Update parseCharacterRanges with dashless

For session set/unset/auto write close flag

In the encryption classes for setting keys

.github/workflows-disabled/ci.yml

@@ -0,0 +1,33 @@
+name: CI
+run-name: ${{ github.actor}} runs CI
+
+on: [push]
+
+jobs:
+  phpstan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      # - uses: php-actions/composer@v6
+        # env:
+        #   COMPOSER_ROOT_VERSION: dev-master
+      - name: "Restore result cache"
+        uses: actions/cache/restore@v4
+        with:
+          path: ./tmp
+          key: "result-cache-v1-${{ matrix.php-version }}-${{ github.run_id }}"
+          restore-keys: |
+            result-cache-v1-${{ matrix.php-version }}-
+      - name: PHPStan Static Analysis
+        uses: php-actions/phpstan@v3
+        with:
+          path: src/
+      - name: "Save result cache"
+        uses: actions/cache/save@v4
+        if: always()
+        with:
+          path: ./tmp
+          key: "result-cache-v1-${{ matrix.php-version }}-${{ github.run_id }}"
+      # - name: PHPunit Tests
+      #   run: |
+      #     vendor/bin/phpunit

.gitignore

@@ -1,2 +1,3 @@
-vendor
+vendor/
 composer.lock
+tools/

.phan/config.php

@@ -54,7 +54,10 @@ return [
 	// Note that the **only** effect of choosing `'5.6'` is to infer that functions removed in php 7.0 exist.
 	// (See `backward_compatibility_checks` for additional options)
 	// Automatically inferred from composer.json requirement for "php" of ">=8.2"
-	'target_php_version' => '8.1',
+	'target_php_version' => '8.2',
+	"minimum_target_php_version" => "8.2",
+	// turn color on (-C)
+	"color_issue_messages_if_supported" => true,
 
 	// If enabled, missing properties will be created when
 	// they are first seen. If false, we'll report an
@@ -370,6 +373,7 @@ return [
 	'file_list' => [
 		"./test/configs/config.php",
 		"./test/configs/config.other.php",
+		"./test/configs/config.path.php",
 		"./test/configs/config.master.php",
 	],
 ];

.phive/phars.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
-  <phar name="phpunit" version="^9.6" installed="9.6.13" location="./tools/phpunit" copy="false"/>
-  <phar name="phpcs" version="^3.7.2" installed="3.7.2" location="./tools/phpcs" copy="false"/>
-  <phar name="phpcbf" version="^3.7.2" installed="3.7.2" location="./tools/phpcbf" copy="false"/>
-  <phar name="psalm" version="^5.15.0" installed="5.15.0" location="./tools/psalm" copy="false"/>
-  <phar name="phpstan" version="^1.10.37" installed="1.10.37" location="./tools/phpstan" copy="false"/>
-  <phar name="phan" version="^5.4.2" installed="5.4.2" location="./tools/phan" copy="false"/>
+  <phar name="phpunit" version="^9.6" installed="9.6.31" location="./tools/phpunit" copy="false"/>
+  <phar name="phpcs" version="^4.0.0" installed="4.0.1" location="./tools/phpcs" copy="false"/>
+  <phar name="phpcbf" version="^4.0.0" installed="4.0.1" location="./tools/phpcbf" copy="false"/>
+  <phar name="psalm" version="^5.15.0" installed="5.26.1" location="./tools/psalm" copy="false"/>
+  <phar name="phpstan" version="^2.0.0" installed="2.1.33" location="./tools/phpstan" copy="false"/>
+  <phar name="phan" version="^5.4.2" installed="5.5.2" location="./tools/phan" copy="false"/>
 </phive>

.shellcheckrc

@@ -0,0 +1,2 @@
+shell=bash
+external-sources=true

ReadMe.md

@@ -9,20 +9,45 @@ For local install only
 - Template\SmartyExtended
 - Admin\EditBase
 
-## Setup from central composer
+## Publish to gitea or gitlab server
 
-Setup from gitea internal servers
+Currently there are only gitea and gitlab supported, github does not have support for composer packages
 
-```sh
-composer config repositories.git.egplusww.jp.Composer composer https://git.egplusww.jp/api/packages/Composer/composer
+`publish\publish.sh go` will run the publish script
+
+All the configuration is done in the `publish\.env.deploy` file
+
+```ini
+# downlaod file name is "Repository name" "-" "version" where
+# version is "vN.N.N"
+GITEA_PUBLISH=1
+GITEA_UPLOAD_FILENAME="Upload-File-Name";
+GITEA_USER=gitea-user
+GITEA_TOKEN=gitea-tokek
+GITEA_URL_DL=https://[gitea.hostname]/[to/package/folder]/archive
+GITEA_URL_PUSH=https://[gitea.hostname]/api/packages/[organization]/composer
+
+GITLAB_PUBLISH=1
+GITLAB_URL=gitlab URl to repository
+GITLAB_DEPLOY_TOKEN=gitlab-token
 ```
 
-Alternative setup composer local zip file repot:
-`composer config repositories.composer.egplusww.jp composer http://composer.egplusww.jp`
+At the moment there is only one gitea or gitlab target setable
+
+## Setup from central composer
+
+Setup from gitea servers
+
+[hostname] is the hostname for your gitea server (or wherever this is published)
+[OrgName] is the organization name where the composer packages are hosted
+
+```sh
+composer config repositories.[hostname].Composer composer https://[hostname]/api/packages/[OrgName]/composer
+```
 
 ## Install package
 
-`composer require egrajp/corelibs-composer-all:^8.0`
+`composer require egrajp/corelibs-composer-all:^9.0`
 
 ## Tests
 

composer.json

@@ -3,6 +3,7 @@
     "description": "CoreLibs in a composer package",
     "type": "library",
     "license": "MIT",
+	"keywords": ["corelib", "logging", "database", "templating", "tools"],
     "autoload": {
         "psr-4": {
             "CoreLibs\\": "src/"
@@ -20,8 +21,13 @@
         "psr/log": "^3.0@dev"
     },
     "require-dev": {
-        "egrajp/smarty-extended": "^4.3",
-        "gullevek/dotenv": "dev-master"
+		"phpstan/phpstan": "^2.0",
+		"phpstan/phpdoc-parser": "^2.0",
+		"phpstan/phpstan-deprecation-rules": "^2.0",
+        "phan/phan": "^5.4",
+        "egrajp/smarty-extended": "^5.4",
+        "gullevek/dotenv": "dev-master",
+        "phpunit/phpunit": "^9"
     },
     "repositories": {
         "git.egplusww.jp.Composer": {

phpcs.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0"?>
+<ruleset name="MyStandard">
+	<description>PSR12 override rules (strict, standard). Switch spaces indent to tab.</description>
+	<arg name="tab-width" value="4"/>
+	<rule ref="PSR1"/>
+	<rule ref="PSR12">
+		<!-- turn off white space check for tab -->
+		<exclude name="Generic.WhiteSpace.DisallowTabIndent"/>
+	</rule>
+	<!-- no space indent, must be tab, 4 is tab iwdth -->
+	<rule ref="Generic.WhiteSpace.DisallowSpaceIndent"/>
+	<rule ref="Generic.WhiteSpace.ScopeIndent">
+		<properties>
+			<property name="indent" value="4"/>
+			<property name="tabIndent" value="true"/>
+		</properties>
+	</rule>
+</ruleset>

phpstan-bootstrap.php

@@ -8,5 +8,6 @@ $_SERVER['HTTP_HOST'] = 'soba.tokyo.tequila.jp';
 // for whatever reason it does not load that from the confing.master.php
 // for includes/admin_header.php
 define('BASE_NAME', '');
+define('CONTENT_PATH', '');
 
 // __END__

phpstan.neon

@@ -2,7 +2,7 @@
 includes:
 	- phpstan-conditional.php
 parameters:
-	tmpDir: /tmp/phpstan-corelibs-composer
+	tmpDir: %currentWorkingDirectory%/tmp/phpstan-corelibs-composer
 	level: 8 # max is now 9
 	checkMissingCallableSignature: true
 	treatPhpDocTypesAsCertain: false
@@ -22,6 +22,9 @@ parameters:
 		# - vendor
 	# ignore errores with
 	ignoreErrors:
+		-
+			message: '#Expression in empty\(\) is not falsy.#'
+			path: %currentWorkingDirectory%/src/Language/GetLocale.php
 		#- # this error is ignore because of the PHP 8.0 to 8.1 change for pg_*, only for 8.0 or lower
 			# message: "#^Parameter \\#1 \\$(result|connection) of function pg_\\w+ expects resource(\\|null)?, object\\|resource(\\|bool)? given\\.$#"
 			# path: %currentWorkingDirectory%/www/lib/CoreLibs/DB/SQL/PgSQL.php

phpunit.xml

@@ -4,4 +4,9 @@
 	verbose="true"
 	bootstrap="test/phpunit/bootstrap.php"
 >
+	<testsuites>
+		<testsuite name="deploy">
+			<directory>test/phpunit</directory>
+		</testsuite>
+	</testsuites>
 </phpunit>

publish/last.published

@@ -1 +1 @@
-9.8.2
+9.38.0

publish/publish.sh

@@ -1,81 +1,134 @@
 #!/usr/bin/env bash
 
-BASE_FOLDER=$(dirname $(readlink -f $0))"/";
+BASE_FOLDER=$(dirname "$(readlink -f "$0")")"/";
 PACKAGE_DOWNLOAD="${BASE_FOLDER}package-download/";
 if [ ! -d "${PACKAGE_DOWNLOAD}" ]; then
-     mkdir "${PACKAGE_DOWNLOAD}";
+	mkdir "${PACKAGE_DOWNLOAD}";
 fi;
 VERSION=$(git tag --list | sort -V | tail -n1 | sed -e "s/^v//");
 file_last_published="${BASE_FOLDER}last.published";
 go_flag="$1";
 
+function gitea_publish
+{
+	_GITEA_PUBLISH="${1}"
+	_GITEA_UPLOAD_FILENAME="${2}"
+	_GITEA_URL_DL="${3}"
+	_GITEA_URL_PUSH="${4}"
+	_GITEA_USER="${5}"
+	_GITEA_TOKEN="${6}"
+	_PACKAGE_DOWNLOAD="${7}"
+	_VERSION="${8}"
+	_file_last_published="${9}"
+
+	if [ -z "${_GITEA_PUBLISH}" ]; then
+		return
+	fi;
+	if [ -n "${_GITEA_UPLOAD_FILENAME}" ] &&
+		[ -n "${_GITEA_URL_DL}" ] && [ -n "${_GITEA_URL_PUSH}" ] &&
+		[ -n "${_GITEA_USER}" ] && [ -n "${_GITEA_TOKEN}" ]; then
+		echo "> Publish ${_GITEA_UPLOAD_FILENAME} with ${_VERSION} to: ${_GITEA_URL_PUSH}";
+		if [ ! -f "${_PACKAGE_DOWNLOAD}${_GITEA_UPLOAD_FILENAME}-v${_VERSION}.zip" ]; then
+			echo "> Download: ${_GITEA_UPLOAD_FILENAME}-v${_VERSION}.zip";
+			curl -LJO \
+					--output-dir "${_PACKAGE_DOWNLOAD}" \
+					"${_GITEA_URL_DL}"/v"${_VERSION}".zip;
+		fi;
+		if [ ! -f "${_PACKAGE_DOWNLOAD}${_GITEA_UPLOAD_FILENAME}-v${_VERSION}.zip" ]; then
+			echo "[!] Package file does not exist for version: ${_VERSION}";
+		else
+			response=$(curl --user "${_GITEA_USER}":"${_GITEA_TOKEN}" \
+					--upload-file "${_PACKAGE_DOWNLOAD}${_GITEA_UPLOAD_FILENAME}-v${_VERSION}.zip" \
+					"${_GITEA_URL_PUSH}"?version="${_VERSION}");
+			status=$(echo "${response}" | jq .errors[].status);
+			message=$(echo "${response}" | jq .errors[].message);
+			if [ -n "${status}" ]; then
+				echo "[!] Error ${status}: ${message}";
+			else
+				echo "> Publish completed";
+			fi;
+			echo "${_VERSION}" > "${_file_last_published}";
+		fi;
+	else
+		echo "[!] Missing either GITEA_UPLOAD_FILENAME, GITEA_URL_DL, GITEA_URL_PUSH, GITEA_USER or GITEA_TOKEN environment variable";
+	fi;
+}
+
+function gitlab_publish
+{
+	_GITLAB_PUBLISH="${1}";
+	_GITLAB_URL="${2}";
+	_GITLAB_DEPLOY_TOKEN="${3}";
+	_PACKAGE_DOWNLOAD="${4}"
+	_VERSION="${5}"
+	_file_last_published="${6}"
+	if [ -z "${_GITLAB_PUBLISH}" ]; then
+		return;
+	fi;
+	if  [ -n "${_GITLAB_URL}" ] && [ -n  "${_GITLAB_DEPLOY_TOKEN}" ]; then
+		curl --data tag=v"${_VERSION}" \
+			--header "Deploy-Token: ${_GITLAB_DEPLOY_TOKEN}" \
+			"${_GITLAB_URL}";
+		curl --data branch=master \
+			--header "Deploy-Token: ${_GITLAB_DEPLOY_TOKEN}" \
+			"${_GITLAB_URL}";
+		echo "${_VERSION}" > "${_file_last_published}";
+	else
+		echo "[!] Missing GITLAB_URL or GITLAB_DEPLOY_TOKEN environment variable";
+	fi;
+}
+
+
 if [ -z "${VERSION}" ]; then
-     echo "Version must be set in the form x.y.z without any leading characters";
-     exit;
+	echo "[!] Version must be set in the form x.y.z without any leading characters";
+	exit;
 fi;
 # compare version, if different or newer, deploy
 if [ -f "${file_last_published}" ]; then
-     LAST_PUBLISHED_VERSION=$(cat ${file_last_published});
-     if $(dpkg --compare-versions "${VERSION}" le "${LAST_PUBLISHED_VERSION}"); then
-          echo "git tag version ${VERSION} is not newer than previous published version ${LAST_PUBLISHED_VERSION}";
-          exit;
-     fi;
+	LAST_PUBLISHED_VERSION=$(cat "${file_last_published}");
+	if dpkg --compare-versions "${VERSION}" le "${LAST_PUBLISHED_VERSION}"; then
+		echo "[!] git tag version ${VERSION} is not newer than previous published version ${LAST_PUBLISHED_VERSION}";
+	fi;
 fi;
 
 # read in the .env.deploy file and we must have
+# for gitea
+# GITEA_PUBLISH: must be set with a value to trigger publish run
 # GITEA_UPLOAD_FILENAME
-# GITLAB_USER
-# GITLAB_TOKEN
-# GITLAB_URL
 # GITEA_USER
 # GITEA_DEPLOY_TOKEN
 # GITEA_URL_DL
 # GITEA_URL_PUSH
+# for gitlab
+# GITLAB_PUBLISH: must be set with a value to trigger publish run
+# GITLAB_USER
+# GITLAB_TOKEN
+# GITLAB_URL
 if [ ! -f "${BASE_FOLDER}.env.deploy" ]; then
-     echo "Deploy enviroment file .env.deploy is missing";
-     exit;
+	echo "[!] Deploy enviroment file .env.deploy is missing";
+	exit;
 fi;
 set -o allexport;
-cd ${BASE_FOLDER};
+cd "${BASE_FOLDER}" || exit
+# shellcheck source=.env.deploy
 source .env.deploy;
-cd -;
+cd - >/dev/null 2>&1 || exit;
 set +o allexport;
 
 if [ "${go_flag}" != "go" ]; then
-     echo "No go flag given";
-     echo "Would publish ${VERSION}";
-     echo "[END]";
-     exit;
+	echo "[!] No go flag given";
+	echo "> Would publish ${VERSION}";
+	echo "[END]";
+	exit;
 fi;
 
 echo "[START]";
 # gitea
-if [ ! -z "${GITEA_UPLOAD_FILENAME}" ] &&
-     [ ! -z "${GITEA_URL_DL}" ] && [ ! -z "${GITEA_URL_PUSH}" ] &&
-     [ ! -z "${GITEA_USER}" ] && [ ! -z "${GITEA_TOKEN}" ]; then
-     curl -LJO \
-          --output-dir "${PACKAGE_DOWNLOAD}" \
-          ${GITEA_URL_DL}/v${VERSION}.zip;
-     curl --user ${GITEA_USER}:${GITEA_TOKEN} \
-          --upload-file "${PACKAGE_DOWNLOAD}${GITEA_UPLOAD_FILENAME}-v${VERSION}.zip" \
-          ${GITEA_URL_PUSH}?version=${VERSION};
-     echo "${VERSION}" > "${file_last_published}";
-else
-     echo "Missing either GITEA_UPLOAD_FILENAME, GITEA_URL_DL, GITEA_URL_PUSH, GITEA_USER or GITEA_TOKEN environment variable";
-fi;
+gitea_publish "${GITEA_PUBLISH}" "${GITEA_UPLOAD_FILENAME}" "${GITEA_URL_DL}" "${GITEA_URL_PUSH}" "${GITEA_USER}" "${GITEA_TOKEN}" "${PACKAGE_DOWNLOAD}" "${VERSION}" "${file_last_published}";
+gitea_publish "${PR_GITEA_PUBLISH}" "${PR_GITEA_UPLOAD_FILENAME}" "${PR_GITEA_URL_DL}" "${PR_GITEA_URL_PUSH}" "${PR_GITEA_USER}" "${PR_GITEA_TOKEN}" "${PACKAGE_DOWNLOAD}" "${VERSION}" "${file_last_published}";
 
 # gitlab
-if [ ! -z "${GITLAB_URL}" ] && [ ! -z  "${GITLAB_DEPLOY_TOKEN}" ]; then
-     curl --data tag=v${VERSION} \
-          --header "Deploy-Token: ${GITLAB_DEPLOY_TOKEN}" \
-          "${GITLAB_URL}";
-     curl --data branch=master \
-          --header "Deploy-Token: ${GITLAB_DEPLOY_TOKEN}" \
-          "${GITLAB_URL}";
-     echo "${VERSION}" > "${file_last_published}";
-else
-     echo "Missing GITLAB_DEPLOY_TOKEN environment variable";
-fi;
+# gitlab_publish "${GITLAB_PUBLISH}" "${GITLAB_URL}" "${GITLAB_DEPLOY_TOKEN}" "${PACKAGE_DOWNLOAD}" "${VERSION}" "${file_last_published}";
 echo "";
 echo "[DONE]";
 

src/ACL/LoginUserStatus.php

@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/12/12
+ * DESCRIPTION:
+ * ACL Login user status bitmap list
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\ACL;
+
+final class LoginUserStatus
+{
+	// lock status bitmap (smallint, 256)
+	/** @var int enabled flag */
+	public const ENABLED = 1;
+	/** @var int deleted flag */
+	public const DELETED = 2;
+	/** @var int locked flag */
+	public const LOCKED = 4;
+	/** @var int banned/suspened flag [not implemented] */
+	public const BANNED = 8;
+	/** @var int password reset in progress [not implemented] */
+	public const RESET = 16;
+	/** @var int confirm/paending, eg waiting for confirm of email [not implemented] */
+	public const CONFIRM = 32;
+	/** @var int strict, on error lock */
+	public const STRICT = 64;
+	/** @var int proected, cannot delete */
+	public const PROTECTED = 128;
+	/** @var int master admin flag */
+	public const ADMIN = 256;
+
+	/**
+	 * Returns an array mapping the numerical role values to their descriptive names
+	 *
+	 * @return array<int|string,string>
+	 */
+	public static function getMap()
+	{
+		return array_flip((new \ReflectionClass(static::class))->getConstants());
+	}
+
+	/**
+	 * Returns the descriptive role names
+	 *
+	 * @return string[]
+	 */
+	public static function getNames()
+	{
+
+		return array_keys((new \ReflectionClass(static::class))->getConstants());
+	}
+
+	/**
+	 * Returns the numerical role values
+	 *
+	 * @return int[]
+	 */
+	public static function getValues()
+	{
+		return array_values((new \ReflectionClass(static::class))->getConstants());
+	}
+}
+
+// __END__

src/Admin/Backend.php

@@ -31,6 +31,9 @@ declare(strict_types=1);
 
 namespace CoreLibs\Admin;
 
+use CoreLibs\Create\Uids;
+use CoreLibs\Convert\Json;
+
 class Backend
 {
 	// page name
@@ -42,7 +45,7 @@ class Backend
 	/** @var array<string> */
 	public array $action_list = [
 		'action', 'action_id', 'action_sub_id', 'action_yes', 'action_flag',
-		'action_menu', 'action_value', 'action_error', 'action_loaded'
+		'action_menu', 'action_value', 'action_type', 'action_error', 'action_loaded'
 	];
 	/** @var string */
 	public string $action;
@@ -61,20 +64,31 @@ class Backend
 	/** @var string */
 	public string $action_value;
 	/** @var string */
+	public string $action_type;
+	/** @var string */
 	public string $action_error;
+
 	// ACL array variable if we want to set acl data from outisde
 	/** @var array<mixed> */
 	public array $acl = [];
 	/** @var int */
 	public int $default_acl;
+
 	// queue key
 	/** @var string */
 	public string $queue_key;
+
+	/** @var array<string> list of allowed types for edit log write */
+	private const WRITE_TYPES = ['BINARY', 'BZIP2', 'LZIP', 'STRING', 'SERIAL', 'JSON'];
+	/** @var array<string> list of available write types for log */
+	private array $write_types_available = [];
+
 	// the current active edit access id
 	/** @var int|null */
 	public int|null $edit_access_id;
 	/** @var string */
 	public string $page_name;
+
 	// error/warning/info messages
 	/** @var array<mixed> */
 	public array $messages = [];
@@ -84,6 +98,7 @@ class Backend
 	public bool $warning = false;
 	/** @var bool */
 	public bool $info = false;
+
 	// internal lang & encoding vars
 	/** @var string */
 	public string $lang_dir = '';
@@ -95,6 +110,7 @@ class Backend
 	public string $domain;
 	/** @var string */
 	public string $encoding;
+
 	/** @var \CoreLibs\Logging\Logging logger */
 	public \CoreLibs\Logging\Logging $log;
 	/** @var \CoreLibs\DB\IO database */
@@ -103,6 +119,7 @@ class Backend
 	public \CoreLibs\Language\L10n $l;
 	/** @var \CoreLibs\Create\Session session class */
 	public \CoreLibs\Create\Session $session;
+
 	// smarty publics [end processing in smarty class]
 	/** @var array<mixed> */
 	public array $DATA = [];
@@ -117,18 +134,20 @@ class Backend
 	/**
 	 * main class constructor
 	 *
-	 * @param \CoreLibs\DB\IO          $db      Database connection class
-	 * @param \CoreLibs\Logging\Logging  $log     Logging class
-	 * @param \CoreLibs\Create\Session $session Session interface class
-	 * @param \CoreLibs\Language\L10n  $l10n    l10n language class
-	 * @param int|null                 $set_default_acl_level Default ACL level
+	 * @param \CoreLibs\DB\IO           $db      Database connection class
+	 * @param \CoreLibs\Logging\Logging $log     Logging class
+	 * @param \CoreLibs\Create\Session  $session Session interface class
+	 * @param \CoreLibs\Language\L10n   $l10n    l10n language class
+	 * @param int|null                  $set_default_acl_level [default=null] Default ACL level
+	 * @param bool                      $init_action_vars [default=true] If the action vars should be set
 	 */
 	public function __construct(
 		\CoreLibs\DB\IO $db,
 		\CoreLibs\Logging\Logging $log,
 		\CoreLibs\Create\Session $session,
 		\CoreLibs\Language\L10n $l10n,
-		?int $set_default_acl_level = null
+		?int $set_default_acl_level = null,
+		bool $init_action_vars = true
 	) {
 		// attach db class
 		$this->db = $db;
@@ -151,9 +170,9 @@ class Backend
 		// set the page name
 		$this->page_name = \CoreLibs\Get\System::getPageName();
 
-		// set the action ids
-		foreach ($this->action_list as $_action) {
-			$this->$_action = $_POST[$_action] ?? '';
+		// NOTE: if any of the "action" vars are used somewhere, it is recommended to NOT set them here
+		if ($init_action_vars) {
+			$this->adbSetActionVars();
 		}
 
 		if ($set_default_acl_level === null) {
@@ -170,9 +189,12 @@ class Backend
 		}
 
 		// queue key
-		if (preg_match("/^(add|save|delete|remove|move|up|down|push_live)$/", $this->action)) {
+		if (preg_match("/^(add|save|delete|remove|move|up|down|push_live)$/", $this->action ?? '')) {
 			$this->queue_key = \CoreLibs\Create\RandomKey::randomKeyGen(3);
 		}
+
+		// check what edit log data write types are allowed
+		$this->adbSetEditLogWriteTypeAvailable();
 	}
 
 	/**
@@ -183,7 +205,26 @@ class Backend
 		// NO OP
 	}
 
-	// PUBLIC METHODS |=================================================>
+	// MARK: PRIVATE METHODS
+
+	/**
+	 * set the write types that are allowed
+	 *
+	 * @return void
+	 */
+	private function adbSetEditLogWriteTypeAvailable()
+	{
+		// check what edit log data write types are allowed
+		$this->write_types_available = self::WRITE_TYPES;
+		if (!function_exists('bzcompress')) {
+			$this->write_types_available = array_diff($this->write_types_available, ['BINARY', 'BZIP']);
+		}
+		if (!function_exists('gzcompress')) {
+			$this->write_types_available = array_diff($this->write_types_available, ['LZIP']);
+		}
+	}
+
+	// MARK: PUBLIC METHODS |=================================================>
 
 	/**
 	 * set internal ACL from login ACL
@@ -195,30 +236,117 @@ class Backend
 		$this->acl = $acl;
 	}
 
+	/**
+	 * Return current set ACL
+	 *
+	 * @return array<mixed>
+	 */
+	public function adbGetAcl(): array
+	{
+		return $this->acl;
+	}
+
+	/**
+	 * Set _POST action vars if needed
+	 *
+	 * @return void
+	 */
+	public function adbSetActionVars()
+	{
+		// set the action ids
+		foreach ($this->action_list as $_action) {
+			$this->$_action = $_POST[$_action] ?? '';
+		}
+	}
+
+	/**
+	 * return all the action data, if not set, sets entry to null
+	 *
+	 * @return array{action:?string,action_id:null|string|int,action_sub_id:null|string|int,action_yes:null|string|int|bool,action_flag:?string,action_menu:?string,action_loaded:?string,action_value:?string,action_type:?string,action_error:?string}
+	 */
+	public function adbGetActionSet(): array
+	{
+		return [
+			'action' => $this->action ?? null,
+			'action_id' => $this->action_id ?? null,
+			'action_sub_id' => $this->action_sub_id ?? null,
+			'action_yes' => $this->action_yes ?? null,
+			'action_flag' => $this->action_flag ?? null,
+			'action_menu' => $this->action_menu ?? null,
+			'action_loaded' => $this->action_loaded ?? null,
+			'action_value' => $this->action_value ?? null,
+			'action_type' => $this->action_type ?? null,
+			'action_error' => $this->action_error ?? null,
+		];
+	}
+
 	/**
 	 * writes all action vars plus other info into edit_log table
 	 *
-	 * @param  string              $event      any kind of event description,
-	 * @param  string|array<mixed> $data       any kind of data related to that event
-	 * @param  string              $write_type write type can bei STRING or BINARY
-	 * @param  string|null         $db_schema  override target schema
+	 * @param  string              $event [default='']        any kind of event description,
+	 * @param  string|array<mixed> $data [default='']         any kind of data related to that event
+	 * @param  string              $write_type [default=JSON] write type can be
+	 *                                                        JSON, STRING/SERIEAL, BINARY/BZIP or ZLIB
+	 * @param  string|null         $db_schema [default=null]  override target schema
 	 * @return void
+	 * @deprecated Use $login->writeLog($event, $data, action_set:$cms->adbGetActionSet(), write_type:$write_type)
 	 */
 	public function adbEditLog(
 		string $event = '',
 		string|array $data = '',
-		string $write_type = 'STRING',
+		string $write_type = 'JSON',
 		?string $db_schema = null
 	): void {
 		$data_binary = '';
 		$data_write = '';
-		if ($write_type == 'BINARY') {
-			$data_binary = $this->db->dbEscapeBytea((string)bzcompress(serialize($data)));
-			$data_write = 'see bzip compressed data_binary field';
+		// check if write type is valid, if not fallback to JSON
+		if (!in_array($write_type, $this->write_types_available)) {
+			$this->log->warning('Write type not in allowed array, fallback to JSON', context:[
+				"write_type" => $write_type,
+				"write_list" => $this->write_types_available,
+			]);
+			$write_type = 'JSON';
 		}
-		if ($write_type == 'STRING') {
-			$data_binary = '';
-			$data_write = $this->db->dbEscapeString(serialize($data));
+		switch ($write_type) {
+			case 'BINARY':
+			case 'BZIP':
+				$data_binary = $this->db->dbEscapeBytea((string)bzcompress(serialize($data)));
+				$data_write = Json::jsonConvertArrayTo([
+					'type' => 'BZIP',
+					'message' => 'see bzip compressed data_binary field'
+				]);
+				break;
+			case 'ZLIB':
+				$data_binary = $this->db->dbEscapeBytea((string)gzcompress(serialize($data)));
+				$data_write = Json::jsonConvertArrayTo([
+					'type' => 'ZLIB',
+					'message' => 'see zlib compressed data_binary field'
+				]);
+				break;
+			case 'STRING':
+			case 'SERIAL':
+				$data_binary = $this->db->dbEscapeBytea(Json::jsonConvertArrayTo([
+					'type' => 'SERIAL',
+					'message' => 'see serial string data field'
+				]));
+				$data_write = serialize($data);
+				break;
+			case 'JSON':
+				$data_binary = $this->db->dbEscapeBytea(Json::jsonConvertArrayTo([
+					'type' => 'JSON',
+					'message' => 'see json string data field'
+				]));
+				// must be converted to array
+				if (!is_array($data)) {
+					$data = ["data" => $data];
+				}
+				$data_write = Json::jsonConvertArrayTo($data);
+				break;
+			default:
+				$this->log->alert('Invalid type for data compression was set', context:[
+					"write_type" => $write_type
+				]);
+				break;
 		}
 
 		/** @var string $DB_SCHEMA check schema */
@@ -228,44 +356,69 @@ class Backend
 		} elseif (!empty($this->db->dbGetSchema())) {
 			$DB_SCHEMA = $this->db->dbGetSchema();
 		}
-		$q = "INSERT INTO " . $DB_SCHEMA . ".edit_log "
-			. "(euid, event_date, event, data, data_binary, page, "
-			. "ip, user_agent, referer, script_name, query_string, server_name, http_host, "
-			. "http_accept, http_accept_charset, http_accept_encoding, session_id, "
-			. "action, action_id, action_yes, action_flag, action_menu, action_loaded, action_value, action_error) "
-			. "VALUES "
-			. "(" . $this->db->dbEscapeString(isset($_SESSION['EUID']) && is_numeric($_SESSION['EUID']) ?
-				$_SESSION['EUID'] :
-				'NULL')
-			. ", "
-			. "NOW(), "
-			. "'" . $this->db->dbEscapeString((string)$event) . "', "
-			. "'" . $data_write . "', "
-			. "'" . $data_binary . "', "
-			. "'" . $this->db->dbEscapeString((string)$this->page_name) . "', "
-			. "'" . ($_SERVER["REMOTE_ADDR"] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_USER_AGENT'] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_REFERER'] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['SCRIPT_FILENAME'] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['QUERY_STRING'] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['SERVER_NAME'] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_HOST'] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_ACCEPT'] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_ACCEPT_CHARSET'] ?? '') . "', "
-			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_ACCEPT_ENCODING'] ?? '') . "', "
-			. ($this->session->getSessionId() === false ?
-				"NULL" :
-				"'" . $this->session->getSessionId() . "'")
-			. ", "
-			. "'" . $this->db->dbEscapeString($this->action) . "', "
-			. "'" . $this->db->dbEscapeString($this->action_id) . "', "
-			. "'" . $this->db->dbEscapeString($this->action_yes) . "', "
-			. "'" . $this->db->dbEscapeString($this->action_flag) . "', "
-			. "'" . $this->db->dbEscapeString($this->action_menu) . "', "
-			. "'" . $this->db->dbEscapeString($this->action_loaded) . "', "
-			. "'" . $this->db->dbEscapeString($this->action_value) . "', "
-			. "'" . $this->db->dbEscapeString($this->action_error) . "')";
-		$this->db->dbExec($q, 'NULL');
+		$q = <<<SQL
+		INSERT INTO {DB_SCHEMA}.edit_log (
+			username, euid, eucuid, eucuuid, event_date, event, error, data, data_binary, page,
+			ip, user_agent, referer, script_name, query_string, server_name, http_host,
+			http_accept, http_accept_charset, http_accept_encoding, session_id,
+			action, action_id, action_sub_id, action_yes, action_flag, action_menu, action_loaded,
+			action_value, action_type, action_error
+		) VALUES (
+			$1, $2, $3, $4, NOW(), $5, $6, $7, $8, $9,
+			$10, $11, $12, $13, $14, $15, $16,
+			$17, $18, $19, $20,
+			$21, $22, $23, $24, $25, $26, $27,
+			$28, $29, $30
+		)
+		SQL;
+		$this->db->dbExecParams(
+			str_replace(
+				['{DB_SCHEMA}'],
+				[$DB_SCHEMA],
+				$q
+			),
+			[
+				// row 1
+				'',
+				is_numeric($this->session->get('EUID')) ?
+					$this->session->get('EUID') : null,
+				is_string($this->session->get('ECUID')) ?
+					$this->session->get('ECUID') : null,
+				!empty($this->session->get('ECUUID')) && Uids::validateUuuidv4($this->session->get('ECUID')) ?
+				$this->session->get('ECUID') : null,
+				(string)$event,
+				'',
+				$data_write,
+				$data_binary,
+				(string)$this->page_name,
+				// row 2
+				$_SERVER["REMOTE_ADDR"] ?? '',
+				$_SERVER['HTTP_USER_AGENT'] ?? '',
+				$_SERVER['HTTP_REFERER'] ?? '',
+				$_SERVER['SCRIPT_FILENAME'] ?? '',
+				$_SERVER['QUERY_STRING'] ?? '',
+				$_SERVER['SERVER_NAME'] ?? '',
+				$_SERVER['HTTP_HOST'] ?? '',
+				// row 3
+				$_SERVER['HTTP_ACCEPT'] ?? '',
+				$_SERVER['HTTP_ACCEPT_CHARSET'] ?? '',
+				$_SERVER['HTTP_ACCEPT_ENCODING'] ?? '',
+				$this->session->getSessionId() !== '' ?
+					$this->session->getSessionId() : null,
+				// row 4
+				$this->action ?? '',
+				$this->action_id ?? '',
+				$this->action_sub_id ?? '',
+				$this->action_yes ?? '',
+				$this->action_flag ?? '',
+				$this->action_menu ?? '',
+				$this->action_loaded ?? '',
+				$this->action_value ?? '',
+				$this->action_type ?? '',
+				$this->action_error ?? '',
+			],
+			'NULL'
+		);
 	}
 
 	/**
@@ -302,10 +455,7 @@ class Backend
 		?string $set_content_path = null,
 		int $flag = 0,
 	): array {
-		if (
-			$set_content_path === null ||
-			!is_string($set_content_path)
-		) {
+		if ($set_content_path === null) {
 			/** @deprecated adbTopMenu missing set_content_path parameter */
 			trigger_error(
 				'Calling adbTopMenu without set_content_path parameter is deprecated',
@@ -318,7 +468,7 @@ class Backend
 		}
 
 		// get the session pages array
-		$PAGES = $_SESSION['PAGES'] ?? null;
+		$PAGES = $this->session->get('PAGES');
 		if (!isset($PAGES) || !is_array($PAGES)) {
 			$PAGES = [];
 		}
@@ -504,9 +654,9 @@ class Backend
 		string $data,
 		string $key_name,
 		string $key_value,
-		string $associate = null,
-		string $file = null,
-		string $db_schema = null,
+		?string $associate = null,
+		?string $file = null,
+		?string $db_schema = null,
 	): void {
 		/** @var string $DB_SCHEMA check schema */
 		$DB_SCHEMA = 'public';
@@ -515,16 +665,30 @@ class Backend
 		} elseif (!empty($this->db->dbGetSchema())) {
 			$DB_SCHEMA = $this->db->dbGetSchema();
 		}
-		$q = "INSERT INTO " . $DB_SCHEMA . ".live_queue ("
-			. "queue_key, key_value, key_name, type, target, data, group_key, action, associate, file"
-			. ") VALUES ("
-			. "'" . $this->db->dbEscapeString($queue_key) . "', '" . $this->db->dbEscapeString($key_value) . "', "
-			. "'" . $this->db->dbEscapeString($key_name) . "', '" . $this->db->dbEscapeString($type) . "', "
-			. "'" . $this->db->dbEscapeString($target) . "', '" . $this->db->dbEscapeString($data) . "', "
-			. "'" . $this->queue_key . "', '" . $this->action . "', "
-			. "'" . $this->db->dbEscapeString((string)$associate) . "', "
-			. "'" . $this->db->dbEscapeString((string)$file) . "')";
-		$this->db->dbExec($q);
+		$q = <<<SQL
+		INSERT INTO {DB_SCHEMA}.live_queue (
+			queue_key, key_value, key_name, type,
+			target, data, group_key, action, associate, file
+		) VALUES (
+			$1, $2, $3, $4,
+			$5, $6, $7, $8, $9, $10
+		)
+		SQL;
+		// $this->db->dbExec($q);
+		$this->db->dbExecParams(
+			str_replace(
+				['{DB_SCHEMA}'],
+				[$DB_SCHEMA],
+				$q
+			),
+			[
+				$queue_key, $key_value,
+				$key_name, $type,
+				$target, $data,
+				$this->queue_key, $this->action,
+				(string)$associate, (string)$file
+			]
+		);
 	}
 
 	/**

src/Admin/EditBase.php

@@ -14,9 +14,6 @@ declare(strict_types=1);
 
 namespace CoreLibs\Admin;
 
-use Exception;
-use SmartyException;
-
 class EditBase
 {
 	/** @var array<mixed> */
@@ -44,7 +41,7 @@ class EditBase
 	 * construct form generator
 	 *
 	 * phpcs:ignore
-	 * @param array{db_name:string,db_user:string,db_pass:string,db_host:string,db_port:int,db_schema:string,db_encoding:string,db_type:string,db_ssl:string,db_convert_type?:string[]} $db_config db config array, mandatory
+	 * @param array{db_name:string,db_user:string,db_pass:string,db_host:string,db_port:int,db_schema:string,db_encoding:string,db_type:string,db_ssl:string,db_convert_type?:string[],db_convert_placeholder?:bool,db_convert_placeholder_target?:string,db_debug_replace_placeholder?:bool} $db_config db config array, mandatory
 	 * @param \CoreLibs\Logging\Logging $log       Logging class, null auto set
 	 * @param \CoreLibs\Language\L10n $l10n      l10n language class, null auto set
 	 * @param \CoreLibs\ACL\Login     $login     login class for ACL settings
@@ -63,6 +60,7 @@ class EditBase
 		// smarty template engine (extended Translation version)
 		$this->smarty = new \CoreLibs\Template\SmartyExtend(
 			$l10n,
+			$log,
 			$options['cache_id'] ?? '',
 			$options['compile_id'] ?? '',
 		);
@@ -78,7 +76,7 @@ class EditBase
 		);
 		if ($this->form->mobile_phone) {
 			echo "I am sorry, but this page cannot be viewed by a mobile phone";
-			exit;
+			exit(1);
 		}
 		// $this->log->debug('POST', $this->log->prAr($_POST));
 	}
@@ -415,8 +413,6 @@ class EditBase
 					$elements[] = $this->form->formCreateElement('lock_until');
 					$elements[] = $this->form->formCreateElement('lock_after');
 					$elements[] = $this->form->formCreateElement('admin');
-					$elements[] = $this->form->formCreateElement('debug');
-					$elements[] = $this->form->formCreateElement('db_debug');
 					$elements[] = $this->form->formCreateElement('edit_language_id');
 					$elements[] = $this->form->formCreateElement('edit_scheme_id');
 					$elements[] = $this->form->formCreateElementListTable('edit_access_user');
@@ -540,8 +536,7 @@ class EditBase
 	 * builds the smarty content and runs smarty display output
 	 *
 	 * @return void
-	 * @throws Exception
-	 * @throws SmartyException
+	 * @throws \Smarty\Exception
 	 */
 	public function editBaseRun(
 		?string $template_dir = null,

src/Basic.php

@@ -90,7 +90,7 @@ class Basic
 	 * @deprecated DO NOT USE Class\Basic anymore. Use dedicated logger and sub classes
 	 */
 	public function __construct(
-		\CoreLibs\Logging\Logging $log = null,
+		?\CoreLibs\Logging\Logging $log = null,
 		?string $session_name = null
 	) {
 		trigger_error('Class \CoreLibs\Basic is deprected', E_USER_DEPRECATED);
@@ -103,11 +103,7 @@ class Basic
 				'VIDEOS', 'DOCUMENTS', 'PDFS', 'BINARIES', 'ICONS', 'UPLOADS', 'CSV', 'JS',
 				'CSS', 'TABLE_ARRAYS', 'SMARTY', 'LANG', 'CACHE', 'TMP', 'LOG', 'TEMPLATES',
 				'TEMPLATES_C', 'DEFAULT_LANG', 'DEFAULT_ENCODING', 'DEFAULT_HASH',
-				'DEFAULT_ACL_LEVEL', 'LOGOUT_TARGET', 'PASSWORD_CHANGE', 'AJAX_REQUEST_TYPE',
-				'USE_PROTOTYPE', 'USE_SCRIPTACULOUS', 'USE_JQUERY', 'PAGE_WIDTH',
-				'MASTER_TEMPLATE_NAME', 'PUBLIC_SCHEMA', 'TEST_SCHEMA', 'DEV_SCHEMA',
-				'LIVE_SCHEMA', 'DB_CONFIG_NAME', 'DB_CONFIG', 'TARGET', 'DEBUG',
-				'SHOW_ALL_ERRORS'
+				'DB_CONFIG_NAME', 'DB_CONFIG', 'TARGET'
 			] as $constant
 		) {
 			if (!defined($constant)) {
@@ -387,7 +383,8 @@ class Basic
 	public function initRandomKeyLength(int $key_length): bool
 	{
 		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Create\RandomKey::setRandomKeyLength()', E_USER_DEPRECATED);
-		return \CoreLibs\Create\RandomKey::setRandomKeyLength($key_length);
+		// no op, we do no longer pre set the random key length
+		return true;
 	}
 
 	/**
@@ -992,10 +989,10 @@ class Basic
 	 * @param  bool   $auto_check      default true, if source encoding is set
 	 *                                 check that the source is actually matching
 	 *                                 to what we sav the source is
-	 * @return string                  encoding converted string
+	 * @return string|false            encoding converted string
 	 * @deprecated use \CoreLibs\Convert\Encoding::convertEncoding() instead
 	 */
-	public static function convertEncoding(string $string, string $to_encoding, string $source_encoding = '', bool $auto_check = true): string
+	public static function convertEncoding(string $string, string $to_encoding, string $source_encoding = '', bool $auto_check = true): string|false
 	{
 		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Convert\Encoding::convertEncoding()', E_USER_DEPRECATED);
 		return \CoreLibs\Convert\Encoding::convertEncoding($string, $to_encoding, $source_encoding, $auto_check);
@@ -1028,8 +1025,12 @@ class Basic
 	 */
 	public function __sha1Short(string $string, bool $use_sha = false): string
 	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Create\Hash::__sha1Short()', E_USER_DEPRECATED);
-		return \CoreLibs\Create\Hash::__sha1Short($string, $use_sha);
+		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Create\Hash::sha1Short() or ::__crc32b()', E_USER_DEPRECATED);
+		if ($use_sha) {
+			return \CoreLibs\Create\Hash::sha1Short($string);
+		} else {
+			return \CoreLibs\Create\Hash::__crc32b($string);
+		}
 	}
 
 	/**
@@ -1044,8 +1045,8 @@ class Basic
 	 */
 	public function __hash(string $string, string $hash_type = 'adler32'): string
 	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Create\Hash::__hash()', E_USER_DEPRECATED);
-		return \CoreLibs\Create\Hash::__hash($string, $hash_type);
+		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Create\Hash::hash()', E_USER_DEPRECATED);
+		return \CoreLibs\Create\Hash::hash($string, $hash_type);
 	}
 
 	// *** HASH FUNCTIONS END
@@ -1139,118 +1140,6 @@ class Basic
 
 	// *** BETTER PASSWORD OPTIONS END ***
 
-	// *** COLORS ***
-	// [!!! DEPRECATED !!!]
-	// moved to \CoreLibs\Convert\Colors
-
-	/**
-	 * converts a hex RGB color to the int numbers
-	 * @param  string            $hexStr         RGB hexstring
-	 * @param  bool              $returnAsString flag to return as string
-	 * @param  string            $seperator      string seperator: default: ","
-	 * @return string|array<mixed>|bool          false on error or array with RGB or
-	 *                                           a string with the seperator
-	 * @deprecated use \CoreLibs\Convert\Colors::hex2rgb() instead
-	 */
-	public static function hex2rgb(string $hexStr, bool $returnAsString = false, string $seperator = ',')
-	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Convert\Colors::hex2rgb()', E_USER_DEPRECATED);
-		return \CoreLibs\Convert\Colors::hex2rgb($hexStr, $returnAsString, $seperator);
-	}
-
-	/**
-	 * converts the rgb values from int data to the valid rgb html hex string
-	 * optional can turn of leading #
-	 * @param  int    $red        red 0-255
-	 * @param  int    $green      green 0-255
-	 * @param  int    $blue       blue 0-255
-	 * @param  bool   $hex_prefix default true, prefix with "#"
-	 * @return string|bool        rgb in hex values with leading # if set
-	 * @deprecated use \CoreLibs\Convert\Colors::rgb2hex() instead
-	 */
-	public static function rgb2hex(int $red, int $green, int $blue, bool $hex_prefix = true)
-	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Convert\Colors::rgb2hex()', E_USER_DEPRECATED);
-		return \CoreLibs\Convert\Colors::rgb2hex($red, $green, $blue, $hex_prefix);
-	}
-
-	/**
-	 * converts and int RGB to the HTML color string in hex format
-	 * @param  int    $red   red 0-255
-	 * @param  int    $green green 0-255
-	 * @param  int    $blue  blue 0-255
-	 * @return string|bool   hex rgb string
-	 * @deprecated use rgb2hex instead
-	 */
-	public static function rgb2html(int $red, int $green, int $blue)
-	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Convert\Colors::rgb2hex()', E_USER_DEPRECATED);
-		// check that each color is between 0 and 255
-		return \CoreLibs\Convert\Colors::rgb2hex($red, $green, $blue, true);
-	}
-
-	/**
-	 * converts RGB to HSB/V values
-	 * returns:
-	 * array with hue (0-360), sat (0-100%), brightness/value (0-100%)
-	 * @param  int   $red   red 0-255
-	 * @param  int   $green green 0-255
-	 * @param  int   $blue  blue 0-255
-	 * @return array<mixed>|bool  Hue, Sat, Brightness/Value
-	 * @deprecated use \CoreLibs\Convert\Colors::rgb2hsb() instead
-	 */
-	public static function rgb2hsb(int $red, int $green, int $blue)
-	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Convert\Colors::rgb2hsb()', E_USER_DEPRECATED);
-		return \CoreLibs\Convert\Colors::rgb2hsb($red, $green, $blue);
-	}
-
-	/**
-	 * converts HSB/V to RGB values RGB is full INT
-	 * @param  int    $H hue 0-360
-	 * @param  float  $S saturation 0-1 (float)
-	 * @param  float  $V brightness/value 0-1 (float)
-	 * @return array<mixed>|bool  0 red/1 green/2 blue array
-	 * @deprecated use \CoreLibs\Convert\Colors::hsb2rgb() instead
-	 */
-	public static function hsb2rgb(int $H, float $S, float $V)
-	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Convert\Colors::hsb2rgb()', E_USER_DEPRECATED);
-		return \CoreLibs\Convert\Colors::hsb2rgb($H, (int)round($S * 100), (int)round($V * 100));
-	}
-
-	/**
-	 * converts a RGB (0-255) to HSL
-	 * return:
-	 * array with hue (0-360), saturation (0-100%) and luminance (0-100%)
-	 * @param  int    $r red 0-255
-	 * @param  int    $g green 0-255
-	 * @param  int    $b blue 0-255
-	 * @return array<mixed>|bool  hue/sat/luminance
-	 * @deprecated use \CoreLibs\Convert\Colors::rgb2hsl() instead
-	 */
-	public static function rgb2hsl(int $r, int $g, int $b)
-	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Convert\Colors::rgb2hsl()', E_USER_DEPRECATED);
-		return \CoreLibs\Convert\Colors::rgb2hsb($r, $g, $b);
-	}
-
-	/**
-	 * converts an HSL to RGB
-	 * @param  int    $h hue: 0-360 (degrees)
-	 * @param  float  $s saturation: 0-1
-	 * @param  float  $l luminance: 0-1
-	 * @return array<mixed>|bool  red/blue/green 0-255 each
-	 * @deprecated use \CoreLibs\Convert\Colors::hsl2rgb() instead
-	 */
-	public static function hsl2rgb(int $h, float $s, float $l)
-	{
-		trigger_error('Method ' . __METHOD__ . ' is deprecated, use \CoreLibs\Convert\Colors::hsl2rgb()', E_USER_DEPRECATED);
-		return \CoreLibs\Convert\Colors::hsl2rgb($h, $s * 100, $l * 100);
-	}
-
-	// *** COLORS END ***
-
 	// *** EMAIL FUNCTIONS ***
 	// [!!! DEPRECATED !!!]
 	// Moved to \CoreLibs\Check\Email

src/Check/Colors.php

@@ -119,6 +119,13 @@ class Colors
 
 	/**
 	 * check if html/css color string is valid
+	 *
+	 * TODO: update check for correct validate values
+	 * - space instead of ","
+	 * - / opcatiy checks
+	 * - loose numeric values
+	 * - lab/lch,oklab/oklch validation too
+	 *
 	 * @param string $color A color string of any format
 	 * @param int $flags    defaults to ALL, else use | to combined from
 	 *                      HEX_RGB, HEX_RGBA, RGB, RGBA, HSL, HSLA
@@ -168,9 +175,9 @@ class Colors
 		if (preg_match("/$regex/", $color)) {
 			// if valid regex, we now need to check if the content is actually valid
 			// only for rgb/hsl type
-			/** @var int|false */
+			/** @var int<0, max>|false */
 			$rgb_flag = strpos($color, 'rgb');
-			/** @var int|false */
+			/** @var int<0, max>|false */
 			$hsl_flag = strpos($color, 'hsl');
 			// if both not match, return true
 			if (

src/Check/Email.php

@@ -10,12 +10,16 @@ class Email
 	/** @var array<int,string> */
 	private static array $email_regex_check = [
 		0 => "^[A-Za-z0-9!#$%&'*+\-\/=?^_`{|}~][A-Za-z0-9!#$%:\(\)&'*+\-\/=?^_`{|}~\.]{0,63}@"
-			. "[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]{1,})*\.([a-zA-Z]{2,}){1}$", // MASTER
+			// . "[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]{1,})*\.([a-zA-Z]{2,}){1}$", // MASTER
+			// fixed pattern matching for domain
+			. "(?!-)[A-Za-z0-9-]{1,63}(?<!-)(?:\.[A-Za-z0-9-]{1,63}(?<!-))*\.[a-zA-Z]{2,6}$", // MASTER
 		1 => "@(.*)@(.*)", // double @
 		2 => "^[A-Za-z0-9!#$%&'*+\-\/=?^_`{|}~][A-Za-z0-9!#$%:\(\)&'*+\-\/=?^_`{|}~\.]{0,63}@", // wrong part before @
-		3 => "@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]{1,})*\.([a-zA-Z]{2,}){1}$", // wrong part after @
-		4 => "@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]{1,})*\.", // wrong domain name part
-		5 => "\.([a-zA-Z]{2,6}){1}$", // wrong top level part
+		// 3 => "@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]{1,})*\.([a-zA-Z]{2,}){1}$", // wrong part after @
+		3 => "@(?!-)[A-Za-z0-9-]{1,63}(?<!-)(?:\.[A-Za-z0-9-]{1,63}(?<!-))*\.[a-zA-Z]{2,6}$", // wrong part after @
+		// 4 => "@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]{1,})*\.", // wrong domain name part
+		4 => "@(?!-)[A-Za-z0-9-]{1,63}(?<!-)(?:\.[A-Za-z0-9-]{1,63}(?<!-))*\.", // wrong domain name part
+		5 => "\.[a-zA-Z]{2,6}$", // wrong top level part
 		6 => "@(.*)\.{2,}", // double .. in domain name part
 		7 => "@.*\.$" // ends with a dot, top level, domain missing
 	];

src/Check/Encoding.php

@@ -56,7 +56,11 @@ class Encoding
 	{
 		// return mb_substitute_character();
 		if ($return_substitute_func === true) {
-			return mb_substitute_character();
+			// if false abort with error
+			if (($return = mb_substitute_character()) === false) {
+				return self::$mb_error_char;
+			}
+			return $return;
 		} else {
 			return self::$mb_error_char;
 		}
@@ -88,7 +92,13 @@ class Encoding
 	): array|false {
 		// convert to target encoding and convert back
 		$temp = mb_convert_encoding($string, $to_encoding, $from_encoding);
+		if ($temp === false) {
+			return false;
+		}
 		$compare = mb_convert_encoding($temp, $from_encoding, $to_encoding);
+		if ($compare === false) {
+			return false;
+		}
 		// if string does not match anymore we have a convert problem
 		if ($string == $compare) {
 			return false;
@@ -104,7 +114,7 @@ class Encoding
 				(($char != $r_char && (!self::$mb_error_char ||
 				in_array(self::$mb_error_char, ['none', 'long', 'entity']))) ||
 				($char != $r_char && $r_char == self::$mb_error_char && self::$mb_error_char)) &&
-				ord($char) != 194
+				ord($char[0]) != 194
 			) {
 				$failed[] = $char;
 			}

src/Check/File.php

@@ -51,6 +51,23 @@ class File
 		// return lines in file
 		return $lines;
 	}
+
+	/**
+	 * get the mime type of a file via finfo
+	 * if file not found, throws exception
+	 * else returns '' for any other finfo read problem
+	 *
+	 * @param  string $read_file File to read, relative or absolute path
+	 * @return string
+	 */
+	public static function getMimeType(string $read_file): string
+	{
+		$finfo = new \finfo(FILEINFO_MIME_TYPE);
+		if (!is_file($read_file)) {
+			throw new \UnexpectedValueException('[getMimeType] File not found: ' . $read_file);
+		}
+		return $finfo->file($read_file) ?: '';
+	}
 }
 
 // __END__

src/Combined/ArrayHandler.php

@@ -10,6 +10,8 @@ namespace CoreLibs\Combined;
 
 class ArrayHandler
 {
+	public const string DATA_SEPARATOR = ':';
+
 	/**
 	 * searches key = value in an array / array
 	 * only returns the first one found
@@ -148,28 +150,32 @@ class ArrayHandler
 	 * array search simple. looks for key, value combination, if found, returns true
 	 * on default does not strict check, so string '4' will match int 4 and vica versa
 	 *
-	 * @param  array<mixed>    $array search in as array
-	 * @param  string|int      $key    key (key to search in)
-	 * @param  string|int|bool $value  value (what to find)
-	 * @param  bool            $strict [false], if set to true, will strict check key/value
-	 * @return bool            true on found, false on not found
+	 * @param  array<mixed>           $in_array search in as array
+	 * @param  string|int             $key   key (key to search in)
+	 * @param  string|int|bool|array<string|int|bool> $value  values list (what to find)
+	 * @param  bool                   $strict [false], if set to true, will strict check key/value
+	 * @return bool                   true on found, false on not found
 	 */
 	public static function arraySearchSimple(
-		array $array,
+		array $in_array,
 		string|int $key,
-		string|int|bool $value,
+		string|int|bool|array $value,
 		bool $strict = false
 	): bool {
-		foreach ($array as $_key => $_value) {
+		// convert to array
+		if (!is_array($value)) {
+			$value = [$value];
+		}
+		foreach ($in_array as $_key => $_value) {
 			// if value is an array, we search
 			if (is_array($_value)) {
 				// call recursive, and return result if it is true, else continue
 				if (($result = self::arraySearchSimple($_value, $key, $value, $strict)) !== false) {
 					return $result;
 				}
-			} elseif ($strict === false && $_key == $key && $_value == $value) {
+			} elseif ($strict === false && $_key == $key && in_array($_value, $value)) {
 				return true;
-			} elseif ($strict === true && $_key === $key && $_value === $value) {
+			} elseif ($strict === true && $_key === $key && in_array($_value, $value, true)) {
 				return true;
 			}
 		}
@@ -183,19 +189,19 @@ class ArrayHandler
 	 * If prefix is turned on each found group will be prefixed with the
 	 * search key
 	 *
-	 * @param  array<mixed> $array   array to search in
+	 * @param  array<mixed> $in_array   array to search in
 	 * @param  array<mixed> $needles keys to find in array
 	 * @param  bool         $flat    [false] Turn on flat output
 	 * @param  bool         $prefix  [false] Prefix found with needle key
 	 * @return array<mixed>          Found values
 	 */
 	public static function arraySearchKey(
-		array $array,
+		array $in_array,
 		array $needles,
 		bool $flat = false,
 		bool $prefix = false
 	): array {
-		$iterator  = new \RecursiveArrayIterator($array);
+		$iterator  = new \RecursiveArrayIterator($in_array);
 		$recursive = new \RecursiveIteratorIterator(
 			$iterator,
 			\RecursiveIteratorIterator::SELF_FIRST
@@ -236,6 +242,208 @@ class ArrayHandler
 		return $hit_list;
 	}
 
+	/**
+	 * Search in an array for value with or without key and
+	 * check in the same array block for the required key
+	 * If not found return an array with the array block there the required key is missing,
+	 * the path as string with seperator block set and the missing key entry
+	 *
+	 * @param  array<mixed>          $in_array
+	 * @param  string|int|float|bool $search_value
+	 * @param  string|array<string>  $required_key
+	 * @param  ?string               $search_key [null]
+	 * @param  string                $path_separator [DATA_SEPARATOR]
+	 * @param  string                $current_path
+	 * @return array<array{content?:array<mixed>,path?:string,missing_key?:array<string>}>
+	 */
+	public static function findArraysMissingKey(
+		array $in_array,
+		string|int|float|bool $search_value,
+		string|array $required_key,
+		?string $search_key = null,
+		string $path_separator = self::DATA_SEPARATOR,
+		string $current_path = ''
+	): array {
+		$results = [];
+		foreach ($in_array as $key => $value) {
+			$path = $current_path ? $current_path . $path_separator . $key : $key;
+
+			if (is_array($value)) {
+				// Check if this array contains the search value
+				// either any value match or with key
+				if ($search_key === null) {
+					$containsValue = in_array($search_value, $value, true);
+				} else {
+					$containsValue = array_key_exists($search_key, $value) && $value[$search_key] === $search_value;
+				}
+
+				// If it contains the value but doesn't have the required key
+				if (
+					$containsValue &&
+					(
+						(
+							is_string($required_key) &&
+							!array_key_exists($required_key, $value)
+						) || (
+							is_array($required_key) &&
+							count(array_intersect($required_key, array_keys($value))) !== count($required_key)
+						)
+					)
+				) {
+					$results[] = [
+						'content' => $value,
+						'path' => $path,
+						'missing_key' => is_array($required_key) ?
+							array_values(array_diff($required_key, array_keys($value))) :
+							[$required_key]
+					];
+				}
+
+				// Recursively search nested arrays
+				$results = array_merge(
+					$results,
+					self::findArraysMissingKey(
+						$value,
+						$search_value,
+						$required_key,
+						$search_key,
+						$path_separator,
+						$path
+					)
+				);
+			}
+		}
+
+		return $results;
+	}
+
+	/**
+	 * Find key => value entry and return set with key for all matching
+	 * Can search recursively through nested arrays if recursive flag is set
+	 *
+	 * @param  array<mixed> $in_array
+	 * @param  string $lookup
+	 * @param  int|string|float|bool $search
+	 * @param  bool $strict [false]
+	 * @param  bool $case_insensitive [false]
+	 * @param  bool $recursive [false]
+	 * @param  bool $flat_result [true] If set to false and recursive is on the result is a nested array
+	 * @param  string $flat_separator [DATA_SEPARATOR] if flat result is true, can be any string
+	 * @return array<mixed>
+	 */
+	public static function selectArrayFromOption(
+		array $in_array,
+		string $lookup,
+		int|string|float|bool $search,
+		bool $strict = false,
+		bool $case_insensitive = false,
+		bool $recursive = false,
+		bool $flat_result = true,
+		string $flat_separator = self::DATA_SEPARATOR
+	): array {
+		// skip on empty
+		if ($in_array == []) {
+			return [];
+		}
+		// init return result
+		$result = [];
+		// case sensitive convert if string
+		if ($case_insensitive && is_string($search)) {
+			$search = strtolower($search);
+		}
+
+		foreach ($in_array as $key => $value) {
+			// Handle current level search
+			if (isset($value[$lookup])) {
+				$compareValue = $value[$lookup];
+
+				if ($case_insensitive && is_string($compareValue)) {
+					$compareValue = strtolower($compareValue);
+				}
+
+				if (
+					($strict && $search === $compareValue) ||
+					(!$strict && $search == $compareValue)
+				) {
+					$result[$key] = $value;
+				}
+			}
+			// Handle recursive search if flag is set
+			if ($recursive && is_array($value)) {
+				$recursiveResults = self::selectArrayFromOption(
+					$value,
+					$lookup,
+					$search,
+					$strict,
+					$case_insensitive,
+					true,
+					$flat_result,
+					$flat_separator
+				);
+
+				// Merge recursive results with current results
+				// Preserve keys by using array_merge with string keys or + operator
+				foreach ($recursiveResults as $recKey => $recValue) {
+					if ($flat_result) {
+						$result[$key . $flat_separator . $recKey] = $recValue;
+					} else {
+						$result[$key][$recKey] = $recValue;
+					}
+				}
+			}
+		}
+
+		return $result;
+	}
+
+	/**
+	 * main wrapper function for next/prev key
+	 *
+	 * @param  array<mixed>    $in_array array to search in
+	 * @param  int|string      $key   key for next/prev
+	 * @param  bool            $next  [=true] if to search next or prev
+	 * @return int|string|null        Next/prev key or null for end/first
+	 */
+	private static function arrayGetKey(array $in_array, int|string $key, bool $next = true): int|string|null
+	{
+		$keys = array_keys($in_array);
+		if (($position = array_search($key, $keys, true)) === false) {
+			return null;
+		}
+		$next_position = $next ? $position + 1 : $position - 1;
+
+		if (!isset($keys[$next_position])) {
+			return null;
+		}
+		return $keys[$next_position];
+	}
+
+	/**
+	 * Get previous array key from an array
+	 * null on not found
+	 *
+	 * @param  array<mixed>    $in_array
+	 * @param  int|string      $key
+	 * @return int|string|null        Next key, or null for not found
+	 */
+	public static function arrayGetPrevKey(array $in_array, int|string $key): int|string|null
+	{
+		return self::arrayGetKey($in_array, $key, false);
+	}
+
+	/**
+	 * Get next array key from an array
+	 * null on not found
+	 *
+	 * @param  array<mixed>    $in_array
+	 * @param  int|string      $key
+	 * @return int|string|null        Next key, or null for not found
+	 */
+	public static function arrayGetNextKey(array $in_array, int|string $key): int|string|null
+	{
+		return self::arrayGetKey($in_array, $key, true);
+	}
+
 	/**
 	 * correctly recursive merges as an array as array_merge_recursive
 	 * just glues things together
@@ -255,27 +463,27 @@ class ArrayHandler
 		}
 		// default key is not string
 		$key_is_string = false;
-		$arrays = func_get_args();
+		$in_arrays = func_get_args();
 		// if last is not array, then assume it is trigger for key is always string
-		if (!is_array(end($arrays))) {
-			if (array_pop($arrays)) {
+		if (!is_array(end($in_arrays))) {
+			if (array_pop($in_arrays)) {
 				$key_is_string = true;
 			}
 		}
 		// check that arrays count is at least two, else we don't have enough to do anything
-		if (count($arrays) < 2) {
+		if (count($in_arrays) < 2) {
 			throw new \ArgumentCountError(__FUNCTION__ . ' needs two or more array arguments');
 		}
 		$merged = [];
-		while ($arrays) {
-			$array = array_shift($arrays);
-			if (!is_array($array)) {
+		while ($in_arrays) {
+			$in_array = array_shift($in_arrays);
+			if (!is_array($in_array)) {
 				throw new \TypeError(__FUNCTION__ . ' encountered a non array argument');
 			}
-			if (!$array) {
+			if (!$in_array) {
 				continue;
 			}
-			foreach ($array as $key => $value) {
+			foreach ($in_array as $key => $value) {
 				// if string or if key is assumed to be string do key match
 				// else add new entry
 				if (is_string($key) || $key_is_string === false) {
@@ -381,14 +589,14 @@ class ArrayHandler
 	 * converts multi dimensional array to a flat array
 	 * does NOT preserve keys
 	 *
-	 * @param  array<mixed> $array multi dimensionial array
+	 * @param  array<mixed> $in_array multi dimensionial array
 	 * @return array<mixed>        flattened array
 	 */
-	public static function flattenArray(array $array): array
+	public static function flattenArray(array $in_array): array
 	{
 		$return = [];
 		array_walk_recursive(
-			$array,
+			$in_array,
 			function ($value) use (&$return) {
 				$return[] = $value;
 			}
@@ -399,13 +607,13 @@ class ArrayHandler
 	/**
 	 * will loop through an array recursivly and write the array keys back
 	 *
-	 * @param  array<mixed> $array  multidemnsional array to flatten
+	 * @param  array<mixed> $in_array  multidemnsional array to flatten
 	 * @param  array<mixed> $return recoursive pass on array of keys
 	 * @return array<mixed>         flattened keys array
 	 */
-	public static function flattenArrayKey(array $array, array $return = []): array
+	public static function flattenArrayKey(array $in_array, array $return = []): array
 	{
-		foreach ($array as $key => $sub) {
+		foreach ($in_array as $key => $sub) {
 			$return[] = $key;
 			if (is_array($sub) && count($sub) > 0) {
 				$return = self::flattenArrayKey($sub, $return);
@@ -418,14 +626,14 @@ class ArrayHandler
 	 * as above will flatten an array, but in this case only the outmost
 	 * leave nodes, all other keyswill be skipped
 	 *
-	 * @param  array<mixed> $array multidemnsional array to flatten
+	 * @param  array<mixed> $in_array multidemnsional array to flatten
 	 * @return array<mixed>        flattened keys array
 	 */
-	public static function flattenArrayKeyLeavesOnly(array $array): array
+	public static function flattenArrayKeyLeavesOnly(array $in_array): array
 	{
 		$return = [];
 		array_walk_recursive(
-			$array,
+			$in_array,
 			function ($value, $key) use (&$return) {
 				$return[] = $key;
 			}
@@ -437,14 +645,14 @@ class ArrayHandler
 	 * searches for key -> value in an array tree and writes the value one level up
 	 * this will remove this leaf will all other values
 	 *
-	 * @param  array<mixed> $array  nested array
+	 * @param  array<mixed> $in_array  nested array
 	 * @param  string|int   $search key to find that has no sub leaf
 	 *                              and will be pushed up
 	 * @return array<mixed>         modified, flattened array
 	 */
-	public static function arrayFlatForKey(array $array, string|int $search): array
+	public static function arrayFlatForKey(array $in_array, string|int $search): array
 	{
-		foreach ($array as $key => $value) {
+		foreach ($in_array as $key => $value) {
 			// if it is not an array do just nothing
 			if (!is_array($value)) {
 				continue;
@@ -452,14 +660,156 @@ class ArrayHandler
 			// probe it has search key
 			if (isset($value[$search])) {
 				// set as current
-				$array[$key] = $value[$search];
+				$in_array[$key] = $value[$search];
 			} else {
 				// call up next node down
-				// $array[$key] = call_user_func(__METHOD__, $value, $search);
-				$array[$key] = self::arrayFlatForKey($value, $search);
+				// $in_array[$key] = call_user_func(__METHOD__, $value, $search);
+				$in_array[$key] = self::arrayFlatForKey($value, $search);
 			}
 		}
-		return $array;
+		return $in_array;
+	}
+
+	/**
+	 * Remove entries from a simple array, will not keep key order
+	 *
+	 * any array content is allowed
+	 *
+	 * https://stackoverflow.com/a/369608
+	 *
+	 * @param  array<mixed> $in_array  Array where elements are located
+	 * @param  array<mixed> $remove Elements to remove
+	 * @return array<mixed>         Array with $remove elements removed
+	 */
+	public static function arrayRemoveEntry(array $in_array, array $remove): array
+	{
+		return array_diff($in_array, $remove);
+	}
+
+	/**
+	 * From the array with key -> mixed values,
+	 * return only the entries where the key matches the key given in the key list parameter
+	 *
+	 * key list is a list[string]
+	 * if key list is empty, return array as is
+	 *
+	 * @param  array<string,mixed> $in_array
+	 * @param  array<string>       $key_list
+	 * @return array<string,mixed>
+	 */
+	public static function arrayReturnMatchingKeyOnly(
+		array $in_array,
+		array $key_list
+	): array {
+		// on empty return as is
+		if (empty($key_list)) {
+			return $in_array;
+		}
+		return array_filter(
+			$in_array,
+			fn($key) => in_array($key, $key_list),
+			ARRAY_FILTER_USE_KEY
+		);
+	}
+
+	/**
+	 * Modifieds the key of an array with a prefix and/or suffix and
+	 * returns it with the original value
+	 * does not change order in array
+	 *
+	 * @param  array<string|int,mixed> $in_array
+	 * @param  string                  $key_mod_prefix [''] key prefix string
+	 * @param  string                  $key_mod_suffix [''] key suffix string
+	 * @return array<string|int,mixed>
+	 */
+	public static function arrayModifyKey(
+		array $in_array,
+		string $key_mod_prefix = '',
+		string $key_mod_suffix = ''
+	): array {
+		// skip if array is empty or neither prefix or suffix are set
+		if (
+			$in_array == [] ||
+			($key_mod_prefix == '' && $key_mod_suffix == '')
+		) {
+			return $in_array;
+		}
+		return array_combine(
+			array_map(
+				fn($key) => $key_mod_prefix . $key . $key_mod_suffix,
+				array_keys($in_array)
+			),
+			array_values($in_array)
+		);
+	}
+
+	/**
+	 * sort array and return in same call
+	 * sort ascending or descending with or without lower case convert
+	 * value only, will loose key connections unless preserve_keys is set to true
+	 *
+	 * @param  array<mixed> $in_array                    Array to sort by values
+	 * @param  bool         $case_insensitive [false] Sort case insensitive
+	 * @param  bool         $reverse [false]          Reverse sort
+	 * @param  bool         $maintain_keys [false]    Maintain keys
+	 * @param  int          $flag [SORT_REGULAR]      Sort flags
+	 * @return array<mixed>
+	 */
+	public static function sortArray(
+		array $in_array,
+		bool $case_insensitive = false,
+		bool $reverse = false,
+		bool $maintain_keys = false,
+		int $flag = SORT_REGULAR
+	): array {
+		$fk_sort_lower_case = function (string $a, string $b): int {
+			return strtolower($a) <=> strtolower($b);
+		};
+		$fk_sort_lower_case_reverse = function (string $a, string $b): int {
+			return strtolower($b) <=> strtolower($a);
+		};
+		$case_insensitive ? (
+			$maintain_keys ?
+				(uasort($in_array, $reverse ? $fk_sort_lower_case_reverse : $fk_sort_lower_case)) :
+				(usort($in_array, $reverse ? $fk_sort_lower_case_reverse : $fk_sort_lower_case))
+		) :
+		(
+			$maintain_keys ?
+				($reverse ? arsort($in_array, $flag) : asort($in_array, $flag)) :
+				($reverse ? rsort($in_array, $flag) : sort($in_array, $flag))
+		);
+		return $in_array;
+	}
+
+	/**
+	 * sort by key ascending or descending and return
+	 *
+	 * @param  array<mixed> $in_array                    Array to srt
+	 * @param  bool         $case_insensitive [false] Sort keys case insenstive
+	 * @param  bool         $reverse [false]          Reverse key sort
+	 * @return array<mixed>
+	 */
+	public static function ksortArray(array $in_array, bool $case_insensitive = false, bool $reverse = false): array
+	{
+		$fk_sort_lower_case = function (string $a, string $b): int {
+			return strtolower($a) <=> strtolower($b);
+		};
+		$fk_sort_lower_case_reverse = function (string $a, string $b): int {
+			return strtolower($b) <=> strtolower($a);
+		};
+		$fk_sort = function (string $a, string $b): int {
+			return $a <=> $b;
+		};
+		$fk_sort_reverse = function (string $a, string $b): int {
+			return $b <=> $a;
+		};
+		uksort(
+			$in_array,
+			$case_insensitive ?
+				($reverse ? $fk_sort_lower_case_reverse : $fk_sort_lower_case) :
+				($reverse ? $fk_sort_reverse : $fk_sort)
+		);
+		return $in_array;
 	}
 }
 

src/Combined/DateTime.php

@@ -108,7 +108,12 @@ class DateTime
 		if (preg_match("/(h|m|s|ms)/", (string)$timestamp)) {
 			return (string)$timestamp;
 		}
-		list($timestamp, $ms) = array_pad(explode('.', (string)round((float)$timestamp, 4)), 2, null);
+		// split to 6 (nano seconds)
+		list($timestamp, $ms) = array_pad(explode('.', (string)round((float)$timestamp, 6)), 2, null);
+		// if micro seconds is on and we have none, set to 0
+		if ($show_micro && $ms === null) {
+			$ms = 0;
+		}
 		// if negative remember
 		$negative = false;
 		if ((int)$timestamp < 0) {
@@ -120,6 +125,10 @@ class DateTime
 		$time_string = '';
 		// if timestamp is zero, return zero string
 		if ($timestamp == 0) {
+			// if no seconds and we have no microseconds either, show no micro seconds
+			if ($ms == 0) {
+				$ms = null;
+			}
 			$time_string = '0s';
 		} else {
 			for ($i = 0, $iMax = count($timegroups); $i < $iMax; $i++) {
@@ -133,11 +142,8 @@ class DateTime
 		}
 		// only add ms if we have an ms value
 		if ($ms !== null) {
-			// if we have ms and it has leading zeros, remove them, but only if it is nut just 0
-			$ms = preg_replace("/^0+(\d+)$/", '${1}', $ms);
-			if (!is_string($ms) || empty($ms)) {
-				$ms = '0';
-			}
+			// prefix the milliseoncds with 0. and round it max 3 digits and then convert to int
+			$ms = round((float)('0.' . $ms), 3) * 1000;
 			// add ms if there
 			if ($show_micro) {
 				$time_string .= ' ' . $ms . 'ms';
@@ -151,6 +157,240 @@ class DateTime
 		return (string)$time_string;
 	}
 
+	/**
+	 * update timeStringFormat with year and month support
+	 *
+	 * The following flags have to be set to be timeStringFormat compatible.
+	 * Not that on seconds overflow this method will throw an exception, timeStringFormat returned -1s
+	 * show_only_days: true,
+	 * skip_zero: false,
+	 * skip_last_zero: false,
+	 * truncate_nanoseconds: true,
+	 * truncate_zero_seconds_if_microseconds: false
+	 *
+	 * @param  int|float $seconds                        Seconds to convert, maxium 6 decimals,
+	 *                                                   else \UnexpectedValueException will be thrown
+	 *                                                   if days too large or years too large \LengthException is thrown
+	 * @param  string    $truncate_after [='']           Truncate after which time name, will not round, hard end
+	 *                                                   values are parts names or interval short names (y, d, f, ...)
+	 *                                                   if illegal value \UnexpectedValueException is thrown
+	 * @param  bool      $natural_seperator [=false]     use ',' and 'and', if off use space
+	 * @param  bool      $name_space_seperator [=false]  add a space between the number and the time name
+	 * @param  bool      $show_microseconds [=true]      show microseconds
+	 * @param  bool      $short_time_name [=true]        use the short time names (eg s instead of seconds)
+	 * @param  bool      $skip_last_zero [=true]         skip all trailing zero values, eg 5m 0s => 5m
+	 * @param  bool      $skip_zero [=true]              do not show zero values anywhere, eg 1h 0m 20s => 1h 20s
+	 * @param  bool      $show_only_days [=false]        do not show years or months, show only days
+	 *                                                   if truncate after is set to year or month
+	 *                                                   throws \UnexpectedValueException
+	 * @param  bool      $auto_fix_microseconds [=false] if the micro seconds decimals are more than 6, round them
+	 *                                                   on defaul throw \UnexpectedValueException
+	 * @param  bool      $truncate_nanoseconds [=false]  if microseconds decimals >3 then normal we show 123.4ms
+	 *                                                   cut the .4 is set to true
+	 * @param  bool      $truncate_zero_seconds_if_microseconds [=true] if we have 0.123 seconds then if true no seconds
+	 *                                                   will be shown
+	 * @return string
+	 * @throws \UnexpectedValueException if seconds has more than 6 decimals
+	 *                                   if truncate has an illegal value
+	 *                                   if truncate is set to year or month and show_only_days is turned on
+	 * @throws \LengthException          if seconds is too large and show_days_only is selected and days is negetive
+	 *                                   or if years is negativ
+	 */
+	public static function intervalStringFormat(
+		int|float $seconds,
+		string $truncate_after = '',
+		bool $natural_seperator = false,
+		bool $name_space_seperator = false,
+		bool $show_microseconds = true,
+		bool $short_time_name = true,
+		bool $skip_last_zero = true,
+		bool $skip_zero = true,
+		bool $show_only_days = false,
+		bool $auto_fix_microseconds = false,
+		bool $truncate_nanoseconds = false,
+		bool $truncate_zero_seconds_if_microseconds = true,
+	): string {
+		// auto fix long seconds, else \UnexpectedValueException will be thrown on error
+		// check if we have float and -> round to 6
+		if ($auto_fix_microseconds === true && is_float($seconds)) {
+			$seconds = round($seconds, 6);
+		}
+		// flag negative + set abs
+		$negative = $seconds < 0 ? '-' : '';
+		$seconds = abs($seconds);
+		// create base time
+		$date_now = new \DateTime("@0");
+		try {
+			$date_seconds = new \DateTime("@$seconds");
+		} catch (\Exception $e) {
+			throw new \UnexpectedValueException(
+				'Seconds value is invalid, too large or more than six decimals: ' . $seconds,
+				1,
+				$e
+			);
+		}
+		$interval = date_diff($date_now, $date_seconds);
+		// if show_only_days and negative but input postive alert that this has to be done in y/m/d ...
+		if ($interval->y < 0) {
+			throw new \LengthException('Input seconds value is too large for years output: ' . $seconds, 2);
+		} elseif ($interval->days < 0 && $show_only_days === true) {
+			throw new \LengthException('Input seconds value is too large for days output: ' . $seconds, 3);
+		}
+		$parts = [
+			'years' => 'y',
+			'months' => 'm',
+			'days' => 'd',
+			'hours' => 'h',
+			'minutes' => 'i',
+			'seconds' => 's',
+			'microseconds' => 'f',
+		];
+		$short_name = [
+			'years' => 'y', 'months' => 'm', 'days' => 'd',
+			'hours' => 'h', 'minutes' => 'm', 'seconds' => 's',
+			'microseconds' => 'ms'
+		];
+		// $skip = false;
+		if (!empty($truncate_after)) {
+			// if truncate after not in key or value in parts
+			if (!in_array($truncate_after, array_keys($parts)) && !in_array($truncate_after, array_values($parts))) {
+				throw new \UnexpectedValueException(
+					'truncate_after has an invalid value: ' . $truncate_after,
+					4
+				);
+			}
+			// if truncate after is y or m and we have show_only_days, throw exception
+			if ($show_only_days === true && in_array($truncate_after, ['y', 'years', 'm', 'months'])) {
+				throw new \UnexpectedValueException(
+					'If show_only_days is turned on, the truncate_after cannot be years or months: '
+						. $truncate_after,
+					5
+				);
+			}
+			// $skip = true;
+		}
+		$formatted = [];
+		$zero_formatted = [];
+		$value_set = false;
+		$add_zero_seconds = false;
+		foreach ($parts as $time_name => $part) {
+			if (
+				// skip for micro seconds
+				($show_microseconds === false && $part == 'f') ||
+				// skip for if days only and we have year or month
+				($show_only_days === true && in_array($part, ['y', 'm']))
+			) {
+				continue;
+			}
+			$add_value = 0;
+			if ($show_only_days === true && $part == 'd') {
+				$value = $interval->days;
+			} else {
+				$value = $interval->$part;
+			}
+			// print "-> V: $value | $part, $time_name"
+			// 	. " | Set: " . ($value_set ? 'Y' : 'N') . ", SkipZ: " . ($skip_zero ? 'Y' : 'N')
+			// 	. " | SkipLZ: " . ($skip_last_zero ? 'Y' : 'N')
+			// 	. " | " . ($value != 0 ? 'Not zero' : 'ZERO') . "<br>";
+			if ($value != 0) {
+				if ($part == 'f') {
+					if ($truncate_nanoseconds === true) {
+						$value = round($value, 3);
+					}
+					$value *= 1000;
+					// anything above that is nano seconds?
+				}
+				if ($value) {
+					$value_set = true;
+				}
+				$add_value = 1;
+			} elseif (
+				$value == 0 &&
+				$value_set === true && (
+					$skip_last_zero === false ||
+					$skip_zero === false
+				)
+			) {
+				$add_value = 2;
+			}
+			// echo "ADD VALUE: $add_value<br>";
+			if ($add_value) {
+				// build format
+				$format = "$value";
+				if ($name_space_seperator) {
+					$format .= " ";
+				}
+				if ($short_time_name) {
+					$format .= $short_name[$time_name];
+				} elseif ($value == 1) {
+					$format .= substr($time_name, 0, -1);
+				} else {
+					$format .= $time_name;
+				}
+				if ($add_value == 1) {
+					if (count($zero_formatted) && $skip_zero === false) {
+						$formatted = array_merge($formatted, $zero_formatted);
+					}
+					$zero_formatted = [];
+					$formatted[] = $format;
+				} elseif ($add_value == 2) {
+					$zero_formatted[] = $format;
+				}
+			}
+			// if seconds is zero
+			if (
+				$part == 's' && $value == 0 &&
+				$show_microseconds === true &&
+				$truncate_zero_seconds_if_microseconds === false
+			) {
+				$add_zero_seconds = true;
+			}
+			// stop after a truncate is matching
+			if ($part == $truncate_after || $truncate_after == $time_name) {
+				break;
+			}
+		}
+		// add all zero entries if we have skip last off
+		if (count($zero_formatted) && $skip_last_zero === false) {
+			$formatted = array_merge($formatted, $zero_formatted);
+		}
+		// print "=> F: " . print_r($formatted, true)
+		// 	. " | Z: " . print_r($zero_list, true)
+		// 	. " | ZL: " . print_r($zero_last_list, true)
+		// 	. "<br>";
+		if (count($formatted) == 0) {
+			// if we have truncate on, then we assume nothing was found
+			if (!empty($truncate_after)) {
+				if (in_array($truncate_after, array_values($parts))) {
+					$truncate_after = array_flip($parts)[$truncate_after];
+				}
+				$time_name = $truncate_after;
+			} else {
+				$time_name = 'seconds';
+			}
+			return '0' . ($name_space_seperator ? ' ' : '')
+				. ($short_time_name ? $short_name[$time_name] : $time_name);
+		} elseif (count($formatted) == 1) {
+			return $negative .
+				($add_zero_seconds ?
+					'0'
+						. ($name_space_seperator ? ' ' : '')
+						. ($short_time_name ? $short_name['seconds'] : 'seconds')
+						. ' '
+					: ''
+				)
+				. $formatted[0];
+		} elseif ($natural_seperator === false) {
+			return $negative . implode(' ', $formatted);
+		} else {
+			$str = implode(', ', array_slice($formatted, 0, -1));
+			if (!empty($formatted[count($formatted) - 1])) {
+				$str .= ' and ' . (string)array_pop($formatted);
+			}
+			return $negative . $str;
+		}
+	}
+
 	/**
 	 * does a reverse of the timeStringFormat and converts the string from
 	 * xd xh xm xs xms to a timestamp.microtime format
@@ -399,16 +639,26 @@ class DateTime
 	 *
 	 * @param  string $start_date   valid start date (y/m/d)
 	 * @param  string $end_date     valid end date (y/m/d)
-	 * @param  bool   $return_named return array type, false (default), true for named
-	 * @return array<mixed>         0/overall, 1/weekday, 2/weekend
+	 * @param  bool   $return_named [default=false] return array type, false (default), true for named
+	 * @param  bool   $include_end_date [default=true] include end date in calc
+	 * @param  bool   $exclude_start_date [default=false] include end date in calc
+	 * @return array{0:int,1:int,2:int,3:bool}|array{overall:int,weekday:int,weekend:int,reverse:bool}
+	 *                0/overall, 1/weekday, 2/weekend, 3/reverse
 	 */
 	public static function calcDaysInterval(
 		string $start_date,
 		string $end_date,
-		bool $return_named = false
+		bool $return_named = false,
+		bool $include_end_date = true,
+		bool $exclude_start_date = false
 	): array {
 		// pos 0 all, pos 1 weekday, pos 2 weekend
-		$days = [];
+		$days = [
+			0 => 0,
+			1 => 0,
+			2 => 0,
+			3 => false,
+		];
 		// if anything invalid, return 0,0,0
 		try {
 			$start = new \DateTime($start_date);
@@ -419,38 +669,111 @@ class DateTime
 					'overall' => 0,
 					'weekday' => 0,
 					'weekend' => 0,
+					'reverse' => false
 				];
 			} else {
-				return [0, 0, 0];
+				return $days;
 			}
 		}
 		// so we include the last day too, we need to add +1 second in the time
-		$end->setTime(0, 0, 1);
-		// if end date before start date, only this will be filled
-		$days[0] = $end->diff($start)->days;
-		$days[1] = 0;
-		$days[2] = 0;
+		// if start is before end, switch dates and flag
+		$days[3] = false;
+		if ($start > $end) {
+			$new_start = $end;
+			$end = $start;
+			$start = $new_start;
+			$days[3] = true;
+		}
 		// get period for weekends/weekdays
-		$period = new \DatePeriod($start, new \DateInterval('P1D'), $end);
+		$options = 0;
+		if ($include_end_date) {
+			$options |= \DatePeriod::INCLUDE_END_DATE;
+		}
+		if ($exclude_start_date) {
+			$options |= \DatePeriod::EXCLUDE_START_DATE;
+		}
+		$period = new \DatePeriod($start, new \DateInterval('P1D'), $end, $options);
 		foreach ($period as $dt) {
 			$curr = $dt->format('D');
 			if ($curr == 'Sat' || $curr == 'Sun') {
-				$days[2] ++;
+				$days[2]++;
 			} else {
-				$days[1] ++;
+				$days[1]++;
 			}
+			$days[0]++;
 		}
 		if ($return_named === true) {
 			return [
 				'overall' => $days[0],
 				'weekday' => $days[1],
 				'weekend' => $days[2],
+				'reverse' => $days[3],
 			];
 		} else {
 			return $days;
 		}
 	}
 
+	/**
+	 * wrapper for calcDaysInterval with numeric return only
+	 *
+	 * @param  string $start_date   valid start date (y/m/d)
+	 * @param  string $end_date     valid end date (y/m/d)
+	 * @param  bool   $include_end_date [default=true] include end date in calc
+	 * @param  bool   $exclude_start_date [default=false] include end date in calc
+	 * @return array{0:int,1:int,2:int,3:bool}
+	 */
+	public static function calcDaysIntervalNumIndex(
+		string $start_date,
+		string $end_date,
+		bool $include_end_date = true,
+		bool $exclude_start_date = false
+	): array {
+		$values = self::calcDaysInterval(
+			$start_date,
+			$end_date,
+			false,
+			$include_end_date,
+			$exclude_start_date
+		);
+		return [
+			$values[0] ?? 0,
+			$values[1] ?? 0,
+			$values[2] ?? 0,
+			$values[3] ?? false,
+		];
+	}
+
+	/**
+	 * wrapper for calcDaysInterval with named return only
+	 *
+	 * @param  string $start_date   valid start date (y/m/d)
+	 * @param  string $end_date     valid end date (y/m/d)
+	 * @param  bool   $include_end_date [default=true] include end date in calc
+	 * @param  bool   $exclude_start_date [default=false] include end date in calc
+	 * @return array{overall:int,weekday:int,weekend:int,reverse:bool}
+	 */
+	public static function calcDaysIntervalNamedIndex(
+		string $start_date,
+		string $end_date,
+		bool $include_end_date = true,
+		bool $exclude_start_date = false
+	): array {
+		$values = self::calcDaysInterval(
+			$start_date,
+			$end_date,
+			true,
+			$include_end_date,
+			$exclude_start_date
+		);
+		return [
+			'overall' => $values['overall'] ?? 0,
+			'weekday' => $values['weekday'] ?? 0,
+			'weekend' => $values['weekend'] ?? 0,
+			'reverse' => $values['reverse'] ?? false,
+		];
+	}
+
 	/**
 	 * check if a weekend day (sat/sun) is in the given date range
 	 * Can have time too, but is not needed
@@ -465,6 +788,13 @@ class DateTime
 	): bool {
 		$dd_start = new \DateTime($start_date);
 		$dd_end = new \DateTime($end_date);
+		// flip if start is after end
+		if ($dd_start > $dd_end) {
+			$new_start = $dd_end;
+			$dd_end = $dd_start;
+			$dd_start = $new_start;
+		}
+		// if start > end, flip
 		if (
 			// starts with a weekend
 			$dd_start->format('N') >= 6 ||

src/Convert/Byte.php

@@ -14,6 +14,7 @@ class Byte
 	public const BYTE_FORMAT_NOSPACE = 1;
 	public const BYTE_FORMAT_ADJUST = 2;
 	public const BYTE_FORMAT_SI = 4;
+	public const RETURN_AS_STRING = 8;
 
 	/**
 	 * This function replaces the old byteStringFormat
@@ -37,7 +38,7 @@ class Byte
 	 *                                 BYTE_FORMAT_ADJUST: sprintf adjusted two 2 decimals
 	 *                                 BYTE_FORMAT_SI: use 1000 instead of 1024
 	 * @return string                  converted byte number (float) with suffix
-	 * @throws \Exception               1: no valid flag set
+	 * @throws \InvalidArgumentException 1: no valid flag set
 	 */
 	public static function humanReadableByteFormat(string|int|float $bytes, int $flags = 0): string
 	{
@@ -63,7 +64,7 @@ class Byte
 				$si = false;
 			}
 			if ($flags > 7) {
-				throw new \Exception("Invalid flags parameter: $flags", 1);
+				throw new \InvalidArgumentException("Invalid flags parameter: $flags", 1);
 			}
 
 			// si or normal
@@ -77,7 +78,7 @@ class Byte
 			// labels in order of size [Y, Z]
 			$labels = ['', 'K', 'M', 'G', 'T', 'P', 'E'];
 			// exp position calculation
-			$exp = floor(log($abs_bytes, $unit));
+			$exp = (int)floor(log($abs_bytes, $unit));
 			// avoid printing out anything larger than max labels
 			if ($exp >= count($labels)) {
 				$exp = count($labels) - 1;
@@ -119,7 +120,9 @@ class Byte
 	 * @param  int              $flags  bitwise flag with use space turned on
 	 *                                  BYTE_FORMAT_SI: use 1000 instead of 1024
 	 * @return string|int|float         converted value or original value
-	 * @throws \Exception                1: no valid flag set
+	 * @throws \InvalidArgumentException no valid flag set
+	 * @throws \LengthException          number too large to convert to int
+	 * @throws \RuntimeException		 BCMath extension not loaded if flag is set to string
 	 */
 	public static function stringByteFormat(string|int|float $number, int $flags = 0): string|int|float
 	{
@@ -129,8 +132,13 @@ class Byte
 		} else {
 			$si = false;
 		}
-		if ($flags != 0 && $flags != 4) {
-			throw new \Exception("Invalid flags parameter: $flags", 1);
+		if ($flags & self::RETURN_AS_STRING) {
+			$return_as_string = true;
+		} else {
+			$return_as_string = false;
+		}
+		if ($flags != 0 && $flags != 4 && $flags != 8 && $flags != 12) {
+			throw new \InvalidArgumentException("Invalid flags parameter: $flags", 1);
 		}
 		// matches in regex
 		$matches = [];
@@ -142,6 +150,10 @@ class Byte
 			strtolower((string)$number),
 			$matches
 		);
+		$number_negative = false;
+		if (!empty($matches[1])) {
+			$number_negative = true;
+		}
 		if (isset($matches[2]) && isset($matches[3])) {
 			// remove all non valid characters from the number
 			$number = preg_replace('/[^0-9\.]/', '', $matches[2]);
@@ -152,12 +164,48 @@ class Byte
 			if ($unit) {
 				$number = $number * pow($si ? 1000 : 1024, stripos($valid_units_, $unit[0]) ?: 0);
 			}
+			// if the number is too large, we cannot convert to int directly
+			if ($number <= PHP_INT_MIN || $number >= PHP_INT_MAX) {
+				// if we do not want to convert to string
+				if (!$return_as_string) {
+					throw new \LengthException(
+						'Number too large be converted to int: ' . (string)$number
+					);
+				}
+				// for string, check if bcmath is loaded, if not this will not work
+				if (!extension_loaded('bcmath')) {
+					throw new \RuntimeException(
+						'Number too large be converted to int and BCMath extension not loaded: ' . (string)$number
+					);
+				}
+			}
+			// string return
+			if ($return_as_string) {
+				// return as string to avoid overflow
+				// $number = (string)round($number);
+				$number = bcmul(number_format(
+					$number,
+					12,
+					'.',
+					''
+				), "1");
+				if ($number_negative) {
+					$number = '-' . $number;
+				}
+				return $number;
+			}
 			// convert to INT to avoid +E output
 			$number = (int)round($number);
 			// if negative input, keep nnegative
-			if (!empty($matches[1])) {
+			if ($number_negative) {
 				$number *= -1;
 			}
+			// check if number is negative but should be, this is Lenght overflow
+			if (!$number_negative && $number < 0) {
+				throw new \LengthException(
+					'Number too large be converted to int: ' . (string)$number
+				);
+			}
 		}
 		// if not matching return as is
 		return $number;

src/Convert/Color/CieXyz.php

@@ -0,0 +1,359 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/12
+ * DESCRIPTION:
+ * CIE XYZ color space conversion
+ * This for various interims work
+ * none public
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color;
+
+use CoreLibs\Convert\Math;
+use CoreLibs\Convert\Color\Coordinates\RGB;
+use CoreLibs\Convert\Color\Coordinates\Lab;
+use CoreLibs\Convert\Color\Coordinates\XYZ;
+
+class CieXyz
+{
+	// MARK: public wrapper functions
+
+	/**
+	 * Convert from RGB to OkLab
+	 * via xyz D65
+	 *
+	 * @param  RGB $rgb
+	 * @return Lab
+	 */
+	public static function rgbViaXyzD65ToOkLab(RGB $rgb): Lab
+	{
+		return self::xyzD65ToOkLab(
+			self::linRgbToXyzD65($rgb)
+		);
+	}
+
+	/**
+	 * Convet from OkLab to RGB
+	 * via xyz D65
+	 *
+	 * @param  Lab $lab
+	 * @return RGB
+	 */
+	public static function okLabViaXyzD65ToRgb(Lab $lab): RGB
+	{
+		return self::xyzD65ToLinRgb(
+			self::okLabToXyzD65($lab)
+		)->fromLinear();
+	}
+
+	/**
+	 * Convert RGB to CIE Lab
+	 * via xyz D65 to xyz D50
+	 *
+	 * @param  RGB $rgb
+	 * @return Lab
+	 */
+	public static function rgbViaXyzD65ViaXyzD50ToLab(RGB $rgb): Lab
+	{
+		return self::xyzD50ToLab(
+			self::xyzD65ToXyzD50(
+				self::linRgbToXyzD65($rgb)
+			)
+		);
+	}
+
+	/**
+	 * Convert CIE Lab to RGB
+	 * via xyz D50 to xyz D65
+	 *
+	 * @param  Lab $lab
+	 * @return RGB
+	 */
+	public static function labViaXyzD50ViaXyzD65ToRgb(Lab $lab): RGB
+	{
+		return self::xyzD65ToLinRgb(
+			self::xyzD50ToXyxD65(
+				self::labToXyzD50($lab)
+			)
+		)->fromLinear();
+	}
+
+	/**
+	 * Convert from oklab to cie lab
+	 *
+	 * @param  Lab $lab
+	 * @return Lab
+	 */
+	public static function okLabViaXyzD65ViaXyzD50ToLab(Lab $lab): Lab
+	{
+		return self::xyzD50ToLab(
+			self::xyzD65ToXyzD50(
+				self::okLabToXyzD65($lab)
+			)
+		);
+	}
+
+	/**
+	 * Convert from cie lab to oklab
+	 *
+	 * @param  Lab $lab
+	 * @return Lab
+	 */
+	public static function labViaXyzD50ViaXyzD65ToOkLab(Lab $lab): Lab
+	{
+		return self::xyzD65ToOkLab(
+			self::xyzD50ToXyxD65(
+				self::labToXyzD50($lab)
+			)
+		);
+	}
+
+	// MARK: helper convert any array to array{float, float, float}
+
+	/**
+	 * This is a hack for phpstan until we write a proper matrix to class
+	 * conversion wrapper function
+	 *
+	 * @param  array<array<float|int>|float|int> $_array
+	 * @return array{0:float,1:float,2:float}
+	 */
+	private static function convertArray(array $_array): array
+	{
+		/** @var array{0:float,1:float,2:float} */
+		return [$_array[0], $_array[1], $_array[2]];
+	}
+
+	// MARK: xyzD65 <-> xyzD50
+
+	/**
+	 * xyzD65 to xyzD50 whitepoint
+	 *
+	 * @param  XYZ $xyz
+	 * @return XYZ
+	 */
+	private static function xyzD65ToXyzD50(XYZ $xyz): XYZ
+	{
+		return new XYZ(self::convertArray(Math::multiplyMatrices(
+			a: [
+				[1.0479298208405488, 0.022946793341019088, -0.05019222954313557],
+				[0.029627815688159344, 0.990434484573249, -0.01707382502938514],
+				[-0.009243058152591178, 0.015055144896577895, 0.7518742899580008],
+			],
+			b: $xyz->returnAsArray(),
+		)), options: ["whitepoint" => 'D50']);
+	}
+
+	/**
+	 * xyzD50 to xyzD65 whitepoint
+	 *
+	 * @param  XYZ $xyz
+	 * @return XYZ
+	 */
+	private static function xyzD50ToXyxD65(XYZ $xyz): XYZ
+	{
+		return new XYZ(self::convertArray(Math::multiplyMatrices(
+			a: [
+				[0.9554734527042182, -0.023098536874261423, 0.0632593086610217],
+				[-0.028369706963208136, 1.0099954580058226, 0.021041398966943008],
+				[0.012314001688319899, -0.020507696433477912, 1.3303659366080753],
+			],
+			b: $xyz->returnAsArray()
+		)), options: ["whitepoint" => 'D65']);
+	}
+
+	// MARK: xyzD50 <-> Lab
+
+	/**
+	 * Convert xyzD50 to Lab (Cie)
+	 *
+	 * @param  XYZ $xyz
+	 * @return Lab
+	 */
+	private static function xyzD50ToLab(XYZ $xyz): Lab
+	{
+		$_xyz = $xyz->returnAsArray();
+		$d50 = [
+			0.3457 / 0.3585,
+			1.00000,
+			(1.0 - 0.3457 - 0.3585) / 0.3585,
+		];
+
+		$a = 216 / 24389;
+		$b = 24389 / 27;
+
+		$_xyz = array_map(
+			fn ($k, $v) => $v / $d50[$k],
+			array_keys($_xyz),
+			array_values($_xyz),
+		);
+
+		$f = array_map(
+			fn ($v) => (($v > $a) ?
+				pow($v, 1 / 3) :
+				(($b * $v + 16) / 116)
+			),
+			$_xyz,
+		);
+
+		return new Lab([
+			(116 * $f[1]) - 16,
+			500 * ($f[0] - $f[1]),
+			200 * ($f[1] - $f[2]),
+		], colorspace: 'CIELab');
+	}
+
+	/**
+	 * Convert Lab (Cie) to xyz D50
+	 *
+	 * @param  Lab    $lab
+	 * @return XYZ
+	 */
+	private static function labToXyzD50(Lab $lab): XYZ
+	{
+		$_lab = $lab->returnAsArray();
+		$a = 24389 / 27;
+		$b = 216 / 24389;
+		$f = [];
+		$f[1] = ($_lab[0] + 16) / 116;
+		$f[0] = $_lab[1] / 500 + $f[1];
+		$f[2] = $f[1] - $_lab[2] / 200;
+		$xyz  = [
+			// x
+			pow($f[0], 3) > $b ?
+				pow($f[0], 3) :
+				(116 * $f[0] - 16) / $a,
+			// y
+			$_lab[0] > $a * $b ?
+				pow(($_lab[0] + 16) / 116, 3) :
+				$_lab[0] / $a,
+			// z
+			pow($f[2], 3) > $b ?
+				pow($f[2], 3) :
+				(116 * $f[2] - 16) / $a,
+		];
+
+		$d50 = [
+			0.3457 / 0.3585,
+			1.00000,
+			(1.0 - 0.3457 - 0.3585) / 0.3585,
+		];
+
+		return new XYZ(
+			self::convertArray(array_map(
+				fn ($k, $v) => $v * $d50[$k],
+				array_keys($xyz),
+				$xyz,
+			)),
+			options: ["whitepoint" => 'D50']
+		);
+	}
+
+	// MARK: xyzD65 <-> (linear)RGB
+
+	/**
+	 * convert linear RGB to xyz D65
+	 * if rgb is not flagged linear, it will be auto converted
+	 *
+	 * @param  RGB  $rgb
+	 * @return XYZ
+	 */
+	private static function linRgbToXyzD65(RGB $rgb): XYZ
+	{
+		// if not linear, convert to linear
+		if (!(bool)$rgb->get('linear')) {
+			$rgb = (new RGB($rgb->returnAsArray()))->toLinear();
+		}
+		return new XYZ(self::convertArray(Math::multiplyMatrices(
+			[
+				[0.41239079926595934, 0.357584339383878, 0.1804807884018343],
+				[0.21263900587151027, 0.715168678767756, 0.07219231536073371],
+				[0.01933081871559182, 0.11919477979462598, 0.9505321522496607],
+			],
+			$rgb->returnAsArray()
+		)), options: ["whitepoint" => 'D65']);
+	}
+
+	/**
+	 * Convert xyz D65 to linear RGB
+	 *
+	 * @param  XYZ $xyz
+	 * @return RGB
+	 */
+	private static function xyzD65ToLinRgb(XYZ $xyz): RGB
+	{
+		// xyz D65 to linrgb
+		return new RGB(self::convertArray(Math::multiplyMatrices(
+			a : [
+				[  3.2409699419045226,  -1.537383177570094,   -0.4986107602930034  ],
+				[ -0.9692436362808796,   1.8759675015077202,   0.04155505740717559 ],
+				[  0.05563007969699366, -0.20397695888897652,  1.0569715142428786  ],
+			],
+			b : $xyz->returnAsArray()
+		)), options: ["linear" => true]);
+	}
+
+	// MARK: xyzD65 <-> OkLab
+
+	/**
+	 * xyz D65 to OkLab
+	 *
+	 * @param  XYZ $xyz
+	 * @return Lab
+	 */
+	private static function xyzD65ToOkLab(XYZ $xyz): Lab
+	{
+		return new Lab(self::convertArray(Math::multiplyMatrices(
+			[
+				[0.2104542553, 0.7936177850, -0.0040720468],
+				[1.9779984951, -2.4285922050, 0.4505937099],
+				[0.0259040371, 0.7827717662, -0.8086757660],
+			],
+			array_map(
+				callback: fn ($v) => pow((float)$v, 1 / 3),
+				array: Math::multiplyMatrices(
+					a: [
+						[0.8190224432164319, 0.3619062562801221, -0.12887378261216414],
+						[0.0329836671980271, 0.9292868468965546, 0.03614466816999844],
+						[0.048177199566046255, 0.26423952494422764, 0.6335478258136937],
+					],
+					b: $xyz->returnAsArray(),
+				),
+			)
+		)), colorspace: 'OkLab');
+	}
+
+	/**
+	 * xyz D65 to OkLab
+	 *
+	 * @param  Lab    $lab
+	 * @return XYZ
+	 */
+	private static function okLabToXyzD65(Lab $lab): XYZ
+	{
+		return new XYZ(self::convertArray(Math::multiplyMatrices(
+			a: [
+					[1.2268798733741557, -0.5578149965554813, 0.28139105017721583],
+					[-0.04057576262431372, 1.1122868293970594, -0.07171106666151701],
+					[-0.07637294974672142, -0.4214933239627914, 1.5869240244272418],
+			],
+			b: array_map(
+				callback: fn ($v) => is_numeric($v) ? $v ** 3 : 0,
+				array: Math::multiplyMatrices(
+					a: [
+							[0.99999999845051981432, 0.39633779217376785678, 0.21580375806075880339],
+							[1.0000000088817607767, -0.1055613423236563494, -0.063854174771705903402],
+							[1.0000000546724109177, -0.089484182094965759684, -1.2914855378640917399],
+					],
+					// Divide $lightness by 100 to convert from CSS OkLab
+					b: $lab->returnAsArray(),
+				),
+			),
+		)), options: ["whitepoint" => 'D65']);
+	}
+}
+
+// __END__

src/Convert/Color/Coordinates/HSB.php

@@ -0,0 +1,190 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/11
+ * DESCRIPTION:
+ * Color Coordinate: HSB/HSV
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates;
+
+use CoreLibs\Convert\Color\Utils;
+
+class HSB implements Interface\CoordinatesInterface
+{
+	/** @var array<string> allowed colorspaces */
+	private const COLORSPACES = ['sRGB'];
+
+	/** @var float hue */
+	private float $H = 0.0;
+	/** @var float saturation */
+	private float $S = 0.0;
+	/** @var float brightness / value */
+	private float $B = 0.0;
+
+	/** @var string color space: either ok or cie */
+	private string $colorspace = ''; /** @phpstan-ignore-line */
+
+	/**
+	 * HSB (HSV) color coordinates
+	 * Hue/Saturation/Brightness or Value
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=sRGB]
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
+	 */
+	public function __construct(string|array $colors, string $colorspace = 'sRGB', array $options = [])
+	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
+	}
+
+	/**
+	 * set from array
+	 * where 0: Hue, 1: Saturation, 2: Brightness
+	 *
+	 * @param  string|array{0:float,1:float,2:float} $colors
+	 * @param  string $colorspace [default=sRGB]
+	 * @param  array<string,string> $options [default=[]]
+	 * @return self
+	 */
+	public static function create(string|array $colors, string $colorspace = 'sRGB', array $options = []): self
+	{
+		return new HSB($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
+	}
+
+	/**
+	 * set color
+	 *
+	 * @param  string $name
+	 * @param  float  $value
+	 * @return void
+	 */
+	private function set(string $name, float $value): void
+	{
+		$name = strtoupper($name);
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		switch ($name) {
+			case 'H':
+				if ($value == 360.0) {
+					$value = 0;
+				}
+				// if ($value < 0 || $value > 360) {
+				if (Utils::compare(0.0, $value, 360.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for hue is not in the range of 0 to 360',
+						1
+					);
+				}
+				break;
+			case 'S':
+				// if ($value < 0 || $value > 100) {
+				if (Utils::compare(0.0, $value, 100.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for saturation is not in the range of 0 to 100',
+						2
+					);
+				}
+				break;
+			case 'B':
+				// if ($value < 0 || $value > 100) {
+				if (Utils::compare(0.0, $value, 100.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for brightness is not in the range of 0 to 100',
+						3
+					);
+				}
+				break;
+		}
+		$this->$name = $value;
+	}
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float
+	 */
+	public function get(string $name): float|string|bool
+	{
+		$name = strtoupper($name);
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		return $this->$name;
+	}
+
+	/**
+	 * set the colorspace
+	 *
+	 * @param  string $colorspace
+	 * @return self
+	 */
+	private function setColorspace(string $colorspace): self
+	{
+		if (!in_array($colorspace, $this::COLORSPACES)) {
+			throw new \InvalidArgumentException('Not allowed colorspace', 0);
+		}
+		$this->colorspace = $colorspace;
+		return $this;
+	}
+
+	/**
+	 * Returns the color as array
+	 * where 0: Hue, 1: Saturation, 2: Brightness
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array
+	{
+		return [$this->H, $this->S, $this->B];
+	}
+
+	/**
+	 * set color as array
+	 * where 0: Hue, 1: Saturation, 2: Brightness
+	 *
+	 * @param  array{0:float,1:float,2:float} $colors
+	 * @return self
+	 */
+	private function setFromArray(array $colors): self
+	{
+		$this->set('H', $colors[0]);
+		$this->set('S', $colors[1]);
+		$this->set('B', $colors[2]);
+		return $this;
+	}
+
+	/**
+	 * no hsb in css
+	 *
+	 * @param  float|string|null $opacity
+	 * @return string
+	 * @throws \ErrorException
+	 */
+	public function toCssString(null|float|string $opacity = null): string
+	{
+		throw new \ErrorException('HSB is not available as CSS color string', 0);
+	}
+}
+
+// __END__

src/Convert/Color/Coordinates/HSL.php

@@ -0,0 +1,195 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/11
+ * DESCRIPTION:
+ * Color Coordinate: HSL
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates;
+
+use CoreLibs\Convert\Color\Utils;
+
+class HSL implements Interface\CoordinatesInterface
+{
+	/** @var array<string> allowed colorspaces */
+	private const COLORSPACES = ['sRGB'];
+
+	/** @var float hue */
+	private float $H = 0.0;
+	/** @var float saturation */
+	private float $S = 0.0;
+	/** @var float lightness (luminance) */
+	private float $L = 0.0;
+
+	/** @var string color space: either sRGB */
+	private string $colorspace = '';
+
+	/**
+	 * Color Coordinate HSL
+	 * Hue/Saturation/Lightness
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=sRGB]
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
+	 */
+	public function __construct(string|array $colors, string $colorspace = 'sRGB', array $options = [])
+	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
+	}
+
+	/**
+	 * set from array
+	 * where 0: Hue, 1: Saturation, 2: Lightness
+	 *
+	 * @param  string|array{0:float,1:float,2:float} $colors
+	 * @param  string $colorspace [default=sRGB]
+	 * @param  array<string,string> $options [default=[]]
+	 * @return self
+	 */
+	public static function create(string|array $colors, string $colorspace = 'sRGB', array $options = []): self
+	{
+		return new HSL($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
+	}
+
+	/**
+	 * set color
+	 *
+	 * @param  string $name
+	 * @param  float  $value
+	 * @return void
+	 */
+	private function set(string $name, float $value): void
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		switch ($name) {
+			case 'H':
+				if ($value == 360.0) {
+					$value = 0;
+				}
+				// if ($value < 0 || $value > 360) {
+				if (Utils::compare(0.0, $value, 360.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for hue is not in the range of 0 to 360',
+						1
+					);
+				}
+				break;
+			case 'S':
+				// if ($value < 0 || $value > 100) {
+				if (Utils::compare(0.0, $value, 100.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for saturation is not in the range of 0 to 100',
+						2
+					);
+				}
+				break;
+			case 'L':
+				// if ($value < 0 || $value > 100) {
+				if (Utils::compare(0.0, $value, 100.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for lightness is not in the range of 0 to 100',
+						3
+					);
+				}
+				break;
+		}
+		$this->$name = $value;
+	}
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float
+	 */
+	public function get(string $name): float|string|bool
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		return $this->$name;
+	}
+
+	/**
+	 * set the colorspace
+	 *
+	 * @param  string $colorspace
+	 * @return self
+	 */
+	private function setColorspace(string $colorspace): self
+	{
+		if (!in_array($colorspace, $this::COLORSPACES)) {
+			throw new \InvalidArgumentException('Not allowed colorspace', 0);
+		}
+		$this->colorspace = $colorspace;
+		return $this;
+	}
+
+	/**
+	 * Returns the color as array
+	 * where 0: Hue, 1: Saturation, 2: Lightness
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array
+	{
+		return [$this->H, $this->S, $this->L];
+	}
+
+	/**
+	 * set color as array
+	 * where 0: Hue, 1: Saturation, 2: Lightness
+	 *
+	 * @param  array{0:float,1:float,2:float} $colors
+	 * @return self
+	 */
+	private function setFromArray(array $colors): self
+	{
+		$this->set('H', $colors[0]);
+		$this->set('S', $colors[1]);
+		$this->set('L', $colors[2]);
+		return $this;
+	}
+
+		/**
+	 * convert to css string with optional opacityt
+	 *
+	 * @param  float|string|null $opacity
+	 * @return string
+	 */
+	public function toCssString(null|float|string $opacity = null): string
+	{
+		$string = 'hsl('
+			. $this->H
+			. ' '
+			. $this->S
+			. ' '
+			. $this->L
+			. Utils::setOpacity($opacity)
+			. ')';
+		return $string;
+	}
+}
+
+// __END__

src/Convert/Color/Coordinates/HWB.php

@@ -0,0 +1,195 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/11
+ * DESCRIPTION:
+ * Color Coordinate: HWB
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates;
+
+use CoreLibs\Convert\Color\Utils;
+
+class HWB implements Interface\CoordinatesInterface
+{
+	/** @var array<string> allowed colorspaces */
+	private const COLORSPACES = ['sRGB'];
+
+	/** @var float Hue */
+	private float $H = 0.0;
+	/** @var float Whiteness */
+	private float $W = 0.0;
+	/** @var float Blackness */
+	private float $B = 0.0;
+
+	/** @var string color space: either ok or cie */
+	private string $colorspace = '';
+
+	/**
+	 * Color Coordinate: HWB
+	 * Hue/Whiteness/Blackness
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=sRGB]
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
+	 */
+	public function __construct(string|array $colors, string $colorspace = 'sRGB', array $options = [])
+	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
+	}
+
+	/**
+	 * set from array
+	 * where 0: Hue, 1: Whiteness, 2: Blackness
+	 *
+	 * @param  string|array{0:float,1:float,2:float} $colors
+	 * @param  string $colorspace [default=sRGB]
+	 * @param  array<string,string> $options [default=[]]
+	 * @return self
+	 */
+	public static function create(string|array $colors, string $colorspace = 'sRGB', array $options = []): self
+	{
+		return new HWB($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
+	}
+
+	/**
+	 * set color
+	 *
+	 * @param  string $name
+	 * @param  float  $value
+	 * @return void
+	 */
+	private function set(string $name, float $value): void
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		switch ($name) {
+			case 'H':
+				if ($value == 360.0) {
+					$value = 0;
+				}
+				// if ($value < 0 || $value > 360) {
+				if (Utils::compare(0.0, $value, 360.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for hue is not in the range of 0 to 360',
+						1
+					);
+				}
+				break;
+			case 'W':
+				// if ($value < 0 || $value > 100) {
+				if (Utils::compare(0.0, $value, 100.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for whiteness is not in the range of 0 to 100',
+						2
+					);
+				}
+				break;
+			case 'B':
+				// if ($value < 0 || $value > 100) {
+				if (Utils::compare(0.0, $value, 100.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for blackness is not in the range of 0 to 100',
+						3
+					);
+				}
+				break;
+		}
+		$this->$name = $value;
+	}
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float
+	 */
+	public function get(string $name): float|string|bool
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		return $this->$name;
+	}
+
+	/**
+	 * set the colorspace
+	 *
+	 * @param  string $colorspace
+	 * @return self
+	 */
+	private function setColorspace(string $colorspace): self
+	{
+		if (!in_array($colorspace, $this::COLORSPACES)) {
+			throw new \InvalidArgumentException('Not allowed colorspace', 0);
+		}
+		$this->colorspace = $colorspace;
+		return $this;
+	}
+
+	/**
+	 * Returns the color as array
+	 * where 0: Hue, 1: Whiteness, 2: Blackness
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array
+	{
+		return [$this->H, $this->W, $this->B];
+	}
+
+	/**
+	 * set color as array
+	 * where 0: Hue, 1: Whiteness, 2: Blackness
+	 *
+	 * @param  array{0:float,1:float,2:float} $colors
+	 * @return self
+	 */
+	private function setFromArray(array $colors): self
+	{
+		$this->set('H', $colors[0]);
+		$this->set('W', $colors[1]);
+		$this->set('B', $colors[2]);
+		return $this;
+	}
+
+	/**
+	 * convert to css string with optional opacityt
+	 *
+	 * @param  float|string|null $opacity
+	 * @return string
+	 */
+	public function toCssString(null|float|string $opacity = null): string
+	{
+		$string = 'hwb('
+			. $this->H
+			. ' '
+			. $this->W
+			. ' '
+			. $this->B
+			. Utils::setOpacity($opacity)
+			. ')';
+		return $string;
+	}
+}
+
+// __END__

src/Convert/Color/Coordinates/Interface/CoordinatesInterface.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: Ymd
+ * DESCRIPTION:
+ * DescriptionHere
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates\Interface;
+
+interface CoordinatesInterface
+{
+	/**
+	 * create class via "Class::create()" call
+	 * was used for multiple create interfaces
+	 * no longer needed, use "new Class()" instead
+	 *
+	 * @param  string|array{0:float,1:float,2:float} $colors
+	 * @param  string $colorspace [default='']
+	 * @param  array<string,string|bool|int> $options [default=[]]
+	 * @return self
+	 */
+	public static function create(string|array $colors, string $colorspace = '', array $options = []): self;
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float
+	 */
+	public function get(string $name): float|string|bool;
+
+	/**
+	 * Returns the color as array
+	 * where 0: Lightness, 1: a, 2: b
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array;
+
+	/**
+	 * Convert into css string with optional opacity
+	 *
+	 * @param  null|float|string|null $opacity
+	 * @return string
+	 */
+	public function toCssString(null|float|string $opacity = null): string;
+}
+
+// __END__

src/Convert/Color/Coordinates/LCH.php

@@ -0,0 +1,227 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/11
+ * DESCRIPTION:
+ * Color Coordinate: Lch
+ * for oklch or cie
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates;
+
+use CoreLibs\Convert\Color\Utils;
+
+class LCH implements Interface\CoordinatesInterface
+{
+	/** @var array<string> allowed colorspaces */
+	private const COLORSPACES = ['OkLab', 'CIELab'];
+
+	/** @var float Lightness/Luminance
+	 * CIE: 0 to 100
+	 * OKlch: 0.0 to 1.0
+	 * BOTH: 0% to 100%
+	 */
+	private float $L = 0.0;
+	/** @var float Chroma
+	 * CIE: 0 to 150, cannot be more than 230
+	 * OkLch: 0 to 0.4, does not exceed 0.5
+	 * BOTH: 0% to 100% (0 to 150, 0 to 0.4)
+	 */
+	private float $C = 0.0;
+	/** @var float Hue
+	 * 0 to 360 deg
+	 */
+	private float $H = 0.0;
+
+	/** @var string color space: either ok or cie */
+	private string $colorspace = '';
+
+	/**
+	 * Color Coordinate Lch
+	 * for oklch
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default='']
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
+	 */
+	public function __construct(string|array $colors, string $colorspace = '', array $options = [])
+	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
+	}
+
+	/**
+	 * set from array
+	 * where 0: Lightness, 1: Chroma, 2: Hue
+	 *
+	 * @param  string|array{0:float,1:float,2:float} $colors
+	 * @param  string $colorspace [default='']
+	 * @param  array<string,string> $options [default=[]]
+	 * @return self
+	 */
+	public static function create(string|array $colors, string $colorspace = '', array $options = []): self
+	{
+		return new LCH($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
+	}
+
+	/**
+	 * set color
+	 *
+	 * @param  string $name
+	 * @param  float  $value
+	 * @return void
+	 */
+	private function set(string $name, float $value): void
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		switch ($name) {
+			case 'L':
+				// if ($this->colorspace == 'CIELab' && ($value < 0 || $value > 100)) {
+				if ($this->colorspace == 'CIELab' && Utils::compare(0.0, $value, 100.0, Utils::ESPILON_BIG)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for lightness is not in the range of 0 to 100 for CIE Lab',
+						1
+					);
+				// } elseif ($this->colorspace == 'OkLab' && ($value < 0 || $value > 1)) {
+				} elseif ($this->colorspace == 'OkLab' && Utils::compare(0.0, $value, 1.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for lightness is not in the range of 0.0 to 1.0 for OkLab',
+						1
+					);
+				}
+				break;
+			case 'C':
+				// if ($this->colorspace == 'CIELab' && ($value < 0 || $value > 230)) {
+				if ($this->colorspace == 'CIELab' && Utils::compare(0.0, $value, 230.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for chroma is not in the range of '
+							. '0 to 150 and a maximum of 230 for CIE Lab',
+						1
+					);
+				// } elseif ($this->colorspace == 'OkLab' && ($value < 0 || $value > 0.55)) {
+				} elseif ($this->colorspace == 'OkLab' && Utils::compare(0.0, $value, 0.55, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for lightness is not in the range of '
+							. '0.0 to 0.4 and a maximum of 0.5 for OkLab',
+						1
+					);
+				}
+				break;
+			case 'H':
+				// if ($value < 0 || $value > 360) {
+				if (Utils::compare(0.0, $value, 360.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for hue is not in the range of 0.0 to 360.0',
+						1
+					);
+				}
+				break;
+		}
+		$this->$name = $value;
+	}
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float
+	 */
+	public function get(string $name): float|string|bool
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		return $this->$name;
+	}
+
+	/**
+	 * set the colorspace
+	 *
+	 * @param  string $colorspace
+	 * @return self
+	 */
+	private function setColorspace(string $colorspace): self
+	{
+		if (!in_array($colorspace, $this::COLORSPACES)) {
+			throw new \InvalidArgumentException('Not allowed colorspace', 0);
+		}
+		$this->colorspace = $colorspace;
+		return $this;
+	}
+
+	/**
+	 * Returns the color as array
+	 * where 0: Lightness, 1: Chroma, 2: Hue
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array
+	{
+		return [$this->L, $this->C, $this->H];
+	}
+
+	/**
+	 * set color as array
+	 * where 0: Lightness, 1: Chroma, 2: Hue
+	 *
+	 * @param  array{0:float,1:float,2:float} $colors
+	 * @return self
+	 */
+	private function setFromArray(array $colors): self
+	{
+		$this->set('L', $colors[0]);
+		$this->set('C', $colors[1]);
+		$this->set('H', $colors[2]);
+		return $this;
+	}
+
+	/**
+	 * Convert into css string with optional opacity
+	 *
+	 * @param  null|float|string|null $opacity
+	 * @return string
+	 */
+	public function toCssString(null|float|string $opacity = null): string
+	{
+		$string = '';
+		switch ($this->colorspace) {
+			case 'CIELab':
+				$string = 'lch';
+				break;
+			case 'OkLab':
+				$string = 'oklch';
+				break;
+		}
+		$string .= '('
+			. $this->L
+			. ' '
+			. $this->C
+			. ' '
+			. $this->H
+			. Utils::setOpacity($opacity)
+			. ');';
+
+		return $string;
+	}
+}
+
+// __END__

src/Convert/Color/Coordinates/Lab.php

@@ -0,0 +1,233 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/11
+ * DESCRIPTION:
+ * Color Coordinate: Lab
+ * for oklab or cie
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates;
+
+use CoreLibs\Convert\Color\Utils;
+
+class Lab implements Interface\CoordinatesInterface
+{
+	/** @var array<string> allowed colorspaces */
+	private const COLORSPACES = ['OkLab', 'CIELab'];
+
+	/** @var float lightness/luminance
+	 * CIE: 0f to 100f
+	 * OKlab: 0.0 to 1.0
+	 * BOTH: 0% to 100%
+	 */
+	private float $L = 0.0;
+	/** @var float a axis distance
+	 * CIE: -125 to 125, cannot be more than +/- 160
+	 * OKlab: -0.4 to 0.4, cannot exceed +/- 0.5
+	 * BOTH: -100% to 100% (+/-125 or 0.4)
+	 */
+	private float $a = 0.0;
+	/** @var float b axis distance
+	 * CIE: -125 to 125, cannot be more than +/- 160
+	 * OKlab: -0.4 to 0.4, cannot exceed +/- 0.5
+	 * BOTH: -100% to 100% (+/-125 or 0.4)
+	 */
+	private float $b = 0.0;
+
+	/** @var string color space: either ok or cie */
+	private string $colorspace = '';
+
+	/**
+	 * Color Coordinate: Lab
+	 * for oklab or cie
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default='']
+	 * @param array<string,string> $options [default=[]]
+	 * @throws \InvalidArgumentException only array colors allowed
+	 */
+	public function __construct(string|array $colors, string $colorspace = '', array $options = [])
+	{
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)->parseOptions($options)->setFromArray($colors);
+	}
+
+	/**
+	 * set from array
+	 * where 0: Lightness, 1: a, 2: b
+	 *
+	 * @param array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default='']
+	 * @param array<string,string> $options [default=[]]
+	 * @return self
+	 */
+	public static function create(string|array $colors, string $colorspace = '', array $options = []): self
+	{
+		return new Lab($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		return $this;
+	}
+
+	/**
+	 * set color
+	 *
+	 * @param  string $name
+	 * @param  float  $value
+	 * @return void
+	 */
+	private function set(string $name, float $value): void
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		switch ($name) {
+			case 'L':
+				// if ($this->colorspace == 'CIELab' && ($value < 0 || $value > 100)) {
+				if ($this->colorspace == 'CIELab' && Utils::compare(0.0, $value, 100.0, Utils::ESPILON_BIG)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for lightness is not in the range of 0 to 100 for CIE Lab',
+						1
+					);
+				// } elseif ($this->colorspace == 'OkLab' && ($value < 0 || $value > 1)) {
+				} elseif ($this->colorspace == 'OkLab' && Utils::compare(0.0, $value, 1.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for lightness is not in the range of 0.0 to 1.0 for OkLab',
+						1
+					);
+				}
+				break;
+			case 'a':
+				// if ($this->colorspace == 'CIELab' && ($value < -125 || $value > 125)) {
+				if ($this->colorspace == 'CIELab' && Utils::compare(-125.0, $value, 125.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for a is not in the range of -125 to 125 for CIE Lab',
+						2
+					);
+				// } elseif ($this->colorspace == 'OkLab' && ($value < -0.55 || $value > 0.55)) {
+				} elseif ($this->colorspace == 'OkLab' && Utils::compare(-0.55, $value, 0.55, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for a is not in the range of -0.5 to 0.5 for OkLab',
+						2
+					);
+				}
+				break;
+			case 'b':
+				// if ($this->colorspace == 'CIELab' && ($value < -125 || $value > 125)) {
+				if ($this->colorspace == 'CIELab' && Utils::compare(-125.0, $value, 125.0, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for b is not in the range of -125 to 125 for CIE Lab',
+						3
+					);
+				// } elseif ($this->colorspace == 'OkLab' && ($value < -0.55 || $value > 0.55)) {
+				} elseif ($this->colorspace == 'OkLab' && Utils::compare(-0.55, $value, 0.55, Utils::EPSILON_SMALL)) {
+					throw new \LengthException(
+						'Argument value ' . $value . ' for b is not in the range of -0.5 to 0.5 for OkLab',
+						3
+					);
+				}
+				break;
+		}
+		$this->$name = $value;
+	}
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float
+	 */
+	public function get(string $name): float|string|bool
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		return $this->$name;
+	}
+
+	/**
+	 * set the colorspace
+	 *
+	 * @param  string $colorspace
+	 * @return self
+	 */
+	private function setColorspace(string $colorspace): self
+	{
+		if (!in_array($colorspace, $this::COLORSPACES)) {
+			throw new \InvalidArgumentException('Not allowed colorspace', 0);
+		}
+		$this->colorspace = $colorspace;
+		return $this;
+	}
+
+	/**
+	 * Returns the color as array
+	 * where 0: Lightness, 1: a, 2: b
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array
+	{
+		return [$this->L, $this->a, $this->b];
+	}
+
+	/**
+	 * set color as array
+	 * where 0: Lightness, 1: a, 2: b
+	 *
+	 * @param  array{0:float,1:float,2:float} $colors
+	 * @return self
+	 */
+	private function setFromArray(array $colors): self
+	{
+		$this->set('L', $colors[0]);
+		$this->set('a', $colors[1]);
+		$this->set('b', $colors[2]);
+		return $this;
+	}
+
+	/**
+	 * Convert into css string with optional opacity
+	 *
+	 * @param  null|float|string|null $opacity
+	 * @return string
+	 */
+	public function toCssString(null|float|string $opacity = null): string
+	{
+		$string = '';
+		switch ($this->colorspace) {
+			case 'CIELab':
+				$string = 'lab';
+				break;
+			case 'OkLab':
+				$string = 'oklab';
+				break;
+		}
+		$string .= '('
+			. $this->L
+			. ' '
+			. $this->a
+			. ' '
+			. $this->b
+			. Utils::setOpacity($opacity)
+			. ');';
+
+		return $string;
+	}
+}
+
+// __END__

src/Convert/Color/Coordinates/RGB.php

@@ -0,0 +1,329 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/11
+ * DESCRIPTION:
+ * Color Coordinate: RGB
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates;
+
+use CoreLibs\Convert\Color\Utils;
+
+class RGB implements Interface\CoordinatesInterface
+{
+	/** @var array<string> allowed colorspaces */
+	private const COLORSPACES = ['sRGB'];
+
+	/** @var float red 0 to 255 or 0.0f to 1.0f for linear RGB */
+	private float $R = 0.0;
+	/** @var float green 0 to 255 or 0.0f to 1.0f for linear RGB */
+	private float $G = 0.0;
+	/** @var float blue 0 to 255 or 0.0f to 1.0f for linear RGB */
+	private float $B = 0.0;
+
+	/** @var string color space: either ok or cie */
+	private string $colorspace = '';
+
+	/** @var bool set if this is linear */
+	private bool $linear = false;
+
+	/**
+	 * Color Coordinate RGB
+	*  @param array{0:float,1:float,2:float}|string $colors RGB color array or hex string
+	 * @param string $colorspace [default=sRGB]
+	 * @param array<string,bool> $options [default=[]] only "linear" allowed at the moment
+	 */
+	public function __construct(string|array $colors, string $colorspace = 'sRGB', array $options = [])
+	{
+		$this->setColorspace($colorspace)->parseOptions($options);
+		if (is_array($colors)) {
+			$this->setFromArray($colors);
+		} else {
+			$this->setFromHex($colors);
+		}
+	}
+
+	/**
+	 * set from array or string
+	 * where 0: Red, 1: Green, 2: Blue
+	 * OR #ffffff or ffffff
+	 *
+	 * @param  array{0:float,1:float,2:float}|string $colors RGB color array or hex string
+	 * @param  string $colorspace [default=sRGB]
+	 * @param  array<string,bool> $options [default=[]] only "linear" allowed at the moment
+	 * @return self
+	 */
+	public static function create(string|array $colors, string $colorspace = 'sRGB', array $options = []): self
+	{
+		return new RGB($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,bool> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		$this->flagLinear($options['linear'] ?? false);
+		return $this;
+	}
+
+
+	/**
+	 * set color
+	 *
+	 * @param  string $name
+	 * @param  float  $value
+	 * @return void
+	 */
+	private function set(string $name, float $value): void
+	{
+		// do not allow setting linear from outside
+		if ($name == 'linear') {
+			return;
+		}
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		// if not linear
+		if (!$this->linear && ((int)$value < 0 || (int)$value > 255)) {
+			throw new \LengthException('Argument value ' . $value . ' for color ' . $name
+			. ' is not in the range of 0 to 255', 1);
+		} elseif (
+			// $this->linear && ($value < 0.0 || $value > 1.0)
+			$this->linear && Utils::compare(0.0, $value, 1.0, 0.000001)
+		) {
+			throw new \LengthException('Argument value ' . $value . ' for color ' . $name
+				. ' is not in the range of 0 to 1 for linear rgb', 2);
+		}
+		$this->$name = $value;
+	}
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float|bool
+	 */
+	public function get(string $name): float|string|bool
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		return $this->$name;
+	}
+
+	/**
+	 * set the colorspace
+	 *
+	 * @param  string $colorspace
+	 * @return self
+	 */
+	private function setColorspace(string $colorspace): self
+	{
+		if (!in_array($colorspace, $this::COLORSPACES)) {
+			throw new \InvalidArgumentException('Not allowed colorspace', 0);
+		}
+		$this->colorspace = $colorspace;
+		return $this;
+	}
+
+	/**
+	 * Returns the color as array
+	 * where 0: Red, 1: Green, 2: Blue
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array
+	{
+		return [$this->R, $this->G, $this->B];
+	}
+
+	/**
+	 * set color as array
+	 * where 0: Red, 1: Green, 2: Blue
+	 *
+	 * @param  array{0:float,1:float,2:float} $colors
+	 * @return self
+	 */
+	private function setFromArray(array $colors): self
+	{
+		$this->set('R', $colors[0]);
+		$this->set('G', $colors[1]);
+		$this->set('B', $colors[2]);
+		return $this;
+	}
+
+	/**
+	 * Return current set RGB as hex string. with or without # prefix
+	 *
+	 * @param  bool   $hex_prefix
+	 * @return string
+	 */
+	public function returnAsHex(bool $hex_prefix = true): string
+	{
+		// prefix
+		$hex_color = '';
+		if ($hex_prefix === true) {
+			$hex_color = '#';
+		}
+		// convert if in linear
+		if ($this->linear) {
+			$this->fromLinear();
+		}
+		foreach ($this->returnAsArray() as $color) {
+			$hex_color .= str_pad(dechex((int)$color), 2, '0', STR_PAD_LEFT);
+		}
+		return $hex_color;
+	}
+
+	/**
+	 * set colors RGB from hex string
+	 *
+	 * @param  string $hex_string
+	 * @return self
+	 */
+	private function setFromHex(string $hex_string): self
+	{
+		$hex_string = preg_replace("/[^0-9A-Fa-f]/", '', $hex_string); // Gets a proper hex string
+		if (empty($hex_string) || !is_string($hex_string)) {
+			throw new \InvalidArgumentException('hex_string argument cannot be empty', 3);
+		}
+		$rgbArray = [];
+		if (strlen($hex_string) == 6) {
+			// If a proper hex code, convert using bitwise operation.
+			// No overhead... faster
+			$colorVal = hexdec($hex_string);
+			$rgbArray = [
+				0xFF & ($colorVal >> 0x10),
+				0xFF & ($colorVal >> 0x8),
+				0xFF & $colorVal
+			];
+		} elseif (strlen($hex_string) == 3) {
+			// If shorthand notation, need some string manipulations
+			$rgbArray = [
+				hexdec(str_repeat(substr($hex_string, 0, 1), 2)),
+				hexdec(str_repeat(substr($hex_string, 1, 1), 2)),
+				hexdec(str_repeat(substr($hex_string, 2, 1), 2))
+			];
+		} else {
+			// Invalid hex color code
+			throw new \UnexpectedValueException('Invalid hex_string: ' . $hex_string, 4);
+		}
+		return $this->setFromArray($rgbArray);
+	}
+
+	/**
+	 * set as linear
+	 * can be used as chain call on create if input is linear RGB
+	 * RGB::__construct**(...)->flagLinear();
+	 * as it returns self
+	 *
+	 * @return self
+	 */
+	private function flagLinear(bool $linear): self
+	{
+		$this->linear = $linear;
+		return $this;
+	}
+
+	/**
+	 * Both function source:
+	 * https://bottosson.github.io/posts/colorwrong/#what-can-we-do%3F
+	 * but reverse f: fromLinear and f_inv for toLinear
+	 * Code copied from here:
+	 * https://stackoverflow.com/a/12894053
+	 *
+	 * converts RGB to linear
+	 * We come from 0-255 so we need to divide by 255
+	 *
+	 * @return self
+	 */
+	public function toLinear(): self
+	{
+		// if linear, as is
+		if ($this->linear) {
+			return $this;
+		}
+		$this->flagLinear(true)->setFromArray(array_map(
+			callback: function (int|float $v) {
+				$v = (float)($v / 255);
+				$abs = abs($v);
+				$sign = ($v < 0) ? -1 : 1;
+				return (float)(
+					$abs <= 0.04045 ?
+						$v / 12.92 :
+						$sign * pow(($abs + 0.055) / 1.055, 2.4)
+				);
+			},
+			array: $this->returnAsArray(),
+		));
+		return $this;
+	}
+
+	/**
+	 * convert back to normal sRGB from linear RGB
+	 * we go to 0-255 rgb so we multiply by 255
+	 *
+	 * @return self
+	 */
+	public function fromLinear(): self
+	{
+		// if not linear, as is
+		if (!$this->linear) {
+			return $this;
+		}
+		$this->flagLinear(false)->setFromArray(array_map(
+			callback: function (int|float $v) {
+				$abs  = abs($v);
+				$sign = ($v < 0) ? -1 : 1;
+				// during reverse in some situations the values can become negative in very small ways
+				// like -...E16 and ...E17
+				return ($ret = (float)(255 * (
+					$abs <= 0.0031308 ?
+						$v * 12.92 :
+						$sign * (1.055 * pow($abs, 1.0 / 2.4) - 0.055)
+				))) < 0 ? 0 : $ret;
+			},
+			array: $this->returnAsArray(),
+		));
+		return $this;
+	}
+
+	/**
+	 * convert to css string with optional opacity
+	 * Note: if this is a linear RGB, the data will converted during this operation and the converted back
+	 *
+	 * @param  float|string|null $opacity
+	 * @return string
+	 */
+	public function toCssString(null|float|string $opacity = null): string
+	{
+		// if we are in linear mode, convert to normal mode temporary
+		$was_linear = false;
+		if ($this->linear) {
+			$this->fromLinear();
+			$was_linear = true;
+		}
+		$string = 'rgb('
+			. (int)round($this->R, 0)
+			. ' '
+			. (int)round($this->G, 0)
+			. ' '
+			. (int)round($this->B, 0)
+			. Utils::setOpacity($opacity)
+			. ')';
+		if ($was_linear) {
+			$this->toLinear();
+		}
+		return $string;
+	}
+}
+
+// __END__

src/Convert/Color/Coordinates/XYZ.php

@@ -0,0 +1,202 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/11
+ * DESCRIPTION:
+ * Color Coordinate: XYZ (Cie) (colorspace CIEXYZ)
+ * Note, this is only for the D50 & D65 whitepoint conversion
+ * https://en.wikipedia.org/wiki/CIE_1931_color_space#Construction_of_the_CIE_XYZ_color_space_from_the_Wright%E2%80%93Guild_data
+ * https://en.wikipedia.org/wiki/Standard_illuminant#Illuminant_series_D
+ * https://en.wikipedia.org/wiki/Standard_illuminant#D65_values
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color\Coordinates;
+
+// use CoreLibs\Convert\Color\Utils;
+
+class XYZ implements Interface\CoordinatesInterface
+{
+	/** @var array<string> allowed colorspaces */
+	private const COLORSPACES = ['CIEXYZ'];
+	/** @var array<string> allowed whitepoints
+	 * D50: ICC profile PCS (horizon light) <-> CieLab
+	 * D65: RGB color space (noon) <-> linear RGB
+	 */
+	private const ILLUMINANT = ['D50', 'D65'];
+
+	/** @var float X coordinate */
+	private float $X = 0.0;
+	/** @var float Y coordinate (Luminance) */
+	private float $Y = 0.0;
+	/** @var float Z coordinate (blue) */
+	private float $Z = 0.0;
+
+	/** @var string color space: either ok or cie */
+	private string $colorspace = '';
+
+	/** @var string illuminat white point: only D50 and D65 are allowed */
+	private string $whitepoint = '';
+
+	/**
+	 * Color Coordinate Lch
+	 * for oklch conversion
+	 *
+	 * @param string|array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=CIEXYZ]
+	 * @param array<string,string> $options [default=[]] Only "whitepoint" option allowed
+	 * @throws \InvalidArgumentException only array colors allowed
+	 */
+	public function __construct(
+		string|array $colors,
+		string $colorspace = 'CIEXYZ',
+		array $options = [],
+	) {
+		if (!is_array($colors)) {
+			throw new \InvalidArgumentException('Only array colors allowed', 0);
+		}
+		$this->setColorspace($colorspace)
+			->parseOptions($options)
+			->setFromArray($colors);
+	}
+
+	/**
+	 * set from array
+	 * where 0: X, 1: Y, 2: Z
+	 *
+	 * @param array{0:float,1:float,2:float} $colors
+	 * @param string $colorspace [default=CIEXYZ]
+	 * @param array<string,string> $options [default=[]] Only "whitepoint" option allowed
+	 * @return self
+	 */
+	public static function create(
+		string|array $colors,
+		string $colorspace = 'CIEXYZ',
+		array $options = [],
+	): self {
+		return new XYZ($colors, $colorspace, $options);
+	}
+
+	/**
+	 * parse options
+	 *
+	 * @param  array<string,string> $options
+	 * @return self
+	 */
+	private function parseOptions(array $options): self
+	{
+		$this->setWhitepoint($options['whitepoint'] ?? '');
+		return $this;
+	}
+
+	/**
+	 * set color
+	 *
+	 * @param  string $name
+	 * @param  float  $value
+	 * @return void
+	 */
+	private function set(string $name, float $value): void
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		// TODO: setup XYZ value limits
+		// X: 0 to 95.047, Y: 0 to 100, Z: 0 to 108.88
+		// if (Utils::compare(0.0, $value, 100.0, Utils::EPSILON_SMALL))) {
+		// 	throw new \LengthException('Argument value ' . $value . ' for color ' . $name
+		// 		. ' is not in the range of 0 to 100.0', 1);
+		// }
+		$this->$name = $value;
+	}
+
+	/**
+	 * get color
+	 *
+	 * @param string $name
+	 * @return float
+	 */
+	public function get(string $name): float|string|bool
+	{
+		if (!property_exists($this, $name)) {
+			throw new \ErrorException('Creation of dynamic property is not allowed', 0);
+		}
+		return $this->$name;
+	}
+
+	/**
+	 * set the colorspace
+	 *
+	 * @param  string $colorspace
+	 * @return self
+	 */
+	private function setColorspace(string $colorspace): self
+	{
+		if (!in_array($colorspace, $this::COLORSPACES)) {
+			throw new \InvalidArgumentException('Not allowed colorspace', 0);
+		}
+		$this->colorspace = $colorspace;
+		return $this;
+	}
+
+	/**
+	 * set the whitepoint flag
+	 *
+	 * @param  string $whitepoint
+	 * @return self
+	 */
+	private function setWhitepoint(string $whitepoint): self
+	{
+		if (empty($whitepoint)) {
+			$this->whitepoint = '';
+			return $this;
+		}
+		if (!in_array($whitepoint, $this::ILLUMINANT)) {
+			throw new \InvalidArgumentException('Not allowed whitepoint', 0);
+		}
+		$this->whitepoint = $whitepoint;
+		return $this;
+	}
+
+	/**
+	 * Returns the color as array
+	 * where 0: X, 1: Y, 2: Z
+	 *
+	 * @return array{0:float,1:float,2:float}
+	 */
+	public function returnAsArray(): array
+	{
+		return [$this->X, $this->Y, $this->Z];
+	}
+
+	/**
+	 * set color as array
+	 * where 0: X, 1: Y, 2: Z
+	 *
+	 * @param  array{0:float,1:float,2:float} $colors
+	 * @return self
+	 */
+	private function setFromArray(array $colors): self
+	{
+		$this->set('X', $colors[0]);
+		$this->set('Y', $colors[1]);
+		$this->set('Z', $colors[2]);
+		return $this;
+	}
+
+	/**
+	 * no hsb in css
+	 *
+	 * @param  float|string|null $opacity
+	 * @return string
+	 * @throws \ErrorException
+	 */
+	public function toCssString(null|float|string $opacity = null): string
+	{
+		throw new \ErrorException('XYZ is not available as CSS color string', 0);
+	}
+}
+
+// __END__

src/Convert/Color/Stringify.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/11
+ * DESCRIPTION:
+ * Convert color coordinate to CSS string
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color;
+
+use CoreLibs\Convert\Color\Coordinates\RGB;
+use CoreLibs\Convert\Color\Coordinates\HSL;
+use CoreLibs\Convert\Color\Coordinates\HWB;
+use CoreLibs\Convert\Color\Coordinates\Lab;
+use CoreLibs\Convert\Color\Coordinates\LCH;
+
+class Stringify
+{
+	/**
+	 * return the CSS string including optional opacity
+	 *
+	 * @param  RGB|Lab|LCH|HSL|HWB $data
+	 * @param  null|float|string   $opacity
+	 * @return string
+	 */
+	public static function toCssString(RGB|Lab|LCH|HSL|HWB $data, null|float|string $opacity): string
+	{
+		return $data->toCssString($opacity);
+	}
+}
+
+// __END__

src/Convert/Color/Utils.php

@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/11/14
+ * DESCRIPTION:
+ * Utils for color
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\Convert\Color;
+
+use CoreLibs\Convert\Math;
+
+class Utils
+{
+	/** @var float deviation allowed for valid data checks, small */
+	public const EPSILON_SMALL  = 0.000000000001;
+	/** @var float deviation allowed for valid data checks, medium */
+	public const EPSILON_MEDIUM = 0.0000001;
+	/** @var float deviation allowed for valid data checks, big */
+	public const ESPILON_BIG    = 0.0001;
+
+	public static function compare(float $lower, float $value, float $upper, float $epslion): bool
+	{
+		if (
+			Math::compareWithEpsilon($value, '<', $lower, $epslion) ||
+			Math::compareWithEpsilon($value, '>', $upper, $epslion)
+		) {
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Build the opactiy sub string part and return it
+	 *
+	 * @param  null|float|string|null $opacity
+	 * @return string
+	 */
+	public static function setOpacity(null|float|string $opacity = null): string
+	{
+		// set opacity, either a string or float
+		if (is_string($opacity)) {
+			$opacity = ' / ' . $opacity;
+		} elseif ($opacity !== null) {
+			$opacity = ' / ' . $opacity;
+		} else {
+			$opacity = '';
+		}
+		return $opacity;
+	}
+}
+
+// __END__

src/Convert/Colors.php

@@ -17,6 +17,9 @@ declare(strict_types=1);
 
 namespace CoreLibs\Convert;
 
+use CoreLibs\Convert\Color\Color;
+use CoreLibs\Convert\Color\Coordinates;
+
 class Colors
 {
 	/**
@@ -30,6 +33,7 @@ class Colors
 	 * @param  bool   $hex_prefix default true, prefix with "#"
 	 * @return string             rgb in hex values with leading # if set,
 	 * @throws \LengthException If any argument is not in the range of 0~255
+	 * @deprecated v9.20.0 use: new Coordinates\RGB([$red, $green, $blue]))->returnAsHex(true/false for #)
 	 */
 	public static function rgb2hex(
 		int $red,
@@ -37,20 +41,7 @@ class Colors
 		int $blue,
 		bool $hex_prefix = true
 	): string {
-		$hex_color = '';
-		if ($hex_prefix === true) {
-			$hex_color = '#';
-		}
-		foreach (['red', 'green', 'blue'] as $color) {
-			// if not valid, abort
-			if ($$color < 0 || $$color > 255) {
-				throw new \LengthException('Argument value ' . $$color . ' for color ' . $color
-					. ' is not in the range of 0 to 255', 1);
-			}
-			// pad left with 0
-			$hex_color .= str_pad(dechex($$color), 2, '0', STR_PAD_LEFT);
-		}
-		return $hex_color;
+		return (new Coordinates\RGB([$red, $green, $blue]))->returnAsHex($hex_prefix);
 	}
 
 	/**
@@ -63,32 +54,29 @@ class Colors
 	 *                                        or a string with the seperator
 	 * @throws \InvalidArgumentException if hex string is empty
 	 * @throws \UnexpectedValueException if the hex string value is not valid
+	 * @deprecated v9.20.0 use: new Coordinates\RGB($hex_string) (build string/array from return data)
 	 */
 	public static function hex2rgb(
 		string $hex_string,
 		bool $return_as_string = false,
 		string $seperator = ','
 	): string|array {
-		$hex_string = preg_replace("/[^0-9A-Fa-f]/", '', $hex_string); // Gets a proper hex string
-		if (!is_string($hex_string)) {
-			throw new \InvalidArgumentException('hex_string argument cannot be empty', 1);
-		}
 		$rgbArray = [];
-		if (strlen($hex_string) == 6) {
-			// If a proper hex code, convert using bitwise operation.
-			// No overhead... faster
-			$colorVal = hexdec($hex_string);
-			$rgbArray['r'] = 0xFF & ($colorVal >> 0x10);
-			$rgbArray['g'] = 0xFF & ($colorVal >> 0x8);
-			$rgbArray['b'] = 0xFF & $colorVal;
-		} elseif (strlen($hex_string) == 3) {
-			// If shorthand notation, need some string manipulations
-			$rgbArray['r'] = hexdec(str_repeat(substr($hex_string, 0, 1), 2));
-			$rgbArray['g'] = hexdec(str_repeat(substr($hex_string, 1, 1), 2));
-			$rgbArray['b'] = hexdec(str_repeat(substr($hex_string, 2, 1), 2));
-		} else {
-			// Invalid hex color code
-			throw new \UnexpectedValueException('Invalid hex_string: ' . $hex_string, 2);
+		// rewrite to previous r/g/b key output
+		foreach ((new Coordinates\RGB($hex_string))->returnAsArray() as $p => $el) {
+			$k = '';
+			switch ($p) {
+				case 0:
+					$k = 'r';
+					break;
+				case 1:
+					$k = 'g';
+					break;
+				case 2:
+					$k = 'b';
+					break;
+			}
+			$rgbArray[$k] = (int)round($el);
 		}
 		// returns the rgb string or the associative array
 		return $return_as_string ? implode($seperator, $rgbArray) : $rgbArray;
@@ -105,42 +93,16 @@ class Colors
 	 * @param  int $blue        blue 0-255
 	 * @return array<int|float> Hue, Sat, Brightness/Value
 	 * @throws \LengthException If any argument is not in the range of 0~255
+	 * @deprecated v9.20.0 use: Color::rgbToHsb(...)->returnAsArray() will return float unrounded
 	 */
 	public static function rgb2hsb(int $red, int $green, int $blue): array
 	{
-		// check that rgb is from 0 to 255
-		foreach (['red', 'green', 'blue'] as $color) {
-			if ($$color < 0 || $$color > 255) {
-				throw new \LengthException('Argument value ' . $$color . ' for color ' . $color
-					. ' is not in the range of 0 to 255', 1);
-			}
-			$$color = $$color / 255;
-		}
-
-		$MAX = max($red, $green, $blue);
-		$MIN = min($red, $green, $blue);
-		$HUE = 0;
-
-		if ($MAX == $MIN) {
-			return [0, 0, round($MAX * 100)];
-		}
-		if ($red == $MAX) {
-			$HUE = ($green - $blue) / ($MAX - $MIN);
-		} elseif ($green == $MAX) {
-			$HUE = 2 + (($blue - $red) / ($MAX - $MIN));
-		} elseif ($blue == $MAX) {
-			$HUE = 4 + (($red - $green) / ($MAX - $MIN));
-		}
-		$HUE *= 60;
-		if ($HUE < 0) {
-			$HUE += 360;
-		}
-
-		return [
-			(int)round($HUE),
-			(int)round((($MAX - $MIN) / $MAX) * 100),
-			(int)round($MAX * 100)
-		];
+		return array_map(
+			fn ($v) => (int)round($v),
+			Color::rgbToHsb(
+				new Coordinates\RGB([$red, $green, $blue])
+			)->returnAsArray()
+		);
 	}
 
 	/**
@@ -153,80 +115,16 @@ class Colors
 	 * @param  float $V   brightness/value 0-100 (int)
 	 * @return array<int> 0 red/1 green/2 blue array as 0-255
 	 * @throws \LengthException If any argument is not in the valid range
+	 * @deprecated v9.20.0 use: Color::hsbToRgb(...)->returnAsArray() will return float unrounded
 	 */
 	public static function hsb2rgb(float $H, float $S, float $V): array
 	{
-		// check that H is 0 to 359, 360 = 0
-		// and S and V are 0 to 1
-		if ($H == 360) {
-			$H = 0;
-		}
-		if ($H < 0 || $H > 359) {
-			throw new \LengthException('Argument value ' . $H . ' for hue is not in the range of 0 to 359', 1);
-		}
-		if ($S < 0 || $S > 100) {
-			throw new \LengthException('Argument value ' . $S . ' for saturation is not in the range of 0 to 100', 2);
-		}
-		if ($V < 0 || $V > 100) {
-			throw new \LengthException('Argument value ' . $V . ' for brightness is not in the range of 0 to 100', 3);
-		}
-		// convert to internal 0-1 format
-		$S /= 100;
-		$V /= 100;
-
-		if ($S == 0) {
-			$V = (int)round($V * 255);
-			return [$V, $V, $V];
-		}
-
-		$Hi = floor($H / 60);
-		$f = ($H / 60) - $Hi;
-		$p = $V * (1 - $S);
-		$q = $V * (1 - ($S * $f));
-		$t = $V * (1 - ($S * (1 - $f)));
-
-		switch ($Hi) {
-			case 0:
-				$red = $V;
-				$green = $t;
-				$blue = $p;
-				break;
-			case 1:
-				$red = $q;
-				$green = $V;
-				$blue = $p;
-				break;
-			case 2:
-				$red = $p;
-				$green = $V;
-				$blue = $t;
-				break;
-			case 3:
-				$red = $p;
-				$green = $q;
-				$blue = $V;
-				break;
-			case 4:
-				$red = $t;
-				$green = $p;
-				$blue = $V;
-				break;
-			case 5:
-				$red = $V;
-				$green = $p;
-				$blue = $q;
-				break;
-			default:
-				$red = 0;
-				$green = 0;
-				$blue = 0;
-		}
-
-		return [
-			(int)round($red * 255),
-			(int)round($green * 255),
-			(int)round($blue * 255)
-		];
+		return array_map(
+			fn ($v) => (int)round($v),
+			Color::hsbToRgb(
+				new Coordinates\HSB([$H, $S, $V])
+			)->returnAsArray()
+		);
 	}
 
 	/**
@@ -239,50 +137,16 @@ class Colors
 	 * @param  int $blue    blue 0-255
 	 * @return array<float> hue/sat/luminance
 	 * @throws \LengthException If any argument is not in the range of 0~255
+	 * @deprecated v9.20.0 use: Color::rgbToHsl(...)->returnAsArray() will return float unrounded
 	 */
 	public static function rgb2hsl(int $red, int $green, int $blue): array
 	{
-		// check that rgb is from 0 to 255
-		foreach (['red', 'green', 'blue'] as $color) {
-			if ($$color < 0 || $$color > 255) {
-				throw new \LengthException('Argument value ' . $$color . ' for color ' . $color
-					. ' is not in the range of 0 to 255', 1);
-			}
-			$$color = $$color / 255;
-		}
-
-		$min = min($red, $green, $blue);
-		$max = max($red, $green, $blue);
-		$chroma = $max - $min;
-		$sat = 0;
-		$hue = 0;
-		// luminance
-		$lum = ($max + $min) / 2;
-
-		// achromatic
-		if ($chroma == 0) {
-			// H, S, L
-			return [0.0, 0.0, round($lum * 100, 1)];
-		} else {
-			$sat = $chroma / (1 - abs(2 * $lum - 1));
-			if ($max == $red) {
-				$hue = fmod((($green - $blue) / $chroma), 6);
-				if ($hue < 0) {
-					$hue = (6 - fmod(abs($hue), 6));
-				}
-			} elseif ($max == $green) {
-				$hue = ($blue - $red) / $chroma + 2;
-			} elseif ($max == $blue) {
-				$hue = ($red - $green) / $chroma + 4;
-			}
-			$hue = $hue * 60;
-			// $sat = 1 - abs(2 * $lum - 1);
-			return [
-				round($hue, 1),
-				round($sat * 100, 1),
-				round($lum * 100, 1)
-			];
-		}
+		return array_map(
+			fn ($v) => round($v, 1),
+			Color::rgbToHsl(
+				new Coordinates\RGB([$red, $green, $blue])
+			)->returnAsArray()
+		);
 	}
 
 	/**
@@ -294,57 +158,16 @@ class Colors
 	 * @param  float $lum           luminance: 0-100
 	 * @return array<int,float|int> red/blue/green 0-255 each
 	 * @throws \LengthException If any argument is not in the valid range
+	 * @deprecated v9.20.0 use: Color::hslToRgb(...)->returnAsArray() will return float unrounded
 	 */
 	public static function hsl2rgb(float $hue, float $sat, float $lum): array
 	{
-		if ($hue == 360) {
-			$hue = 0;
-		}
-		if ($hue < 0 || $hue > 359) {
-			throw new \LengthException('Argument value ' . $hue . ' for hue is not in the range of 0 to 359', 1);
-		}
-		if ($sat < 0 || $sat > 100) {
-			throw new \LengthException('Argument value ' . $sat . ' for saturation is not in the range of 0 to 100', 2);
-		}
-		if ($lum < 0 || $lum > 100) {
-			throw new \LengthException('Argument value ' . $lum . ' for luminance is not in the range of 0 to 100', 3);
-		}
-		// calc to internal convert value for hue
-		$hue = (1 / 360) * $hue;
-		// convert to internal 0-1 format
-		$sat /= 100;
-		$lum /= 100;
-		// if saturation is 0
-		if ($sat == 0) {
-			$lum = (int)round($lum * 255);
-			return [$lum, $lum, $lum];
-		} else {
-			$m2 = $lum < 0.5 ? $lum * ($sat + 1) : ($lum + $sat) - ($lum * $sat);
-			$m1 = $lum * 2 - $m2;
-			$hueue = function ($base) use ($m1, $m2) {
-				// base = hue, hue > 360 (1) - 360 (1), else < 0 + 360 (1)
-				$base = $base < 0 ? $base + 1 : ($base > 1 ? $base - 1 : $base);
-				// 6: 60, 2: 180, 3: 240
-				// 2/3 = 240
-				// 1/3 = 120 (all from 360)
-				if ($base * 6 < 1) {
-					return $m1 + ($m2 - $m1) * $base * 6;
-				}
-				if ($base * 2 < 1) {
-					return $m2;
-				}
-				if ($base * 3 < 2) {
-					return $m1 + ($m2 - $m1) * ((2 / 3) - $base) * 6;
-				}
-				return $m1;
-			};
-
-			return [
-				(int)round(255 * $hueue($hue + (1 / 3))),
-				(int)round(255 * $hueue($hue)),
-				(int)round(255 * $hueue($hue - (1 / 3)))
-			];
-		}
+		return array_map(
+			fn ($v) => round($v),
+			Color::hslToRgb(
+				new Coordinates\HSL([$hue, $sat, $lum])
+			)->returnAsArray()
+		);
 	}
 }
 

src/Convert/Encoding.php

@@ -23,14 +23,14 @@ class Encoding
 	 * @param  bool   $auto_check      default true, if source encoding is set
 	 *                                 check that the source is actually matching
 	 *                                 to what we sav the source is
-	 * @return string                  encoding converted string
+	 * @return string|false            encoding converted string or false on error
 	 */
 	public static function convertEncoding(
 		string $string,
 		string $to_encoding,
 		string $source_encoding = '',
 		bool $auto_check = true
-	): string {
+	): string|false {
 		// set if not given
 		if (!$source_encoding) {
 			$source_encoding = mb_detect_encoding($string);

src/Convert/Extends/SetVarTypeMain.php

@@ -52,7 +52,7 @@ class SetVarTypeMain
 	 */
 	protected static function makeStrMain(
 		mixed $val,
-		string $default = null,
+		?string $default = null,
 		bool $to_null = false
 	): ?string {
 		// int/float/string/bool/null, everything else is ignored
@@ -113,7 +113,7 @@ class SetVarTypeMain
 	 */
 	protected static function makeIntMain(
 		mixed $val,
-		int $default = null,
+		?int $default = null,
 		bool $to_null = false
 	): ?int {
 		// if we can filter it to a valid int, we can convert it
@@ -167,7 +167,7 @@ class SetVarTypeMain
 	 */
 	protected static function makeFloatMain(
 		mixed $val,
-		float $default = null,
+		?float $default = null,
 		bool $to_null = false
 	): ?float {
 		if (

src/Convert/Html.php

@@ -10,28 +10,46 @@ namespace CoreLibs\Convert;
 
 class Html
 {
+	/** @var int */
 	public const SELECTED = 0;
+	/** @var int */
 	public const CHECKED = 1;
 
+	// TODO: check for not valid htmlentites encoding
+	// as of PHP 8.4: https://www.php.net/manual/en/function.htmlentities.php
+	/** @#var array<string> */
+	// public const VALID_HTMLENT_ENCODINGS = [];
+
 	/**
 	 * full wrapper for html entities
 	 *
-	 * @param  mixed $string string to html encode
+	 * uses default params as: ENT_QUOTES | ENT_HTML5
+	 * switches from ENT_HTML401 to ENT_HTML5 as we assume all our pages have <!DOCTYPE html>
+	 * removed: ENT_SUBSTITUTE -> wrong characters will be replaced with space
+	 * encodes in UTF-8
+	 * does not double encode
+	 *
+	 * @param  mixed  $string string to html encode
+	 * @param  int    $flags [default=ENT_QUOTES | ENT_HTML5]
+	 * @param  string $encoding [default=UTF-8]
 	 * @return mixed         if string, encoded, else as is (eg null)
 	 */
-	public static function htmlent(mixed $string): mixed
-	{
+	public static function htmlent(
+		mixed $string,
+		int $flags = ENT_QUOTES | ENT_HTML5,
+		string $encoding = 'UTF-8'
+	): mixed {
 		if (is_string($string)) {
-			return htmlentities($string, ENT_COMPAT | ENT_HTML401, 'UTF-8', false);
-		} else {
-			return $string;
+			// if not a valid encoding this will throw a warning and use UTF-8
+			return htmlentities($string, $flags, $encoding, false);
 		}
+		return $string;
 	}
 
 	/**
 	 * strips out all line breaks or replaced with given string
 	 * @param  string $string  string
-	 * @param  string $replace replace character, default ' '
+	 * @param  string $replace [default=' '] replace character
 	 * @return string          cleaned string without any line breaks
 	 */
 	public static function removeLB(string $string, string $replace = ' '): string
@@ -54,14 +72,10 @@ class Html
 	 */
 	public static function checked(array|string $haystack, string $needle, int $type = 0): ?string
 	{
-		if (is_array($haystack)) {
-			if (in_array($needle, $haystack)) {
-				return $type ? 'checked' : 'selected';
-			}
-		} else {
-			if ($haystack == $needle) {
-				return $type ? 'checked' : 'selected';
-			}
+		if (is_array($haystack) && in_array($needle, $haystack)) {
+			return $type ? 'checked' : 'selected';
+		} elseif (!is_array($haystack) && $haystack == $needle) {
+			return $type ? 'checked' : 'selected';
 		}
 		return null;
 	}

src/Convert/Json.php

@@ -55,10 +55,10 @@ class Json
 	 * Deos not throw errors
 	 *
 	 * @param  array<mixed> $data
-	 * @param  int          $flags json_encode flags as is
+	 * @param  int          $flags [JSON_UNESCAPED_UNICODE] json_encode flags as is
 	 * @return string              JSON string or '{}' if false
 	 */
-	public static function jsonConvertArrayTo(array $data, int $flags = 0): string
+	public static function jsonConvertArrayTo(array $data, int $flags = JSON_UNESCAPED_UNICODE): string
 	{
 		$json_string = json_encode($data, $flags) ?: '{}';
 		self::$json_last_error = json_last_error();
@@ -119,6 +119,23 @@ class Json
 		}
 		return $return_string === true ? $json_error_string : self::$json_last_error;
 	}
+
+	/**
+	 * wrapper to call convert array to json with pretty print
+	 *
+	 * @param  array<mixed>  $data
+	 * @return string
+	 */
+	public static function jsonPrettyPrint(array $data): string
+	{
+		return self::jsonConvertArrayTo(
+			$data,
+			JSON_PRETTY_PRINT |
+			JSON_UNESCAPED_LINE_TERMINATORS |
+			JSON_UNESCAPED_SLASHES |
+			JSON_UNESCAPED_UNICODE
+		);
+	}
 }
 
 // __END__

src/Convert/Math.php

@@ -56,6 +56,187 @@ class Math
 			return (float)$number;
 		}
 	}
+
+	/**
+	 * calc cube root
+	 *
+	 * @param  float $number Number to cubic root
+	 * @return float         Calculated value
+	 * @throws \InvalidArgumentException if $number is negative
+	 */
+	public static function cbrt(float|int $number): float
+	{
+		$value = pow((float)$number, 1.0 / 3);
+		if (is_nan($value)) {
+			throw new \InvalidArgumentException('cube root from this number is not supported: ' . $number);
+		}
+		return $value;
+	}
+
+	/**
+	 * use PHP_FLOAT_EPSILON to compare if two float numbers are matching
+	 *
+	 * @param  float $x
+	 * @param  float $y
+	 * @param  float $epsilon [default=PHP_FLOAT_EPSILON]
+	 * @return bool  True equal
+	 */
+	public static function equalWithEpsilon(float $x, float $y, float $epsilon = PHP_FLOAT_EPSILON): bool
+	{
+		if (abs($x - $y) < $epsilon) {
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Compare two value base on direction given
+	 * The default delta is PHP_FLOAT_EPSILON
+	 *
+	 * @param  float  $value
+	 * @param  string $compare
+	 * @param  float  $limit
+	 * @param  float  $epsilon [default=PHP_FLOAT_EPSILON]
+	 * @return bool   True on smaller/large or equal
+	 */
+	public static function compareWithEpsilon(
+		float $value,
+		string $compare,
+		float $limit,
+		float $epsilon = PHP_FLOAT_EPSILON
+	): bool {
+		switch ($compare) {
+			case '<':
+				if ($value < ($limit - $epsilon)) {
+					return true;
+				}
+				break;
+			case '<=':
+				if ($value <= ($limit - $epsilon)) {
+					return true;
+				}
+				break;
+			case '==':
+				return self::equalWithEpsilon($value, $limit, $epsilon);
+			case '>':
+				if ($value > ($limit + $epsilon)) {
+					return true;
+				}
+				break;
+			case '>=':
+				if ($value >= ($limit + $epsilon)) {
+					return true;
+				}
+				break;
+		}
+		return false;
+	}
+
+	/**
+	 * This function is directly inspired by the multiplyMatrices() function in color.js
+	 * form Lea Verou and Chris Lilley.
+	 * (see https://github.com/LeaVerou/color.js/blob/main/src/multiply-matrices.js)
+	 * From:
+	 * https://github.com/matthieumastadenis/couleur/blob/3842cf51c9517e77afaa0a36ec78643a0c258e0b/src/utils/utils.php#L507
+	 *
+	 * It returns an array which is the product of the two number matrices passed as parameters.
+	 *
+	 * NOTE:
+	 * if the right side (B matrix) has a missing row, this row will be fillwed with 0 instead of
+	 * throwing an error:
+	 * A:
+	 * [
+	 *   [1, 2, 3],
+	 *   [4, 5, 6],
+	 * ]
+	 * B:
+	 * [
+	 *   [7, 8, 9],
+	 *   [10, 11, 12],
+	 * ]
+	 * The B will get a third row with [0, 0, 0] added to make the multiplication work as it will be
+	 * rewritten as
+	 * B-rewrite:
+	 * [
+	 *   [7, 10, 0],
+	 *   [8, 11, 12],
+	 *   [0, 0, 0] <- automatically added
+	 * ]
+	 *
+	 * The same is done for unbalanced entries, they are filled with 0
+	 *
+	 * @param  array<float|int|array<int|float>> $a m x n matrice
+	 * @param  array<float|int|array<int|float>> $b n x p matrice
+	 *
+	 * @return array<float|int|array<int|float>>    m x p product
+	 */
+	public static function multiplyMatrices(array $a, array $b): array
+	{
+		$m = count($a);
+
+		if (!is_array($a[0] ?? null)) {
+			// $a is vector, convert to [[a, b, c, ...]]
+			$a = [$a];
+		}
+
+		if (!is_array($b[0])) {
+			// $b is vector, convert to [[a], [b], [c], ...]]
+			$b = array_map(
+				callback: fn ($v) => [ $v ],
+				array: $b,
+			);
+		}
+
+		$p = count($b[0]);
+
+		// transpose $b:
+		// so that we can multiply row by row
+		$bCols = array_map(
+			callback: fn ($k) => array_map(
+				(fn ($i) => is_array($i) ? $i[$k] ?? 0 : 0),
+				$b,
+			),
+			array: array_keys($b[0]),
+		);
+
+		$product = array_map(
+			callback: fn ($row) => array_map(
+				callback: fn ($col) => is_array($row) ?
+					array_reduce(
+						array: $row,
+						// TODO check that v is not an array
+						callback: fn ($a, $v, $i = null) => $a + $v * ( /** @phpstan-ignore-line Possible array + int */
+							// if last entry missing for full copy add a 0 to it
+							$col[$i ?? array_search($v, $row, true)] ?? 0
+						),
+						initial: 0,
+					) :
+					array_reduce(
+						array: $col,
+						// TODO check that v is not an array
+						callback: fn ($a, $v) => $a + $v * $row, /** @phpstan-ignore-line Possible array + int */
+						initial: 0,
+					),
+				array: $bCols,
+			),
+			array: $a,
+		);
+
+		if ($m === 1) {
+			// Avoid [[a, b, c, ...]]:
+			return $product[0];
+		}
+
+		if ($p === 1) {
+			// Avoid [[a], [b], [c], ...]]:
+			return array_map(
+				callback: fn ($v) => $v[0] ?? 0,
+				array: $product,
+			);
+		}
+
+		return $product;
+	}
 }
 
 // __END__

src/Convert/MimeEncode.php

@@ -15,6 +15,7 @@ class MimeEncode
 	/**
 	 * wrapper function for mb mime convert
 	 * for correct conversion with long strings
+	 * NOTE: This is only a wrapper for mb_encode_mimeheader to stay compatible
 	 *
 	 * @param  string $string     string to encode
 	 * @param  string $encoding   target encoding
@@ -29,38 +30,9 @@ class MimeEncode
 		$current_internal_encoding = mb_internal_encoding();
 		// set internal encoding, so the mimeheader encode works correctly
 		mb_internal_encoding($encoding);
-		// if a subject, make a work around for the broken mb_mimencode
-		$pos = 0;
-		// after 36 single bytes characters,
-		// if then comes MB, it is broken
-		// has to 2 x 36 < 74 so the mb_encode_mimeheader
-		// 74 hardcoded split does not get triggered
-		$split = 36;
-		$_string = '';
-		while ($pos < mb_strlen($string, $encoding)) {
-			$output = mb_strimwidth($string, $pos, $split, "", $encoding);
-			$pos += mb_strlen($output, $encoding);
-			// if the strinlen is 0 here, get out of the loop
-			if (!mb_strlen($output, $encoding)) {
-				$pos += mb_strlen($string, $encoding);
-			}
-			$_string_encoded = mb_encode_mimeheader($output, $encoding);
-			// only make linebreaks if we have mime encoded code inside
-			// the space only belongs in the second line
-			if ($_string && preg_match("/^=\?/", $_string_encoded)) {
-				$_string .= $line_break . " ";
-			} elseif (
-				// hack for plain text with space at the end
-				mb_strlen($output, $encoding) == $split &&
-				mb_substr($output, -1, 1, $encoding) == " "
-			) {
-				// if output ends with space, add one more
-				$_string_encoded .= " ";
-			}
-			$_string .= $_string_encoded;
-		}
-		// strip out any spaces BEFORE a line break
-		$string = str_replace(" " . $line_break, $line_break, $_string);
+		// use the internal convert to mime header
+		// it works from PHP 8.2 on
+		$string = mb_encode_mimeheader($string, $encoding, 'B', $line_break);
 		// before we end, reset internal encoding
 		mb_internal_encoding($current_internal_encoding);
 		// return mime encoded string

src/Convert/SetVarTypeNull.php

@@ -35,7 +35,7 @@ class SetVarTypeNull extends Extends\SetVarTypeMain
 	 * @param  string|null $default Default override value
 	 * @return string|null          Input value as string or default as string/null
 	 */
-	public static function makeStr(mixed $val, string $default = null): ?string
+	public static function makeStr(mixed $val, ?string $default = null): ?string
 	{
 		return SetVarTypeMain::makeStrMain($val, $default, true);
 	}
@@ -60,7 +60,7 @@ class SetVarTypeNull extends Extends\SetVarTypeMain
 	 * @param  int|null $default Default override value
 	 * @return int|null          Input value as int or default as int/null
 	 */
-	public static function makeInt(mixed $val, int $default = null): ?int
+	public static function makeInt(mixed $val, ?int $default = null): ?int
 	{
 		return SetVarTypeMain::makeIntMain($val, $default, true);
 	}
@@ -84,7 +84,7 @@ class SetVarTypeNull extends Extends\SetVarTypeMain
 	 * @param  float|null $default Default override value
 	 * @return float|null          Input value as float or default as float/null
 	 */
-	public static function makeFloat(mixed $val, float $default = null): ?float
+	public static function makeFloat(mixed $val, ?float $default = null): ?float
 	{
 		return SetVarTypeMain::makeFloatMain($val, $default, true);
 	}

src/Convert/Strings.php

@@ -8,8 +8,20 @@ declare(strict_types=1);
 
 namespace CoreLibs\Convert;
 
+use CoreLibs\Combined\ArrayHandler;
+
 class Strings
 {
+	/** @var array<int,string> all the preg error messages */
+	public const array PREG_ERROR_MESSAGES = [
+		PREG_NO_ERROR => 'No error',
+		PREG_INTERNAL_ERROR => 'Internal PCRE error',
+		PREG_BACKTRACK_LIMIT_ERROR => 'Backtrack limit exhausted',
+		PREG_RECURSION_LIMIT_ERROR => 'Recursion limit exhausted',
+		PREG_BAD_UTF8_ERROR => 'Malformed UTF-8 data',
+		PREG_BAD_UTF8_OFFSET_ERROR => 'Bad UTF-8 offset',
+		PREG_JIT_STACKLIMIT_ERROR => 'JIT stack limit exhausted'
+	];
 	/**
 	 * return the number of elements in the split list
 	 * 0 if nothing / invalid split
@@ -52,29 +64,42 @@ class Strings
 	 * Note a string LONGER then the maxium will be attached with the LAST
 	 * split character. In above exmaple
 	 * ABCD1234EFGHTOOLONG will be ABCD-1234-EFGH-TOOLONG
+	 * If the characters are NOT ASCII it will return the string as is
 	 *
-	 * @param  string $value            string value to split
+	 * @param  string $string           string value to split
 	 * @param  string $split_format     split format
-	 * @param  string $split_characters list of charcters with which we split
-	 *                                  if not set uses dash ('-')
 	 * @return string                   split formatted string or original value if not chnaged
+	 * @throws \InvalidArgumentException for empty split format, invalid values, split characters or split format
 	 */
 	public static function splitFormatString(
-		string $value,
+		string $string,
 		string $split_format,
-		string $split_characters = '-'
 	): string {
-		if (
-			// abort if split format is empty
-			empty($split_format) ||
-			// if not in the valid ASCII character range for any of the strings
-			preg_match('/[^\x20-\x7e]/', $value) ||
-			// preg_match('/[^\x20-\x7e]/', $split_format) ||
-			preg_match('/[^\x20-\x7e]/', $split_characters) ||
-			// only numbers and split characters in split_format
-			!preg_match("/[0-9" . $split_characters . "]/", $split_format)
-		) {
-			return $value;
+		// skip if string or split format is empty is empty
+		if (empty($string) || empty($split_format)) {
+			return $string;
+		}
+		if (preg_match('/[^\x20-\x7e]/', $string)) {
+			throw new \InvalidArgumentException(
+				"The string to split can only be ascii characters: " . $string
+			);
+		}
+		// get the split characters that are not numerical and check they are ascii
+		$split_characters = self::removeDuplicates(preg_replace('/[0-9]/', '', $split_format) ?: '');
+		if (empty($split_characters)) {
+			throw new \InvalidArgumentException(
+				"A split character must exist in the format string: " . $split_format
+			);
+		}
+		if (preg_match('/[^\x20-\x7e]/', $split_characters)) {
+			throw new \InvalidArgumentException(
+				"The split character has to be a valid ascii character: " . $split_characters
+			);
+		}
+		if (!preg_match("/^[0-9" . $split_characters . "]+$/", $split_format)) {
+			throw new \InvalidArgumentException(
+				"The split format can only be numbers and the split characters: " . $split_format
+			);
 		}
 		// split format list
 		$split_list = preg_split(
@@ -86,14 +111,14 @@ class Strings
 		);
 		// if this is false, or only one array, abort split
 		if (!is_array($split_list) || count($split_list) == 1) {
-			return $value;
+			return $string;
 		}
 		$out = '';
 		$pos = 0;
 		$last_split = '';
 		foreach ($split_list as $offset) {
 			if (is_numeric($offset)) {
-				$_part = substr($value, $pos, (int)$offset);
+				$_part = substr($string, $pos, (int)$offset);
 				if (empty($_part)) {
 					break;
 				}
@@ -104,8 +129,8 @@ class Strings
 				$last_split = $offset;
 			}
 		}
-		if (!empty($out) && $pos < strlen($value)) {
-			$out .= $last_split . substr($value, $pos);
+		if (!empty($out) && $pos < strlen($string)) {
+			$out .= $last_split . substr($string, $pos);
 		}
 		// if last is not alphanumeric remove, remove
 		if (!strcspn(substr($out, -1, 1), $split_characters)) {
@@ -115,9 +140,235 @@ class Strings
 		if (!empty($out)) {
 			return $out;
 		} else {
-			return $value;
+			return $string;
 		}
 	}
+
+	/**
+	 * Split a string into n-length blocks with a split character inbetween
+	 * This is simplified version from splitFormatString that uses
+	 * fixed split length with a characters, this evenly splits the string out into the
+	 * given length
+	 * This works with non ASCII characters too
+	 *
+	 * @param  string $string           string to split
+	 * @param  int    $split_length     split length, must be smaller than string and larger than 0
+	 * @param  string $split_characters [default=-] the character to split, can be more than one
+	 * @return string
+	 * @throws \InvalidArgumentException Thrown if split length style is invalid
+	 */
+	public static function splitFormatStringFixed(
+		string $string,
+		int $split_length,
+		string $split_characters = '-'
+	): string {
+		// if empty string or if split lenght is 0 or empty split characters
+		// then we skip any splitting
+		if (empty($string) || $split_length == 0 || empty($split_characters)) {
+			return $string;
+		}
+		$return_string = '';
+		$string_length = mb_strlen($string);
+		// check that the length is not too short
+		if ($split_length < 1 || $split_length >= $string_length) {
+			throw new \InvalidArgumentException(
+				"The split length must be at least 1 character and less than the string length to split. "
+				. "Split length: " . $split_length . ", string length: " . $string_length
+			);
+		}
+		for ($i = 0; $i < $string_length; $i += $split_length) {
+			$return_string .= mb_substr($string, $i, $split_length) . $split_characters;
+		}
+		// remove last trailing character which is always the split char length
+		return mb_substr($return_string, 0, -1 * mb_strlen($split_characters));
+	}
+
+	/**
+	 * Strip any duplicated slahes from a path
+	 * eg: //foo///bar/foo.inc -> /foo/bar/foo.inc
+	 *
+	 * @param  string $path Path to strip slashes from
+	 * @return string       Clean path, on error returns original path
+	 */
+	public static function stripMultiplePathSlashes(string $path): string
+	{
+		return preg_replace(
+			'#/+#',
+			'/',
+			$path
+		) ?? $path;
+	}
+
+	/**
+	 * Remove UTF8 BOM Byte string from line
+	 * Note: this is often found in CSV files exported from Excel at the first row, first element
+	 *
+	 * @param  string $text
+	 * @return string
+	 */
+	public static function stripUTF8BomBytes(string $text): string
+	{
+		return trim($text, pack('H*', 'EFBBBF'));
+	}
+
+	/**
+	 * Make as string of characters unique
+	 *
+	 * @param  string $string
+	 * @return string
+	 */
+	public static function removeDuplicates(string $string): string
+	{
+		// combine again
+		$result = implode(
+			'',
+			// unique list
+			array_unique(
+				// split into array
+				mb_str_split($string)
+			)
+		);
+
+		return $result;
+	}
+
+	/**
+	 * check if all characters are in set
+	 *
+	 * @param  string $needle   Needle to search
+	 * @param  string $haystack Haystack to search in
+	 * @return bool             True on found, False if not in haystack
+	 */
+	public static function allCharsInSet(string $needle, string $haystack): bool
+	{
+		$input_length = strlen($needle);
+
+		for ($i = 0; $i < $input_length; $i++) {
+			if (strpos($haystack, $needle[$i]) === false) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * converts a list of arrays of strings into a string of unique entries
+	 * input arrays can be nested, only values are used
+	 *
+	 * @param  array<mixed> ...$char_lists
+	 * @return string
+	 */
+	public static function buildCharStringFromLists(array ...$char_lists): string
+	{
+		return implode('', array_unique(
+			ArrayHandler::flattenArray(
+				array_merge(...$char_lists)
+			)
+		));
+	}
+
+	/**
+	 * Split up character ranges in format A-Z, a-z, 0-9
+	 *
+	 * @param  string $input
+	 * @return string[]
+	 */
+	public static function parseCharacterRanges(string $input): array
+	{
+		// if not alphanumeric, throw value error
+		if (!preg_match("/^[A-Za-z0-9\-\s]+$/u", $input)) {
+			throw new \InvalidArgumentException(
+				"The input string contains invalid characters, "
+				. "only alphanumeric, dash (-), space and 'or' are allowed: "
+				. $input
+			);
+		}
+		// Remove all spaces
+		$input = str_replace(' ', '', $input);
+		$result = [];
+		// if there is no - inside, return unique characters as array
+		if (strpos($input, '-') === false) {
+			return array_unique(mb_str_split($input));
+		}
+		// Find all patterns like "A-Z" (character-dash-character)
+		preg_match_all('/(.)-(.)/u', $input, $matches, PREG_SET_ORDER);
+		foreach ($matches as $match) {
+			$start = $match[1];
+			$end = $match[2];
+			// Get ASCII/Unicode values
+			$startOrd = ord($start[0]);
+			$endOrd = ord($end[0]);
+			// make sure start is before end
+			if ($startOrd > $endOrd) {
+				[$startOrd, $endOrd] = [$endOrd, $startOrd];
+			}
+
+			// Generate range of characters
+			for ($i = $startOrd; $i <= $endOrd; $i++) {
+				$char = chr($i);
+				if (!in_array($char, $result)) {
+					$result[] = $char;
+				}
+			}
+		}
+		// make the result unique
+		$result = array_unique($result);
+		return $result;
+	}
+
+	/**
+	 * Check if a regex is valid. Does not return the detail regex parser error
+	 *
+	 * @param  string $pattern Any regex string
+	 * @return bool            False on invalid regex
+	 */
+	public static function isValidRegex(string $pattern): bool
+	{
+		preg_last_error();
+		try {
+			$var = '';
+			@preg_match($pattern, $var);
+			return preg_last_error() === PREG_NO_ERROR;
+		} catch (\Error $e) {
+			return false;
+		}
+	}
+
+	/**
+	 * Returns the last preg error messages as string
+	 * all messages are defined in PREG_ERROR_MESSAGES
+	 *
+	 * @return string
+	 */
+	public static function getLastRegexErrorString(): string
+	{
+		return self::PREG_ERROR_MESSAGES[preg_last_error()] ?? 'Unknown error';
+	}
+
+	/**
+	 * check if a regex is invalid, returns array with flag and error string
+	 *
+	 * @param  string $pattern
+	 * @return array{valid:bool,preg_error:int,error:null|string,pcre_error:null|string}
+	 */
+	public static function validateRegex(string $pattern): array
+	{
+		// Clear any previous PCRE errors
+		preg_last_error();
+		$var = '';
+		if (@preg_match($pattern, $var) === false) {
+			$error = preg_last_error();
+			return [
+				'valid' => false,
+				'preg_error' => $error,
+				'error' => self::PREG_ERROR_MESSAGES[$error] ?? 'Unknown error',
+				'pcre_error' => preg_last_error_msg(),
+			];
+		}
+
+		return ['valid' => true, 'preg_error' => PREG_NO_ERROR, 'error' => null, 'pcre_error' => null];
+	}
 }
 
 // __END__

src/Create/Email.php

@@ -38,6 +38,7 @@ class Email
 	 * @param  string $encoding   Encoding, if not set UTF-8
 	 * @param  bool   $kv_folding If set to true and a valid encoding, do KV folding
 	 * @return string             Correctly encoded and build email string
+	 * @throws \IntlException if email name cannot be converted to UTF-8
 	 */
 	public static function encodeEmailName(
 		string $email,
@@ -52,6 +53,10 @@ class Email
 		if ($encoding != 'UTF-8') {
 			$email_name = mb_convert_encoding($email_name, $encoding, 'UTF-8');
 		}
+		// if we cannot transcode the name, return just the email
+		if ($email_name === false) {
+			throw new \IntlException('Cannot convert email_name to UTF-8');
+		}
 		$email_name =
 			mb_encode_mimeheader(
 				in_array($encoding, self::$encoding_kv_allowed) && $kv_folding ?
@@ -77,6 +82,8 @@ class Email
 	 * @param  bool                 $kv_folding If set to true and a valid encoding,
 	 *                                          do KV folding
 	 * @return array<string>                    Pos 0: Subject, Pos 1: Body
+	 * @throws \IntlException if subject cannot be converted to UTF-8
+	 * @throws \IntlException if body cannot be converted to UTF-8
 	 */
 	private static function replaceContent(
 		string $subject,
@@ -102,6 +109,12 @@ class Email
 			$subject = mb_convert_encoding($subject, $encoding, 'UTF-8');
 			$body = mb_convert_encoding($body, $encoding, 'UTF-8');
 		}
+		if ($subject === false) {
+			throw new \IntlException('Cannot convert subject to UTF-8');
+		}
+		if ($body === false) {
+			throw new \IntlException('Cannot convert body to UTF-8');
+		}
 		// we need to encodde the subject
 		$subject = mb_encode_mimeheader(
 			in_array($encoding, self::$encoding_kv_allowed) && $kv_folding ?

src/Create/Hash.php

@@ -10,9 +10,14 @@ namespace CoreLibs\Create;
 
 class Hash
 {
+	/** @var string default short hash -> deprecated use STANDARD_HASH_SHORT */
 	public const DEFAULT_HASH = 'adler32';
+	/** @var string default long hash (40 chars) */
 	public const STANDARD_HASH_LONG = 'ripemd160';
+	/** @var string default short hash (8 chars) */
 	public const STANDARD_HASH_SHORT = 'adler32';
+	/** @var string this is the standard hash to use hashStd and hash (64 chars) */
+	public const STANDARD_HASH = 'sha256';
 
 	/**
 	 * checks php version and if >=5.2.7 it will flip the string
@@ -20,6 +25,7 @@ class Hash
 	 * hash returns false
 	 * preg_replace fails for older php version
 	 * Use __hash with crc32b or hash('crc32b', ...) for correct output
+	 * For future short hashes use hashShort() instead
 	 *
 	 * @param  string $string string to crc
 	 * @return string         crc32b hash (old type)
@@ -43,19 +49,31 @@ class Hash
 	 * replacement for __crc32b call
 	 *
 	 * @param  string $string  string to hash
-	 * @param  bool   $use_sha use sha instead of crc32b (default false)
+	 * @param  bool   $use_sha [default=false] use sha1 instead of crc32b
 	 * @return string          hash of the string
+	 * @deprecated use __crc32b() for drop in replacement with default, or sha1Short() for use sha true
 	 */
 	public static function __sha1Short(string $string, bool $use_sha = false): string
 	{
 		if ($use_sha) {
-			// return only the first 9 characters
-			return substr(hash('sha1', $string), 0, 9);
+			return self::sha1Short($string);
 		} else {
 			return self::__crc32b($string);
 		}
 	}
 
+	/**
+	 * returns a short sha1
+	 *
+	 * @param  string $string  string to hash
+	 * @return string          hash of the string
+	 */
+	public static function sha1Short(string $string): string
+	{
+		// return only the first 9 characters
+		return substr(hash('sha1', $string), 0, 9);
+	}
+
 	/**
 	 * replacemend for __crc32b call (alternate)
 	 * defaults to adler 32
@@ -63,34 +81,135 @@ class Hash
 	 * all that create 8 char long hashes
 	 *
 	 * @param  string $string    string to hash
-	 * @param  string $hash_type hash type (default adler32)
+	 * @param  string $hash_type [default=STANDARD_HASH_SHORT] hash type (default adler32)
 	 * @return string            hash of the string
+	 * @deprecated use hashShort() of short hashes with adler 32 or hash() for other hash types
 	 */
 	public static function __hash(
 		string $string,
-		string $hash_type = self::DEFAULT_HASH
+		string $hash_type = self::STANDARD_HASH_SHORT
+	): string {
+		return self::hash($string, $hash_type);
+	}
+
+	/**
+	 * check if hash type is valid, returns false if not
+	 *
+	 * @param  string $hash_type
+	 * @return bool
+	 */
+	public static function isValidHashType(string $hash_type): bool
+	{
+		if (!in_array($hash_type, hash_algos())) {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * check if hash hmac type is valid, returns false if not
+	 *
+	 * @param  string $hash_hmac_type
+	 * @return bool
+	 */
+	public static function isValidHashHmacType(string $hash_hmac_type): bool
+	{
+		if (!in_array($hash_hmac_type, hash_hmac_algos())) {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * creates a hash over string if any valid hash given.
+	 * if no hash type set use sha256
+	 *
+	 * @param  string $string    string to hash
+	 * @param  string $hash_type [default=STANDARD_HASH] hash type (default sha256)
+	 * @return string            hash of the string
+	 */
+	public static function hash(
+		string $string,
+		string $hash_type = self::STANDARD_HASH
 	): string {
-		// if not empty, check if in valid list
 		if (
 			empty($hash_type) ||
 			!in_array($hash_type, hash_algos())
 		) {
-			// fallback to default hash type if none set or invalid
-			$hash_type = self::DEFAULT_HASH;
+			// fallback to default hash type if empty or invalid
+			$hash_type = self::STANDARD_HASH;
 		}
 		return hash($hash_type, $string);
 	}
 
 	/**
-	 * Wrapper function for standard long hashd
+	 * creates a hash mac key
+	 *
+	 * @param  string $string    string to hash mac
+	 * @param  string $key       key to use
+	 * @param  string $hash_type [default=STANDARD_HASH]
+	 * @return string            hash mac string
+	 */
+	public static function hashHmac(
+		string $string,
+		#[\SensitiveParameter]
+		string $key,
+		string $hash_type = self::STANDARD_HASH
+	): string {
+		if (
+			empty($hash_type) ||
+			!in_array($hash_type, hash_hmac_algos())
+		) {
+			// fallback to default hash type if e or invalid
+			$hash_type = self::STANDARD_HASH;
+		}
+		return hash_hmac($hash_type, $string, $key);
+	}
+
+	/**
+	 * short hash with max length of 8, uses adler32
+	 *
+	 * @param  string $string string to hash
+	 * @return string         hash of the string
+	 */
+	public static function hashShort(string $string): string
+	{
+		return hash(self::STANDARD_HASH_SHORT, $string);
+	}
+
+	/**
+	 * Wrapper function for standard long hash
+	 *
+	 * @param string $string String to be hashed
+	 * @return string        Hashed string
+	 * @deprecated use hashLong()
+	 */
+	public static function __hashLong(string $string): string
+	{
+		return self::hashLong($string);
+	}
+
+	/**
+	 * Wrapper function for standard long hash, uses ripmd160
 	 *
 	 * @param string $string String to be hashed
 	 * @return string        Hashed string
 	 */
-	public static function __hashLong(string $string): string
+	public static function hashLong(string $string): string
 	{
 		return hash(self::STANDARD_HASH_LONG, $string);
 	}
+
+	/**
+	 * create standard hash basd on STANDAR_HASH, currently sha256
+	 *
+	 * @param  string $string string in
+	 * @return string         hash of the string
+	 */
+	public static function hashStd(string $string): string
+	{
+		return self::hash($string, self::STANDARD_HASH);
+	}
 }
 
 // __END__

src/Create/RandomKey.php

@@ -8,39 +8,97 @@ declare(strict_types=1);
 
 namespace CoreLibs\Create;
 
+use CoreLibs\Convert\Strings;
+
 class RandomKey
 {
+	/** @var int set the default key length it nothing else is set */
+	public const int KEY_LENGTH_DEFAULT = 4;
+	/** @var int the maximum key length allowed */
+	public const int KEY_LENGTH_MAX = 256;
+	/** @var string the default characters in the key range */
+	public const string KEY_CHARACTER_RANGE_DEFAULT =
+		'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+		. 'abcdefghijklmnopqrstuvwxyz'
+		. '0123456789';
 	// key generation
-	/** @var string */
-	private static string $key_range = '';
-	/** @var int */
-	private static int $one_key_length;
-	/** @var int */
-	private static int $key_length = 4; // default key length
-	/** @var int */
-	private static int $max_key_length = 256; // max allowed length
+	/** @var string all the characters that are int he current radnom key range */
+	private static string $key_character_range = '';
+	/** @var int character count in they key character range */
+	private static int $key_character_range_length = 0;
+	/** @var int default key lenghth */
+	/** @deprecated Will be removed, as setting has moved to randomKeyGen */
+	private static int $key_length = 4;
 
 	/**
 	 * if launched as class, init random key data first
+	 *
+	 * @param  array<string>  ...$key_range
 	 */
-	public function __construct()
+	public function __construct(array ...$key_range)
 	{
-		$this->initRandomKeyData();
+		$this->setRandomKeyData(...$key_range);
 	}
+
+	/**
+	 * internal key range validation
+	 *
+	 * @param  array<string>  ...$key_range
+	 * @return string
+	 */
+	private static function validateRandomKeyData(array ...$key_range): string
+	{
+		$key_character_range = Strings::buildCharStringFromLists(...$key_range);
+		if (strlen(self::$key_character_range) <= 1) {
+			return '';
+		}
+		return $key_character_range;
+	}
+
 	/**
 	 * sets the random key range with the default values
 	 *
+	 * @param  array<string> $key_range a list of key ranges as array
 	 * @return void has no return
+	 * @throws \LengthException If the string length is only 1 abort
 	 */
-	private static function initRandomKeyData(): void
+	public static function setRandomKeyData(array ...$key_range): void
 	{
-		// random key generation base string
-		self::$key_range = join('', array_merge(
-			range('A', 'Z'),
-			range('a', 'z'),
-			range('0', '9')
-		));
-		self::$one_key_length = strlen(self::$key_range);
+		// if key range is not set
+		if (!count($key_range)) {
+			self::$key_character_range = self::KEY_CHARACTER_RANGE_DEFAULT;
+		} else {
+			self::$key_character_range = self::validateRandomKeyData(...$key_range);
+			// random key generation base string
+		}
+		self::$key_character_range_length = strlen(self::$key_character_range);
+		if (self::$key_character_range_length <= 1) {
+			throw new \LengthException(
+				"The given key character range '" . self::$key_character_range . "' "
+				. "is too small, must be at lest two characters: "
+				. self::$key_character_range_length
+			);
+		}
+	}
+
+	/**
+	 * get the characters for the current key characters
+	 *
+	 * @return string
+	 */
+	public static function getRandomKeyData(): string
+	{
+		return self::$key_character_range;
+	}
+
+	/**
+	 * get the length of all random characters
+	 *
+	 * @return int
+	 */
+	public static function getRandomKeyDataLength(): int
+	{
+		return self::$key_character_range_length;
 	}
 
 	/**
@@ -49,11 +107,11 @@ class RandomKey
 	 * @param  int  $key_length key length
 	 * @return bool             true for valid, false for invalid length
 	 */
-	private static function validateRandomKeyLenght(int $key_length): bool
+	private static function validateRandomKeyLength(int $key_length): bool
 	{
 		if (
 			$key_length > 0 &&
-			$key_length <= self::$max_key_length
+			$key_length <= self::KEY_LENGTH_MAX
 		) {
 			return true;
 		} else {
@@ -67,11 +125,12 @@ class RandomKey
 	 *
 	 * @param  int  $key_length key length
 	 * @return bool             true/false for set status
+	 * @deprecated This function does no longer set the key length, the randomKeyGen parameter has to be used
 	 */
 	public static function setRandomKeyLength(int $key_length): bool
 	{
 		// only if valid int key with valid length
-		if (self::validateRandomKeyLenght($key_length) === true) {
+		if (self::validateRandomKeyLength($key_length) === true) {
 			self::$key_length = $key_length;
 			return true;
 		} else {
@@ -83,6 +142,7 @@ class RandomKey
 	 * get the current set random key length
 	 *
 	 * @return int Current set key length
+	 * @deprecated Key length is set during randomKeyGen call, this nethid is deprecated
 	 */
 	public static function getRandomKeyLength(): int
 	{
@@ -94,28 +154,37 @@ class RandomKey
 	 * if override key length is set, it will check on valid key and use this
 	 * this will not set the class key length variable
 	 *
-	 * @param  int    $key_length key length override, -1 for use default
-	 * @return string             random key
+	 * @param  int           $key_length [default=-1] key length override,
+	 *                                   if not set use default [LEGACY]
+	 * @param  array<string> $key_range  a list of key ranges as array,
+	 *                                   if not set use previous set data
+	 * @return string                    random key
 	 */
-	public static function randomKeyGen(int $key_length = -1): string
-	{
-		// init random key strings if not set
-		if (
-			!isset(self::$one_key_length)
-		) {
-			self::initRandomKeyData();
-		}
-		$use_key_length = 0;
-		// only if valid int key with valid length
-		if (self::validateRandomKeyLenght($key_length) === true) {
-			$use_key_length = $key_length;
+	public static function randomKeyGen(
+		int $key_length = self::KEY_LENGTH_DEFAULT,
+		array ...$key_range
+	): string {
+		$key_character_range = '';
+		if (count($key_range)) {
+			$key_character_range = self::validateRandomKeyData(...$key_range);
+			$key_character_range_length = strlen($key_character_range);
 		} else {
-			$use_key_length = self::$key_length;
+			if (!self::$key_character_range_length) {
+				self::setRandomKeyData();
+			}
+			$key_character_range = self::getRandomKeyData();
+			$key_character_range_length = self::getRandomKeyDataLength();
+		}
+		// if not valid key length, fallback to default
+		if (!self::validateRandomKeyLength($key_length)) {
+			$key_length = self::KEY_LENGTH_DEFAULT;
 		}
 		// create random string
 		$random_string = '';
-		for ($i = 1; $i <= $use_key_length; $i++) {
-			$random_string .= self::$key_range[random_int(0, self::$one_key_length - 1)];
+		for ($i = 1; $i <= $key_length; $i++) {
+			$random_string .= $key_character_range[
+				random_int(0, $key_character_range_length - 1)
+			];
 		}
 		return $random_string;
 	}

src/Create/Session.php

@@ -15,17 +15,111 @@ namespace CoreLibs\Create;
 
 class Session
 {
+	/** @var string current session name */
+	private string $session_name = '';
+	/** @var string current session id */
+	private string $session_id = '';
+	/** @var bool flag auto write close */
+	private bool $auto_write_close = false;
+	/** @var string regenerate option, default never */
+	private string $regenerate = 'never';
+	/** @var int regenerate interval either 1 to 100 for random or 0 to 3600 for interval */
+	private int $regenerate_interval = 0;
+
+	/** @var array<string> allowed session id regenerate (rotate) options */
+	private const ALLOWED_REGENERATE_OPTIONS = ['none', 'random', 'interval'];
+	/** @var int default random interval */
+	public const DEFAULT_REGENERATE_RANDOM = 100;
+	/** @var int default rotate internval in minutes */
+	public const DEFAULT_REGENERATE_INTERVAL = 5 * 60;
+	/** @var int maximum time for regenerate interval is one hour */
+	public const MAX_REGENERATE_INTERAL = 60 * 60;
+
 	/**
 	 * init a session, if array is empty or array does not have session_name set
 	 * then no auto init is run
 	 *
 	 * @param string $session_name if set and not empty, will start session
+	 * @param array{auto_write_close?:bool,session_strict?:bool,regenerate?:string,regenerate_interval?:int} $options
 	 */
-	public function __construct(string $session_name = '')
+	public function __construct(
+		string $session_name,
+		array $options = []
+	) {
+		$this->setOptions($options);
+		$this->initSession($session_name);
+	}
+
+	// MARK: private methods
+
+	/**
+	 * set session class options
+	 *
+	 * @param array{auto_write_close?:bool,session_strict?:bool,regenerate?:string,regenerate_interval?:int} $options
+	 * @return void
+	 */
+	private function setOptions(array $options): void
 	{
-		if (!empty($session_name)) {
-			$this->startSession($session_name);
+		if (
+			!isset($options['auto_write_close']) ||
+			!is_bool($options['auto_write_close'])
+		) {
+			$options['auto_write_close'] = false;
 		}
+		$this->auto_write_close = $options['auto_write_close'];
+		if (
+			!isset($options['session_strict']) ||
+			!is_bool($options['session_strict'])
+		) {
+			$options['session_strict'] = true;
+		}
+		// set strict options, on not started sessiononly
+		if (
+			$options['session_strict'] &&
+			$this->getSessionStatus() === PHP_SESSION_NONE
+		) {
+			// use cookies to store session IDs
+			ini_set('session.use_cookies', 1);
+			// use cookies only (do not send session IDs in URLs)
+			ini_set('session.use_only_cookies', 1);
+			// do not send session IDs in URLs
+			ini_set('session.use_trans_sid', 0);
+		}
+		// session regenerate id options
+		if (
+			empty($options['regenerate']) ||
+			!in_array($options['regenerate'], self::ALLOWED_REGENERATE_OPTIONS)
+		) {
+			$options['regenerate'] = 'never';
+		}
+		$this->regenerate = (string)$options['regenerate'];
+		// for regenerate: 'random' (default 100)
+		// regenerate_interval must be between (1 = always) and 100 (1 in 100)
+		// for regenerate: 'interval' (default 5min)
+		// regenerate_interval must be 0 = always, to 3600 (every hour)
+		if (
+			$options['regenerate'] == 'random' &&
+			(
+				!isset($options['regenerate_interval']) ||
+				!is_numeric($options['regenerate_interval']) ||
+				$options['regenerate_interval'] < 0 ||
+				$options['regenerate_interval'] > 100
+			)
+		) {
+			$options['regenerate_interval'] = self::DEFAULT_REGENERATE_RANDOM;
+		}
+		if (
+			$options['regenerate'] == 'interval' &&
+			(
+				!isset($options['regenerate_interval']) ||
+				!is_numeric($options['regenerate_interval']) ||
+				$options['regenerate_interval'] < 1 ||
+				$options['regenerate_interval'] > self::MAX_REGENERATE_INTERAL
+			)
+		) {
+			$options['regenerate_interval'] = self::DEFAULT_REGENERATE_INTERVAL;
+		}
+		$this->regenerate_interval = (int)($options['regenerate_interval'] ?? 0);
 	}
 
 	/**
@@ -36,38 +130,100 @@ class Session
 	 *
 	 * @return void
 	 */
-	protected function startSessionCall(): void
+	private function startSessionCall(): void
 	{
 		session_start();
 	}
 
 	/**
-	 * check if we are in CLI, we set this, so we can mock this
-	 * Not this is just a wrapper for the static System::checkCLI call
+	 * get current set session id or false if none started
 	 *
-	 * @return bool True if we are in a CLI enviroment, or false for everything else
+	 * @return string|false
 	 */
-	public function checkCliStatus(): bool
+	public function getSessionIdCall(): string|false
 	{
-		return \CoreLibs\Get\System::checkCLI();
+		return session_id();
 	}
 
 	/**
-	 * Set session name call. If not valid session name, will return false
+	 * automatically closes a session if the auto write close flag is set
 	 *
-	 * @param  string $session_name A valid string for session name
-	 * @return bool                 True if session name is valid,
-	 *                              False if not
+	 * @return bool
 	 */
-	public function setSessionName(string $session_name): bool
+	private function closeSessionCall(): bool
 	{
-		if (!$this->checkValidSessionName($session_name)) {
-			return false;
+		if ($this->auto_write_close) {
+			return $this->writeClose();
 		}
-		session_name($session_name);
-		return true;
+		return false;
 	}
 
+	// MARK: regenerate session
+
+	/**
+	 * auto rotate session id
+	 *
+	 * @return void
+	 * @throws \RuntimeException failure to regenerate session id
+	 * @throws \UnexpectedValueException failed to get new session id
+	 * @throws \RuntimeException failed to set new sesson id
+	 * @throws \UnexpectedValueException new session id generated does not match the new set one
+	 */
+	private function sessionRegenerateSessionId()
+	{
+		// never
+		if ($this->regenerate == 'never') {
+			return;
+		}
+		// regenerate
+		if (
+			!(
+				// is not session obsolete
+				empty($_SESSION['SESSION_REGENERATE_OBSOLETE']) &&
+				(
+					(
+						// random
+						$this->regenerate == 'random' &&
+						mt_rand(1, $this->regenerate_interval) == 1
+					) || (
+						// interval type
+						$this->regenerate == 'interval' &&
+						($_SESSION['SESSION_REGENERATE_TIMESTAMP'] ?? 0) + $this->regenerate_interval < time()
+					)
+				)
+			)
+		) {
+			return;
+		}
+		// Set current session to expire in 1 minute
+		$_SESSION['SESSION_REGENERATE_OBSOLETE'] = true;
+		$_SESSION['SESSION_REGENERATE_EXPIRES'] = time() + 60;
+		$_SESSION['SESSION_REGENERATE_TIMESTAMP'] = time();
+		// Create new session without destroying the old one
+		if (session_regenerate_id(false) === false) {
+			throw new \RuntimeException('[SESSION] Session id regeneration failed', 1);
+		}
+		// Grab current session ID and close both sessions to allow other scripts to use them
+		if (false === ($new_session_id = $this->getSessionIdCall())) {
+			throw new \UnexpectedValueException('[SESSION] getSessionIdCall did not return a session id', 2);
+		}
+		$this->writeClose();
+		// Set session ID to the new one, and start it back up again
+		if (($get_new_session_id = session_id($new_session_id)) === false) {
+			throw new \RuntimeException('[SESSION] set session_id failed', 3);
+		}
+		if ($get_new_session_id != $new_session_id) {
+			throw new \UnexpectedValueException('[SESSION] new session id does not match the new set one', 4);
+		}
+		$this->session_id = $new_session_id;
+		$this->startSessionCall();
+		// Don't want this one to expire
+		unset($_SESSION['SESSION_REGENERATE_OBSOLETE']);
+		unset($_SESSION['SESSION_REGENERATE_EXPIRES']);
+	}
+
+	// MARK: session validation
+
 	/**
 	 * check if session name is valid
 	 *
@@ -94,15 +250,34 @@ class Session
 	}
 
 	/**
-	 * start session with given session name if set
+	 * validate _SESSION key, must be valid variable
+	 *
+	 * @param  int|float|string $key
+	 * @return true
+	 */
+	private function checkValidSessionEntryKey(int|float|string $key): true
+	{
+		if (!is_string($key) || is_numeric($key)) {
+			throw new \UnexpectedValueException(
+				'[SESSION] Given key for _SESSION is not a valid value for a varaible: ' . $key,
+				1
+			);
+		}
+		return true;
+	}
+
+	// MARK: init session (on class start)
+
+	/**
+	 * stinitart session with given session name if set
 	 * aborts on command line or if sessions are not enabled
 	 * also aborts if session cannot be started
 	 * On sucess returns the session id
 	 *
-	 * @param string|null $session_name
-	 * @return string|bool
+	 * @param string $session_name
+	 * @return void
 	 */
-	public function startSession(?string $session_name = null): string|bool
+	private function initSession(string $session_name): void
 	{
 		// we can't start sessions on command line
 		if ($this->checkCliStatus()) {
@@ -115,39 +290,95 @@ class Session
 		// session_status
 		// initial the session if there is no session running already
 		if (!$this->checkActiveSession()) {
-			// if session name is emtpy, check if there is a global set
-			// this is a deprecated fallback
-			$session_name = $session_name ?? $GLOBALS['SET_SESSION_NAME'] ?? '';
-			// DEPRECTED: constant SET_SESSION_NAME is no longer used
-			// if set, set special session name
-			if (!empty($session_name)) {
-				// invalid session name, abort
-				if (!$this->checkValidSessionName($session_name)) {
-					throw new \UnexpectedValueException('[SESSION] Invalid session name: ' . $session_name, 3);
-				}
-				$this->setSessionName($session_name);
+			// invalid session name, abort
+			if (!$this->checkValidSessionName($session_name)) {
+				throw new \UnexpectedValueException('[SESSION] Invalid session name: ' . $this->session_name, 3);
 			}
+			// set session name
+			$this->session_name = $session_name;
+			session_name($this->session_name);
 			// start session
 			$this->startSessionCall();
+			// if we faild to start the session
+			if (!$this->checkActiveSession()) {
+				throw new \RuntimeException('[SESSION] Failed to activate session', 5);
+			}
+			if (
+				!empty($_SESSION['SESSION_REGENERATE_OBSOLETE']) &&
+				!empty($_SESSION['SESSION_REGENERATE_EXPIRES']) && $_SESSION['SESSION_REGENERATE_EXPIRES'] < time()
+			) {
+				$this->sessionDestroy();
+				throw new \RuntimeException('[SESSION] Expired session found', 6);
+			}
+		} elseif ($session_name != $this->getSessionName()) {
+			throw new \UnexpectedValueException(
+				'[SESSION] Another session exists with a different name: ' . $this->getSessionName(),
+				4
+			);
 		}
-		// if we still have no active session
+		// check session id
+		if (false === ($session_id = $this->getSessionIdCall())) {
+			throw new \UnexpectedValueException('[SESSION] getSessionIdCall did not return a session id', 7);
+		}
+		// set session id
+		$this->session_id = $session_id;
+		// run session id re-create from time to time
+		$this->sessionRegenerateSessionId();
+		// if flagged auto close, write close session
+		if ($this->auto_write_close) {
+			$this->writeClose();
+		}
+	}
+
+	// MARK: public set/get status
+
+	/**
+	 * start session, will only run after initSession
+	 *
+	 * @return bool True if started, False if alrady running
+	 */
+	public function restartSession(): bool
+	{
 		if (!$this->checkActiveSession()) {
-			throw new \RuntimeException('[SESSION] Failed to activate session', 4);
+			if (empty($this->session_name)) {
+				throw new \RuntimeException('[SESSION] Cannot restart session without a session name', 1);
+			}
+			$this->startSessionCall();
+			return true;
 		}
-		if (false === ($session_id = $this->getSessionId())) {
-			throw new \UnexpectedValueException('[SESSION] getSessionId did not return a session id', 5);
-		}
-		return $session_id;
+		return false;
 	}
 
 	/**
-	 * get current set session id or false if none started
+	 * current set session id
 	 *
-	 * @return string|bool
+	 * @return string
 	 */
-	public function getSessionId(): string|bool
+	public function getSessionId(): string
 	{
-		return session_id();
+		return $this->session_id;
+	}
+
+	/**
+	 * set the auto write close flag
+	 *
+	 * @param  bool $flag
+	 * @return Session
+	 */
+	public function setAutoWriteClose(bool $flag): Session
+	{
+		$this->auto_write_close = $flag;
+		return $this;
+	}
+
+	/**
+	 * return the auto write close flag
+	 *
+	 * @return bool
+	 */
+	public function checkAutoWriteClose(): bool
+	{
+		return $this->auto_write_close;
 	}
 
 	/**
@@ -175,6 +406,34 @@ class Session
 		}
 	}
 
+	/**
+	 * check if we are in CLI, we set this, so we can mock this
+	 * Not this is just a wrapper for the static System::checkCLI call
+	 *
+	 * @return bool True if we are in a CLI enviroment, or false for everything else
+	 */
+	public function checkCliStatus(): bool
+	{
+		return \CoreLibs\Get\System::checkCLI();
+	}
+
+	/**
+	 * get session status
+	 * PHP_SESSION_DISABLED if sessions are disabled.
+	 * PHP_SESSION_NONE if sessions are enabled, but none exists.
+	 * PHP_SESSION_ACTIVE if sessions are enabled, and one exists.
+	 *
+	 * https://www.php.net/manual/en/function.session-status.php
+	 *
+	 * @return int See possible return int values above
+	 */
+	public function getSessionStatus(): int
+	{
+		return session_status();
+	}
+
+	// MARK: write close session
+
 	/**
 	 * unlock the session file, so concurrent AJAX requests can be done
 	 * NOTE: after this has been called, no changes in _SESSION will be stored
@@ -188,17 +447,24 @@ class Session
 		return session_write_close();
 	}
 
+	// MARK: session close and clean up
+
 	/**
 	 * Proper destroy a session
 	 * - unset the _SESSION array
 	 * - unset cookie if cookie on and we have not strict mode
+	 * - unset session_name and session_id internal vars
 	 * - destroy session
 	 *
-	 * @return bool
+	 * @return bool True on successful session destroy
 	 */
 	public function sessionDestroy(): bool
 	{
-		$_SESSION = [];
+		// abort to false if not unsetable
+		if (!session_unset()) {
+			return false;
+		}
+		$this->clear();
 		if (
 			ini_get('session.use_cookies') &&
 			!ini_get('session.use_strict_mode')
@@ -218,68 +484,93 @@ class Session
 				$params['httponly']
 			);
 		}
+		// unset internal vars
+		$this->session_name = '';
+		$this->session_id = '';
 		return session_destroy();
 	}
 
-	/**
-	 * get session status
-	 * PHP_SESSION_DISABLED if sessions are disabled.
-	 * PHP_SESSION_NONE if sessions are enabled, but none exists.
-	 * PHP_SESSION_ACTIVE if sessions are enabled, and one exists.
-	 *
-	 * https://www.php.net/manual/en/function.session-status.php
-	 *
-	 * @return int See possible return int values above
-	 */
-	public function getSessionStatus(): int
-	{
-		return session_status();
-	}
-
-	// _SESSION set/unset methods
+	// MARK: _SESSION set/unset methods
 
 	/**
 	 * unset all _SESSION entries
 	 *
 	 * @return void
 	 */
-	public function unsetAllS(): void
+	public function clear(): void
 	{
-		foreach (array_keys($_SESSION ?? []) as $name) {
-			unset($_SESSION[$name]);
+		$this->restartSession();
+		if (!session_unset()) {
+			throw new \RuntimeException('[SESSION] Cannot unset session vars', 1);
 		}
+		if (!empty($_SESSION)) {
+			$_SESSION = [];
+		}
+		$this->closeSessionCall();
 	}
 
 	/**
 	 * set _SESSION entry 'name' with any value
 	 *
-	 * @param  string|int $name  array name in _SESSION
-	 * @param  mixed      $value value to set (can be anything)
+	 * @param  string $name  array name in _SESSION
+	 * @param  mixed  $value value to set (can be anything)
+	 * @return Session
+	 */
+	public function set(string $name, mixed $value): Session
+	{
+		$this->checkValidSessionEntryKey($name);
+		$this->restartSession();
+		$_SESSION[$name] = $value;
+		$this->closeSessionCall();
+		return $this;
+	}
+
+	/**
+	 * set many session entries in one set
+	 *
+	 * @param  array<string,mixed> $set key is the key in the _SESSION, value is any data to set
 	 * @return void
 	 */
-	public function setS(string|int $name, mixed $value): void
+	public function setMany(array $set): void
 	{
-		$_SESSION[$name] = $value;
+		$this->restartSession();
+		// skip any that are not valid
+		foreach ($set as $key => $value) {
+			$this->checkValidSessionEntryKey($key);
+			$_SESSION[$key] = $value;
+		}
+		$this->closeSessionCall();
 	}
 
 	/**
 	 * get _SESSION 'name' entry or empty string if not set
 	 *
-	 * @param  string|int $name value key to get from _SESSION
-	 * @return mixed            value stored in _SESSION
+	 * @param  string $name value key to get from _SESSION
+	 * @return mixed        value stored in _SESSION, if not found set to null
 	 */
-	public function getS(string|int $name): mixed
+	public function get(string $name): mixed
 	{
-		return $_SESSION[$name] ?? '';
+		return $_SESSION[$name] ?? null;
+	}
+
+	/**
+	 * get multiple session entries
+	 *
+	 * @param  array<string> $set
+	 * @return array<string,mixed>
+	 */
+	public function getMany(array $set): array
+	{
+		return array_intersect_key($_SESSION, array_flip($set));
 	}
 
 	/**
 	 * Check if a name is set in the _SESSION array
 	 *
-	 * @param  string|int $name Name to check for
-	 * @return bool             True for set, False fornot set
+	 * @param  string $name Name to check for
+	 * @return bool                   True for set, False fornot set
 	 */
-	public function issetS(string|int $name): bool
+	public function isset(string $name): bool
 	{
 		return isset($_SESSION[$name]);
 	}
@@ -287,67 +578,36 @@ class Session
 	/**
 	 * unset one _SESSION entry 'name' if exists
 	 *
-	 * @param  string|int $name _SESSION key name to remove
+	 * @param  string $name _SESSION key name to remove
+	 * @return Session
+	 */
+	public function unset(string $name): Session
+	{
+		if (!isset($_SESSION[$name])) {
+			return $this;
+		}
+		$this->restartSession();
+		unset($_SESSION[$name]);
+		$this->closeSessionCall();
+		return $this;
+	}
+
+	/**
+	 * reset many session entry
+	 *
+	 * @param  array<string> $set list of session keys to reset
 	 * @return void
 	 */
-	public function unsetS(string|int $name): void
+	public function unsetMany(array $set): void
 	{
-		if (isset($_SESSION[$name])) {
-			unset($_SESSION[$name]);
-		}
-	}
-
-	// set/get below
-	// ->var = value;
-
-	/**
-	 * Undocumented function
-	 *
-	 * @param  string|int $name
-	 * @param  mixed      $value
-	 * @return void
-	 */
-	public function __set(string|int $name, mixed $value): void
-	{
-		$_SESSION[$name] = $value;
-	}
-
-	/**
-	 * Undocumented function
-	 *
-	 * @param  string|int $name
-	 * @return mixed            If name is not found, it will return null
-	 */
-	public function __get(string|int $name): mixed
-	{
-		if (isset($_SESSION[$name])) {
-			return $_SESSION[$name];
-		}
-		return null;
-	}
-
-	/**
-	 * Undocumented function
-	 *
-	 * @param  string|int $name
-	 * @return bool
-	 */
-	public function __isset(string|int $name): bool
-	{
-		return isset($_SESSION[$name]);
-	}
-
-	/**
-	 * Undocumented function
-	 *
-	 * @param  string|int $name
-	 * @return void
-	 */
-	public function __unset(string|int $name): void
-	{
-		if (isset($_SESSION[$name])) {
-			unset($_SESSION[$name]);
+		$this->restartSession();
+		foreach ($set as $key) {
+			if (!isset($_SESSION[$key])) {
+				continue;
+			}
+			unset($_SESSION[$key]);
 		}
+		$this->closeSessionCall();
 	}
 }
 

src/Create/Uids.php

@@ -38,7 +38,7 @@ class Uids
 			$uniqid_length++;
 		}
 		/** @var int<1,max> make sure that internal this is correct */
-		$random_bytes_length = ($uniqid_length - ($uniqid_length % 2)) / 2;
+		$random_bytes_length = (int)(($uniqid_length - ($uniqid_length % 2)) / 2);
 		$uniqid = bin2hex(random_bytes($random_bytes_length));
 		// if not forced shorten return next lower length
 		if (!$force_length) {
@@ -56,26 +56,6 @@ class Uids
 	 */
 	public static function uuidv4(): string
 	{
-		/* return sprintf(
-			'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
-			// 32 bits for "time_low"
-			mt_rand(0, 0xffff),
-			mt_rand(0, 0xffff),
-			// 16 bits for "time_mid"
-			mt_rand(0, 0xffff),
-			// 16 bits for "time_hi_and_version",
-			// four most significant bits holds version number 4
-			mt_rand(0, 0x0fff) | 0x4000,
-			// 16 bits, 8 bits for "clk_seq_hi_res",
-			// 8 bits for "clk_seq_low",
-			// two most significant bits holds zero and one for variant DCE1.1
-			mt_rand(0, 0x3fff) | 0x8000,
-			// 48 bits for "node"
-			mt_rand(0, 0xffff),
-			mt_rand(0, 0xffff),
-			mt_rand(0, 0xffff)
-		); */
-
 		$data = random_bytes(16);
 		assert(strlen($data) == 16);
 
@@ -93,6 +73,20 @@ class Uids
 		return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
 	}
 
+	/**
+	 * regex validate uuid v4
+	 *
+	 * @param  string $uuidv4
+	 * @return bool
+	 */
+	public static function validateUuuidv4(string $uuidv4): bool
+	{
+		if (!preg_match("/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i", $uuidv4)) {
+			return false;
+		}
+		return true;
+	}
+
 	/**
 	 * creates a uniq id based on lengths
 	 *

src/DB/Extended/ArrayIO.php

@@ -39,9 +39,9 @@ class ArrayIO extends \CoreLibs\DB\IO
 {
 	// main calss variables
 	/** @var array<mixed> */
-	private array $table_array; // the array from the table to work on
+	private array $table_array = []; // the array from the table to work on
 	/** @var string */
-	private string $table_name; // the table_name
+	private string $table_name = ''; // the table_name
 	/** @var string */
 	private string $pk_name = ''; // the primary key from this table
 	/** @var int|string|null */
@@ -55,7 +55,7 @@ class ArrayIO extends \CoreLibs\DB\IO
 	 * primary key name automatically (from array)
 	 *
 	 * phpcs:ignore
-	 * @param array{db_name:string,db_user:string,db_pass:string,db_host:string,db_port:int,db_schema:string,db_encoding:string,db_type:string,db_ssl:string,db_convert_type?:string[]} $db_config db connection config
+	 * @param array{db_name:string,db_user:string,db_pass:string,db_host:string,db_port:int,db_schema:string,db_encoding:string,db_type:string,db_ssl:string,db_convert_type?:string[],db_convert_placeholder?:bool,db_convert_placeholder_target?:string,db_debug_replace_placeholder?:bool} $db_config db connection config
 	 * @param array<mixed> $table_array    table array config
 	 * @param string       $table_name     table name string
 	 * @param \CoreLibs\Logging\Logging $log Logging class
@@ -127,9 +127,9 @@ class ArrayIO extends \CoreLibs\DB\IO
 	public function getTableArray(bool $reset = false): array
 	{
 		if (!$reset) {
-			return $this->table_array ?? [];
+			return $this->table_array;
 		}
-		$table_array = $this->table_array ?? [];
+		$table_array = $this->table_array;
 		reset($table_array);
 		return $table_array;
 	}
@@ -194,7 +194,7 @@ class ArrayIO extends \CoreLibs\DB\IO
 	 */
 	public function getTableName(): string
 	{
-		return $this->table_name ?? '';
+		return $this->table_name;
 	}
 
 	/**
@@ -236,7 +236,7 @@ class ArrayIO extends \CoreLibs\DB\IO
 	 */
 	public function getPkId(): int|string|null
 	{
-		return $this->pk_id;
+		return $this->pk_id ?? null;
 	}
 
 	/**
@@ -374,7 +374,7 @@ class ArrayIO extends \CoreLibs\DB\IO
 	public function dbDelete(array $table_array = [], bool $acl_limit = false): array
 	{
 		// is array and has values, override set and set new
-		if (is_array($table_array) && count($table_array)) {
+		if (count($table_array)) {
 			$this->table_array = $table_array;
 		}
 		if (!$this->dbCheckPkSet()) {
@@ -440,7 +440,7 @@ class ArrayIO extends \CoreLibs\DB\IO
 	public function dbRead(bool $edit = false, array $table_array = []): array
 	{
 		// if array give, overrules internal array
-		if (is_array($table_array) && count($table_array)) {
+		if (count($table_array)) {
 			$this->table_array = $table_array;
 		}
 		if (!$this->dbCheckPkSet()) {

src/DB/SQL/Interface/SqlFunctions.php

@@ -285,6 +285,22 @@ interface SqlFunctions
 	 */
 	public function __dbConnectionBusySocketWait(int $timeout_seconds = 3): bool;
 
+	/**
+	 * Undocumented function
+	 *
+	 * @param  string $parameter
+	 * @param  bool   $strip
+	 * @return string
+	 */
+	public function __dbVersionInfo(string $parameter, bool $strip = true): string;
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array<mixed>
+	 */
+	public function __dbVersionInfoParameterList(): array;
+
 	/**
 	 * Undocumented function
 	 *
@@ -292,6 +308,13 @@ interface SqlFunctions
 	 */
 	public function __dbVersion(): string;
 
+	/**
+	 * Undocumented function
+	 *
+	 * @return int
+	 */
+	public function __dbVersionNumeric(): int;
+
 	/**
 	 * Undocumented function
 	 *
@@ -306,6 +329,14 @@ interface SqlFunctions
 		?int &$end = null
 	): ?array;
 
+	/**
+	 * Undocumented function
+	 *
+	 * @param  string      $parameter
+	 * @return string|bool
+	 */
+	public function __dbParameter(string $parameter): string|bool;
+
 	/**
 	 * Undocumented function
 	 *
@@ -343,6 +374,14 @@ interface SqlFunctions
 	 * @return string
 	 */
 	public function __dbGetEncoding(): string;
+
+	/**
+	 * Undocumented function
+	 *
+	 * @param  string $query
+	 * @return array<string>
+	 */
+	public function __dbGetQueryParams(string $query): array;
 }
 
 // __END__

src/DB/SQL/PgSQL.php

@@ -51,6 +51,8 @@ declare(strict_types=1);
 
 namespace CoreLibs\DB\SQL;
 
+use CoreLibs\DB\Support\ConvertPlaceholder;
+
 // below no ignore is needed if we want to use PgSql interface checks with PHP 8.0
 // as main system. Currently all @var sets are written as object
 /** @#phan-file-suppress PhanUndeclaredTypeProperty,PhanUndeclaredTypeParameter,PhanUndeclaredTypeReturnType */
@@ -102,7 +104,7 @@ class PgSQL implements Interface\SqlFunctions
 	 * SELECT foo FROM bar WHERE foobar = $1
 	 *
 	 * @param  string       $query  Query string with placeholders $1, ..
-	 * @param  array<mixed> $params Matching parameters for each placerhold
+	 * @param  array<mixed> $params Matching parameters for each placeholder
 	 * @return \PgSql\Result|false Query result
 	 */
 	public function __dbQueryParams(string $query, array $params): \PgSql\Result|false
@@ -140,7 +142,7 @@ class PgSQL implements Interface\SqlFunctions
 	 * sends an async query to the server with params
 	 *
 	 * @param  string       $query  Query string with placeholders $1, ..
-	 * @param  array<mixed> $params Matching parameters for each placerhold
+	 * @param  array<mixed> $params Matching parameters for each placeholder
 	 * @return bool         true/false Query sent successful status
 	 */
 	public function __dbSendQueryParams(string $query, array $params): bool
@@ -405,17 +407,13 @@ class PgSQL implements Interface\SqlFunctions
 			}
 			// no PK name given at all
 			if (empty($pk_name)) {
-				// if name is plurar, make it singular
-				// if (preg_match("/.*s$/i", $table))
-				// 	$table = substr($table, 0, -1);
 				// set pk_name to "id"
 				$pk_name = $table . "_id";
 			}
-			$seq = ($schema ? $schema . '.' : '') . $table . "_" . $pk_name . "_seq";
-			$q = "SELECT CURRVAL('$seq') AS insert_id";
+			$q = "SELECT CURRVAL(pg_get_serial_sequence($1, $2)) AS insert_id";
 			// I have to do manually or I overwrite the original insert internal vars ...
-			if ($q = $this->__dbQuery($q)) {
-				if (is_array($res = $this->__dbFetchArray($q))) {
+			if ($cursor = $this->__dbQueryParams($q, [$table, $pk_name])) {
+				if (is_array($res = $this->__dbFetchArray($cursor))) {
 					list($id) = $res;
 				} else {
 					return false;
@@ -449,26 +447,36 @@ class PgSQL implements Interface\SqlFunctions
 					$table_prefix = $schema . '.';
 				}
 			}
+			$params = [$table_prefix . $table];
+			$replace = ['', ''];
 			// read from table the PK name
 			// faster primary key get
-			$q = "SELECT pg_attribute.attname AS column_name, "
-				. "format_type(pg_attribute.atttypid, pg_attribute.atttypmod) AS type "
-				. "FROM pg_index, pg_class, pg_attribute ";
+			$q = <<<SQL
+			SELECT
+				pg_attribute.attname AS column_name,
+				format_type(pg_attribute.atttypid, pg_attribute.atttypmod) AS type
+			FROM pg_index, pg_class, pg_attribute{PG_NAMESPACE}
+			WHERE
+				-- regclass translates the OID to the name
+				pg_class.oid = $1::regclass AND
+				indrelid = pg_class.oid AND
+				pg_attribute.attrelid = pg_class.oid AND
+				pg_attribute.attnum = any(pg_index.indkey) AND
+				indisprimary
+				{NSPNAME}
+			SQL;
 			if ($schema) {
-				$q .= ", pg_namespace ";
+				$params[] = $schema;
+				$replace = [
+					", pg_namespace",
+					"AND pg_class.relnamespace = pg_namespace.oid AND nspname = $2"
+				];
 			}
-			$q .= "WHERE "
-				// regclass translates the OID to the name
-				. "pg_class.oid = '" . $table_prefix . $table . "'::regclass AND "
-				. "indrelid = pg_class.oid AND ";
-			if ($schema) {
-				$q .= "nspname = '" . $schema . "' AND "
-					. "pg_class.relnamespace = pg_namespace.oid AND ";
-			}
-			$q .= "pg_attribute.attrelid = pg_class.oid AND "
-				. "pg_attribute.attnum = any(pg_index.indkey) "
-				. "AND indisprimary";
-			$cursor = $this->__dbQuery($q);
+			$cursor = $this->__dbQueryParams(str_replace(
+				['{PG_NAMESPACE}', '{NSPNAME}'],
+				$replace,
+				$q
+			), $params);
 			if ($cursor !== false) {
 				$__db_fetch_array = $this->__dbFetchArray($cursor);
 				if (!is_array($__db_fetch_array)) {
@@ -893,11 +901,13 @@ class PgSQL implements Interface\SqlFunctions
 	public function __dbSetSchema(string $db_schema): int
 	{
 		// check if schema actually exists
-		$query = "SELECT EXISTS("
-			. "SELECT 1 FROM information_schema.schemata "
-			. "WHERE schema_name = " . $this->__dbEscapeLiteral($db_schema)
-			. ")";
-		$cursor = $this->__dbQuery($query);
+		$query = <<<SQL
+		SELECT EXISTS (
+			SELECT 1 FROM information_schema.schemata
+			WHERE schema_name = $1
+		)
+		SQL;
+		$cursor = $this->__dbQueryParams($query, [$db_schema]);
 		// abort if execution fails
 		if ($cursor === false) {
 			return 1;
@@ -966,6 +976,34 @@ class PgSQL implements Interface\SqlFunctions
 	{
 		return $this->__dbShow('client_encoding');
 	}
+
+	/**
+	 * Get the all the $ params, as a unique list
+	 *
+	 * @param  string $query
+	 * @return array<string>
+	 */
+	public function __dbGetQueryParams(string $query): array
+	{
+		$matches = [];
+		// regex for params: only stand alone $number allowed
+		// exclude all '' enclosed strings, ignore all numbers [note must start with digit]
+		// can have space/tab/new line
+		// must have <> = , ( [not equal, equal, comma, opening round bracket]
+		// can have space/tab/new line
+		// $ number with 1-9 for first and 0-9 for further digits
+		// Collects also PDO ? and :named, but they are ignored
+		// /s for matching new line in . list
+		// [disabled, we don't used ^ or $] /m for multi line match
+		// Matches in 1:, must be array_filtered to remove empty, count with array_unique
+		// Regex located in the ConvertPlaceholder class
+		preg_match_all(
+			ConvertPlaceholder::REGEX_LOOKUP_NUMBERED,
+			$query,
+			$matches
+		);
+		return array_unique(array_filter($matches[ConvertPlaceholder::MATCHING_POS]));
+	}
 }
 
 // __END__

src/DB/Support/ConvertPlaceholder.php

@@ -0,0 +1,348 @@
+<?php
+
+/**
+ * AUTOR: Clemens Schwaighofer
+ * CREATED: 2023/10/10
+ * DESCRIPTION:
+ * Convert placeholders in query from PDO style ? or :named to \PG style $number
+ * pr the other way around
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\DB\Support;
+
+class ConvertPlaceholder
+{
+	/** @var string text block in SQL, single quited
+	 * Note that does not include $$..$$ strings or anything with token name or nested ones
+	*/
+	private const PATTERN_TEXT_BLOCK_SINGLE_QUOTE = '(?:\'(?:[^\'\\\\]|\\\\.)*\')';
+	/** @var string text block in SQL, dollar quoted
+	 * NOTE: if this is added everything shifts by one lookup number
+	*/
+	private const PATTERN_TEXT_BLOCK_DOLLAR = '(?:\$(\w*)\$.*?\$\1\$)';
+	/** @var string comment regex
+	 * anything that starts with -- and ends with a line break but any character that is not line break inbetween
+	 * this is the FIRST thing in the line and will skip any further lookups */
+	private const PATTERN_COMMENT = '(?:\-\-[^\r\n]*?\r?\n)';
+	// below are the params lookups
+	/** @var string named parameters, must start with single : */
+	private const PATTERN_NAMED = '((?<!:):(?:\w+))';
+	/** @var string question mark parameters, will catch any */
+	private const PATTERN_QUESTION_MARK = '(\?{1})';
+	/** @var string numbered parameters, can only start 1 to 9, second and further digits can be 0-9
+	 * This ignores the $$ ... $$ escape syntax. If we find something like this will fail
+	 * It is recommended to use proper string escape quiting for writing data to the DB
+	*/
+	private const PATTERN_NUMBERED = '(\$[1-9]{1}(?:[0-9]{1,})?)';
+	// below here are full regex that will be used
+	/** @var string replace regex for named (:...) entries */
+	public const REGEX_REPLACE_NAMED = '/'
+		. self::PATTERN_COMMENT . '|'
+		. self::PATTERN_TEXT_BLOCK_SINGLE_QUOTE . '|'
+		. self::PATTERN_TEXT_BLOCK_DOLLAR . '|'
+		. self::PATTERN_NAMED
+		. '/s';
+	/** @var string replace regex for question mark (?) entries */
+	public const REGEX_REPLACE_QUESTION_MARK = '/'
+		. self::PATTERN_COMMENT . '|'
+		. self::PATTERN_TEXT_BLOCK_SINGLE_QUOTE . '|'
+		. self::PATTERN_TEXT_BLOCK_DOLLAR . '|'
+		. self::PATTERN_QUESTION_MARK
+		. '/s';
+	/** @var string replace regex for numbered ($n) entries */
+	public const REGEX_REPLACE_NUMBERED = '/'
+		. self::PATTERN_COMMENT . '|'
+		. self::PATTERN_TEXT_BLOCK_SINGLE_QUOTE . '|'
+		. self::PATTERN_TEXT_BLOCK_DOLLAR . '|'
+		. self::PATTERN_NUMBERED
+		. '/s';
+	/** @var string the main lookup query for all placeholders */
+	public const REGEX_LOOKUP_PLACEHOLDERS = '/'
+		. self::PATTERN_COMMENT . '|'
+		. self::PATTERN_TEXT_BLOCK_SINGLE_QUOTE . '|'
+		. self::PATTERN_TEXT_BLOCK_DOLLAR . '|'
+		// match for replace part
+		. '(?:'
+		// :name named part (PDO) [1]
+		. self::PATTERN_NAMED . '|'
+		// ? question mark part (PDO) [2]
+		. self::PATTERN_QUESTION_MARK . '|'
+		// $n numbered part (\PG php) [3]
+		. self::PATTERN_NUMBERED
+		// end match
+		. ')'
+		// single line -> add line break to matches in "."
+		. '/s';
+	/** @var string lookup for only numbered placeholders */
+	public const REGEX_LOOKUP_NUMBERED = '/'
+		. self::PATTERN_COMMENT . '|'
+		. self::PATTERN_TEXT_BLOCK_SINGLE_QUOTE . '|'
+		. self::PATTERN_TEXT_BLOCK_DOLLAR . '|'
+		// match for replace part
+		. '(?:'
+		// $n numbered part (\PG php) [1]
+		. self::PATTERN_NUMBERED
+		// end match
+		. ')'
+		. '/s';
+	/** @var int position for regex in full placeholder lookup: named */
+	public const LOOOKUP_NAMED_POS = 2;
+	/** @var int position for regex in full placeholder lookup: question mark */
+	public const LOOOKUP_QUESTION_MARK_POS = 3;
+	/** @var int position for regex in full placeholder lookup: numbered */
+	public const LOOOKUP_NUMBERED_POS = 4;
+	/** @var int matches position for replacement and single lookup */
+	public const MATCHING_POS = 2;
+
+	/**
+	 * Convert PDO type query with placeholders to \PG style and vica versa
+	 * For PDO to: ? and :named
+	 * For \PG to: $number
+	 *
+	 * If the query has a mix of ?, :named or $numbrer the \OutOfRangeException exception
+	 * will be thrown
+	 *
+	 * If the convert_to is either pg or pdo, nothing will be changed
+	 *
+	 * found has -1 if an error occoured in the preg_match_all call
+	 *
+	 * @param  string       $query      Query with placeholders to convert
+	 * @param  ?array<mixed> $params     The parameters that are used for the query, and will be updated
+	 * @param  string       $convert_to Either pdo or pg, will be converted to lower case for check
+	 * @return array{original:array{query:string,params:array<mixed>,empty_params:bool},type:''|'named'|'numbered'|'question_mark',found:int,matches:array<string>,params_lookup:array<mixed>,query:string,params:array<mixed>}
+	 * @throws \OutOfRangeException 200 If mixed placeholder types
+	 * @throws \InvalidArgumentException 300 or 301 if wrong convert to with found placeholders
+	 */
+	public static function convertPlaceholderInQuery(
+		string $query,
+		?array $params,
+		string $convert_to = 'pg'
+	): array {
+		$convert_to = strtolower($convert_to);
+		$matches = [];
+		// matches:
+		// 1: :named
+		// 2: ? question mark
+		// 3: $n numbered
+		$found = preg_match_all(self::REGEX_LOOKUP_PLACEHOLDERS, $query, $matches, PREG_UNMATCHED_AS_NULL);
+		// if false or null set to -1
+		//  || $found === null
+		if ($found === false) {
+			$found = -1;
+		}
+		/** @var array<string> 1: named */
+		$named_matches = array_filter($matches[self::LOOOKUP_NAMED_POS]);
+		/** @var array<string> 2: open ? */
+		$qmark_matches = array_filter($matches[self::LOOOKUP_QUESTION_MARK_POS]);
+		/** @var array<string> 3: $n matches */
+		$numbered_matches = array_filter($matches[self::LOOOKUP_NUMBERED_POS]);
+		// print "**MATCHES**: <pre>" . print_r($matches, true) . "</pre>";
+		// count matches
+		$count_named = count(array_unique($named_matches));
+		$count_qmark = count($qmark_matches);
+		$count_numbered = count(array_unique($numbered_matches));
+		// throw exception if mixed found
+		if (
+			($count_named && $count_qmark) ||
+			($count_named && $count_numbered) ||
+			($count_qmark && $count_numbered)
+		) {
+			throw new \OutOfRangeException('Cannot have named, question mark and numbered in the same query', 200);
+		}
+		// // throw if invalid conversion
+		// if (($count_named || $count_qmark) && $convert_to != 'pg') {
+		// 	throw new \InvalidArgumentException('Cannot convert from named or question mark placeholders to PDO', 300);
+		// }
+		// if ($count_numbered && $convert_to != 'pdo') {
+		// 	throw new \InvalidArgumentException('Cannot convert from numbered placeholders to Pg', 301);
+		// }
+		// return array
+		$return_placeholders = [
+			// original
+			'original' => [
+					'query' => $query,
+					'params' => $params ?? [],
+					'empty_params' => $params === null ? true : false,
+				],
+				// type found, empty if nothing was done
+				'type' => '',
+				// int: found, not found; -1: problem (set from false)
+				'found' => (int)$found,
+				'matches' => [],
+				// old to new lookup check
+				'params_lookup' => [],
+				// this must match the count in params in new
+				'needed' => 0,
+				// new
+				'query' => '',
+				'params' => [],
+		];
+		// replace basic regex and name settings
+		if ($count_named) {
+			$return_placeholders['type'] = 'named';
+			$return_placeholders['matches'] = $named_matches;
+			$return_placeholders['needed'] = $count_named;
+		} elseif ($count_qmark) {
+			$return_placeholders['type'] = 'question_mark';
+			$return_placeholders['matches'] = $qmark_matches;
+			$return_placeholders['needed'] = $count_qmark;
+			// for each ?:DTN: -> replace with $1 ... $n, any remaining :DTN: remove
+		} elseif ($count_numbered) {
+			$return_placeholders['type'] = 'numbered';
+			$return_placeholders['matches'] = $numbered_matches;
+			$return_placeholders['needed'] = $count_numbered;
+		}
+		// run convert only if matching type and direction
+		if (
+			(($count_named || $count_qmark) && $convert_to == 'pg') ||
+			($count_numbered && $convert_to == 'pdo')
+		) {
+			$param_list = self::updateParamList($return_placeholders);
+			$return_placeholders['params_lookup'] = $param_list['params_lookup'];
+			$return_placeholders['query'] = $param_list['query'];
+			$return_placeholders['params'] = $param_list['params'];
+		}
+		// return data
+		return $return_placeholders;
+	}
+
+	/**
+	 * Updates the params list from one style to the other to match the query output
+	 * if original.empty_params is set to true, no params replacement is done
+	 * if param replacement has been done in a dbPrepare then this has to be run
+	 * with the return palceholders array with params in original filled and empty_params turned off
+	 *
+	 * phpcs:disable Generic.Files.LineLength
+	 * @param array{original:array{query:string,params:array<mixed>,empty_params:bool},type:''|'named'|'numbered'|'question_mark',found:int,matches?:array<string>,params_lookup?:array<mixed>,query?:string,params?:array<mixed>} $converted_placeholders
+	 * phpcs:enable Generic.Files.LineLength
+	 * @return array{params_lookup:array<mixed>,query:string,params:array<mixed>}
+	 */
+	public static function updateParamList(array $converted_placeholders): array
+	{
+		// skip if nothing set
+		if (!$converted_placeholders['found']) {
+			return [
+				'params_lookup' => [],
+				'query' => '',
+				'params' => []
+			];
+		}
+		$query_new = '';
+		$params_new = [];
+		$params_lookup = [];
+		// set to null if params is empty
+		$params = $converted_placeholders['original']['params'];
+		$empty_params = $converted_placeholders['original']['empty_params'];
+		switch ($converted_placeholders['type']) {
+			case 'named':
+				// 1: replace part :named
+				$pos = 0;
+				$query_new = preg_replace_callback(
+					self::REGEX_REPLACE_NAMED,
+					function ($matches) use (&$pos, &$params_new, &$params_lookup, $params, $empty_params) {
+						if (!isset($matches[self::MATCHING_POS])) {
+							throw new \RuntimeException(
+								'Cannot lookup ' . self::MATCHING_POS . ' in matches list',
+								209
+							);
+						}
+						$match = $matches[self::MATCHING_POS];
+						// only count up if $match[1] is not yet in lookup table
+						if (empty($params_lookup[$match])) {
+							$pos++;
+							$params_lookup[$match] = '$' . $pos;
+							// skip params setup if param list is empty
+							if (!$empty_params) {
+								$params_new[] = $params[$match] ??
+									throw new \RuntimeException(
+										'Cannot lookup ' . $match . ' in params list',
+										210
+									);
+							}
+						}
+						// add the connectors back (1), and the data sets only if no replacement will be done
+						return $params_lookup[$match]/* ??
+							throw new \RuntimeException(
+								'Cannot lookup ' . $match . ' in params lookup list',
+								211
+							)*/;
+					},
+					$converted_placeholders['original']['query']
+				);
+				break;
+			case 'question_mark':
+				if (!$empty_params) {
+					// order and data stays the same
+					$params_new = $params ?? [];
+				}
+				// 1: replace part ?
+				$pos = 0;
+				$query_new = preg_replace_callback(
+					self::REGEX_REPLACE_QUESTION_MARK,
+					function ($matches) use (&$pos, &$params_lookup) {
+						if (!isset($matches[self::MATCHING_POS])) {
+							throw new \RuntimeException(
+								'Cannot lookup ' . self::MATCHING_POS . ' in matches list',
+								229
+							);
+						}
+						$match = $matches[self::MATCHING_POS];
+						// only count pos up for actual replacements we will do
+						if (!empty($match)) {
+							$pos++;
+							$params_lookup[] = '$' . $pos;
+						}
+						// add the connectors back (1), and the data sets only if no replacement will be done
+						return '$' . $pos;
+					},
+					$converted_placeholders['original']['query']
+				);
+				break;
+			case 'numbered':
+				// 1: replace part $numbered
+				$pos = 0;
+				$query_new = preg_replace_callback(
+					self::REGEX_REPLACE_NUMBERED,
+					function ($matches) use (&$pos, &$params_new, &$params_lookup, $params, $empty_params) {
+						if (!isset($matches[self::MATCHING_POS])) {
+							throw new \RuntimeException(
+								'Cannot lookup ' . self::MATCHING_POS . ' in matches list',
+								239
+							);
+						}
+						$match = $matches[self::MATCHING_POS];
+						// only count up if $match[1] is not yet in lookup table
+						if (empty($params_lookup[$match])) {
+							$pos++;
+							$params_lookup[$match] = ':' . $pos . '_named';
+							// skip params setup if param list is empty
+							if (!$empty_params) {
+								$params_new[] = $params[($pos - 1)] ??
+									throw new \RuntimeException(
+										'Cannot lookup ' . ($pos - 1) . ' in params list',
+										230
+									);
+							}
+						}
+						// add the connectors back (1), and the data sets only if no replacement will be done
+						return $params_lookup[$match]/* ??
+							throw new \RuntimeException(
+								'Cannot lookup ' . $match . ' in params lookup list',
+								231
+							)*/;
+					},
+					$converted_placeholders['original']['query']
+				);
+				break;
+		}
+		return [
+			'params_lookup' => $params_lookup,
+			'query' => $query_new ?? '',
+			'params' => $params_new,
+		];
+	}
+}
+
+// __END__

src/Debug/Support.php

@@ -33,6 +33,36 @@ class Support
 		return $string;
 	}
 
+	/**
+	 * print ISO type datetime with microseconds and timezone
+	 * Y-m-dTH:i:s.uP
+	 * if no micro time the ".u" part is omitted
+	 *
+	 * @param  bool   $set_micro_time
+	 * @return string
+	 */
+	public static function printIsoTime(bool $set_micro_time = true): string
+	{
+		$datetime = new \DateTime();
+
+		// Format the DateTime object to ISO 8601 with microseconds
+		// 'Y-m-d\TH:i:s.uP' is the format string:
+		// Y: Full year (e.g., 2025)
+		// m: Month (01-12)
+		// d: Day of the month (01-31)
+		// T: Literal 'T' to separate date and time (escaped with a backslash)
+		// H: Hour (00-23)
+		// i: Minute (00-59)
+		// s: Second (00-59)
+		// u: Microseconds (e.g., 654321)
+		// P: Difference to Greenwich time (GMT) with colon (e.g., +09:00)
+		if ($set_micro_time) {
+			return $datetime->format('Y-m-d\TH:i:s.uP');
+		} else {
+			return $datetime->format('Y-m-d\TH:i:sP');
+		}
+	}
+
 	/**
 	 * prints a html formatted (pre) data
 	 *
@@ -295,8 +325,7 @@ class Support
 	 * Will start with start_level to skip unwanted from stack
 	 * Defaults to skip level 0 wich is this methid
 	 *
-	 * @param  integer $start_level From what level on, as defaul starts with 1
-	 *                              to exclude self
+	 * @param  integer $start_level [=1] From what level on, starts with 1 to exclude self
 	 * @return array<mixed>         All method names in list where max is last called
 	 */
 	public static function getCallerMethodList(int $start_level = 1): array
@@ -304,15 +333,46 @@ class Support
 		$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
 		$methods = [];
 		foreach ($traces as $level => $data) {
-			if ($level >= $start_level) {
-				if (!empty($data['function'])) {
-					array_unshift($methods, $data['function']);
-				}
+			if ($level < $start_level) {
+				continue;
+			}
+			if (!empty($data['function'])) {
+				array_unshift($methods, $data['function']);
 			}
 		}
 		return $methods;
 	}
 
+	/**
+	 * Get the full call stack from a certain starting level
+	 * The return string is
+	 * file:line:class->method
+	 *
+	 * Note that '::' is used for static calls
+	 *
+	 * @param  int   $start_level [=1] starts with 1 to exclude itself
+	 * @return array<string>      string with file, line, class and method
+	 */
+	public static function getCallStack(int $start_level = 1): array
+	{
+		$call_stack = [];
+		$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+		foreach ($backtrace as $level => $call_trace) {
+			if ($level < $start_level) {
+				continue;
+			}
+			$call_stack[] =
+				($call_trace['file'] ?? 'n/f') . ':'
+				. ($call_trace['line'] ?? '-') . ':'
+				. (!empty($call_trace['class']) ?
+					$call_trace['class'] . ($call_trace['type'] ?? '') :
+					''
+				)
+				. $call_trace['function'];
+		}
+		return $call_stack;
+	}
+
 	/**
 	 * Get the current class where this function is called
 	 * Is mostly used in debug log statements to get the class where the debug

src/DeprecatedHelper/Deprecated84.php

@@ -0,0 +1,95 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2025/1/17
+ * DESCRIPTION:
+ * Deprecated helper for fputcsv
+*/
+
+declare(strict_types=1);
+
+namespace CoreLibs\DeprecatedHelper;
+
+use InvalidArgumentException;
+
+class Deprecated84
+{
+	/**
+	 * This is a wrapper for fputcsv to fix deprecated warning for $escape parameter
+	 * See: https://www.php.net/manual/en/function.fputcsv.php
+	 * escape parameter deprecation and recommend to set to "" for compatible with PHP 9.0
+	 *
+	 * @param mixed $stream
+	 * @param array<mixed> $fields
+	 * @param string $separator
+	 * @param string $enclosure
+	 * @param string $escape
+	 * @param string $eol
+	 * @return int|false
+	 * @throws InvalidArgumentException
+	 */
+	public static function fputcsv(
+		mixed $stream,
+		array $fields,
+		string $separator = ",",
+		string $enclosure = '"',
+		string $escape = '', // set to empty for future compatible
+		string $eol = PHP_EOL
+	): int | false {
+		if (!is_resource($stream)) {
+			throw new \InvalidArgumentException("fputcsv stream parameter must be a resrouce");
+		}
+		return fputcsv($stream, $fields, $separator, $enclosure, $escape, $eol);
+	}
+
+	/**
+	 * This is a wrapper for fgetcsv to fix deprecated warning for $escape parameter
+	 * See: https://www.php.net/manual/en/function.fgetcsv.php
+	 * escape parameter deprecation and recommend to set to "" for compatible with PHP 9.0
+	 *
+	 * @param mixed $stream
+	 * @param null|int<0,max> $length
+	 * @param string $separator
+	 * @param string $enclosure
+	 * @param string $escape
+	 * @return array<mixed>|false
+	 * @throws InvalidArgumentException
+	 */
+	public static function fgetcsv(
+		mixed $stream,
+		?int $length = null,
+		string $separator = ',',
+		string $enclosure = '"',
+		string $escape = '' // set to empty for future compatible
+	): array | false {
+		if (!is_resource($stream)) {
+			throw new \InvalidArgumentException("fgetcsv stream parameter must be a resrouce");
+		}
+		return fgetcsv($stream, $length, $separator, $enclosure, $escape);
+	}
+
+	/**
+	 * This is a wrapper for str_getcsv to fix deprecated warning for $escape parameter
+	 * See: https://www.php.net/manual/en/function.str-getcsv.php
+	 * escape parameter deprecation and recommend to set to "" for compatible with PHP 9.0
+	 *
+	 * @param string $string
+	 * @param string $separator
+	 * @param string $enclosure
+	 * @param string $escape
+	 * @return array<mixed>
+	 */
+	// phpcs:disable PSR1.Methods.CamelCapsMethodName
+	public static function str_getcsv(
+		string $string,
+		string $separator = ",",
+		string $enclosure = '"',
+		string $escape = '' // set to empty for future compatible
+	): array {
+		return str_getcsv($string, $separator, $enclosure, $escape);
+	}
+	// phpcs:enable PSR1.Methods.CamelCapsMethodName
+}
+
+// __END__

src/Get/System.php

@@ -116,6 +116,29 @@ class System
 			3
 		) === 'cli' ? true : false;
 	}
+
+	/**
+	 * Collect all IP addresses
+	 * REMOTE_ADDR, HTTP_X_FORWARD_FOR, CLIENT_IP
+	 * and retuns them in an array with index of io source
+	 * if address source has addresses with "," will add "-array" with these as array block
+	 *
+	 * @return array<string,string|array<string>>
+	 */
+	public static function getIpAddresses(): array
+	{
+		$ip_addr = [];
+		foreach (['REMOTE_ADDR', 'HTTP_X_FORWARDED_FOR', 'CLIENT_IP'] as $_ip_source) {
+			if (!empty($_SERVER[$_ip_source])) {
+				$ip_addr[$_ip_source] = $_SERVER[$_ip_source];
+				// same level as ARRAY IF there is a , inside
+				if (strstr($_SERVER[$_ip_source], ',') !== false) {
+					$ip_addr[$_ip_source . '-array'] = explode(',', $_SERVER[$_ip_source]);
+				}
+			}
+		}
+		return $ip_addr;
+	}
 }
 
 // __END__

src/Language/Core/CachedFileReader.php

@@ -46,7 +46,7 @@ class CachedFileReader extends \CoreLibs\Language\Core\StringReader
 			if (!is_resource($fd)) {
 				$this->error = 3; // Cannot read file, probably permissions
 			} else {
-				$this->fd_str = fread($fd, filesize($filename) ?: 0) ?: '';
+				$this->fd_str = fread($fd, filesize($filename) ?: 1) ?: '';
 				fclose($fd);
 			}
 		} else {

src/Language/Core/GetTextReader.php

@@ -190,7 +190,6 @@ class GetTextReader
 	private function loadTables(): void
 	{
 		if (
-			is_array($this->cache_translations) &&
 			is_array($this->table_originals) &&
 			is_array($this->table_translations)
 		) {
@@ -318,10 +317,7 @@ class GetTextReader
 
 		if ($this->enable_cache) {
 			// Caching enabled, get translated string from cache
-			if (
-				is_array($this->cache_translations) &&
-				array_key_exists($string, $this->cache_translations)
-			) {
+			if (array_key_exists($string, $this->cache_translations)) {
 				return $this->cache_translations[$string];
 			} else {
 				return $string;
@@ -481,7 +477,7 @@ class GetTextReader
 		$key = $single . chr(0) . $plural;
 
 		if ($this->enable_cache) {
-			if (is_array($this->cache_translations) && !array_key_exists($key, $this->cache_translations)) {
+			if (!array_key_exists($key, $this->cache_translations)) {
 				return ($number != 1) ? $plural : $single;
 			} else {
 				$result = $this->cache_translations[$key];

src/Language/GetLocale.php

@@ -50,7 +50,6 @@ class GetLocale
 				$locale = defined('SITE_LOCALE') && !empty(SITE_LOCALE) ?
 					SITE_LOCALE :
 					// else parse from default, if not 'en'
-					/** @phpstan-ignore-next-line DEFAULT_LOCALE could be empty */
 					(defined('DEFAULT_LOCALE') && !empty(DEFAULT_LOCALE) ?
 						DEFAULT_LOCALE : 'en');
 			}
@@ -97,8 +96,7 @@ class GetLocale
 				$encoding = defined('SITE_ENCODING') && !empty(SITE_ENCODING) ?
 					SITE_ENCODING :
 					// or default encoding, if not 'UTF-8'
-					/** @phpstan-ignore-next-line DEFAULT_LOCALE could be empty */
-					(defined('DEFAULT_ENCODING') && !empty(DEFAULT_ENCODING) ?
+					(defined('DEFAULT_ENCODING') ?
 						DEFAULT_ENCODING : 'UTF-8');
 			}
 		}
@@ -128,7 +126,7 @@ class GetLocale
 				$matches
 			)
 		) {
-			$lang = ($matches['lang'] ?? 'en')
+			$lang = $matches['lang']
 				// add country only if set
 				. (!empty($matches['country']) ? '_' . $matches['country'] : '');
 		} else {
@@ -235,7 +233,7 @@ class GetLocale
 				$matches
 			)
 		) {
-			$lang = ($matches['lang'] ?? 'en')
+			$lang = $matches['lang']
 				// add country only if set
 				. (!empty($matches['country']) ? '_' . $matches['country'] : '');
 		} else {

src/Logging/ErrorMessage.php

@@ -24,16 +24,20 @@ class ErrorMessage
 
 	/** @var bool $log_error global flag to log error level message */
 	private bool $log_error = false;
+	/** @var bool $log_warning global flat to log warning level messages */
+	private bool $log_warning = false;
 
 	/**
 	 * init ErrorMessage
 	 *
 	 * @param  \CoreLibs\Logging\Logging $log
 	 * @param  null|bool                 $log_error [=null], defaults to false if log is not level debug
+	 * @param  null|bool                 $log_warning [=null], defaults to false if log is not level debug
 	 */
 	public function __construct(
 		\CoreLibs\Logging\Logging $log,
-		?bool $log_error = null
+		?bool $log_error = null,
+		?bool $log_warning = null
 	) {
 		$this->log = $log;
 		// if log default logging is debug then log_error is default set to true
@@ -43,6 +47,13 @@ class ErrorMessage
 			$log_error = $log_error ?? false;
 		}
 		$this->log_error = $log_error;
+		// if log default logging is debug then log_warning is default set to true
+		if ($this->log->loggingLevelIsDebug() && $log_warning === null) {
+			$log_warning = true;
+		} else {
+			$log_warning = $log_warning ?? false;
+		}
+		$this->log_warning = $log_warning;
 	}
 
 	/**
@@ -81,6 +92,8 @@ class ErrorMessage
 	 * @param  array<mixed>  $context      Additionl info for abort/crash messages
 	 * @param  bool|null     $log_error    [=null] log level 'error' to error, if null use global,
 	 *                                     else set for this call only
+	 * @param  bool|null     $log_warning  [=null] log level 'warning' to warning, if null use global,
+	 *                                     else set for this call only
 	 */
 	public function setErrorMsg(
 		string $error_id,
@@ -93,10 +106,14 @@ class ErrorMessage
 		?string $message = null,
 		array $context = [],
 		?bool $log_error = null,
+		?bool $log_warning = null,
 	): void {
 		if ($log_error === null) {
 			$log_error = $this->log_error;
 		}
+		if ($log_warning === null) {
+			$log_warning = $this->log_warning;
+		}
 		$original_level = $level;
 		$level = MessageLevel::fromName($level)->name;
 		// if not string set, write message string if set, else level/error id
@@ -114,6 +131,7 @@ class ErrorMessage
 		// set a jump target
 		$this->setJumpTarget($jump_target['target'] ?? null, $jump_target['info'] ?? null, $level);
 		// write to log for abort/crash
+		$this->log->setErrorMessageCallSetErrorMsg();
 		switch ($level) {
 			case 'notice':
 				$this->log->notice($message ?? $str, array_merge([
@@ -121,6 +139,14 @@ class ErrorMessage
 					'level' => $original_level,
 				], $context));
 				break;
+			case 'warn':
+				if ($log_warning) {
+					$this->log->warning($message ?? $str, array_merge([
+						'id' => $error_id,
+						'level' => $original_level,
+					], $context));
+				}
+				break;
 			case 'error':
 				if ($log_error) {
 					$this->log->error($message ?? $str, array_merge([
@@ -169,6 +195,8 @@ class ErrorMessage
 	 * @param  array<mixed>  $context      Additionl info for abort/crash messages
 	 * @param  bool|null     $log_error    [=null] log level 'error' to error, if null use global,
 	 *                                     else set for this call only
+	 * @param  bool|null     $log_warning  [=null] log level 'warning' to warning, if null use global,
+	 *                                     else set for this call only
 	 */
 	public function setMessage(
 		string $level,
@@ -181,7 +209,9 @@ class ErrorMessage
 		?string $message = null,
 		array $context = [],
 		?bool $log_error = null,
+		?bool $log_warning = null,
 	): void {
+		$this->log->setErrorMessageCallSetMessage();
 		$this->setErrorMsg(
 			$error_id ?? '',
 			$level,
@@ -192,7 +222,8 @@ class ErrorMessage
 			$jump_target,
 			$message,
 			$context,
-			$log_error
+			$log_error,
+			$log_warning
 		);
 	}
 
@@ -260,7 +291,7 @@ class ErrorMessage
 	 */
 	public function getLastErrorMsg(): array
 	{
-		return $this->error_str[array_key_last($this->error_str)] ?? [
+		return $this->error_str[array_key_last($this->error_str) ?? -1] ?? [
 			'level' => '',
 			'str' => '',
 			'id' => '',
@@ -314,6 +345,27 @@ class ErrorMessage
 	{
 		return $this->log_error;
 	}
+
+	/**
+	 * Set the log warning flag
+	 *
+	 * @param  bool $flag True to log level warning too, False for do not (Default)
+	 * @return void
+	 */
+	public function setFlagLogWarning(bool $flag): void
+	{
+		$this->log_warning = $flag;
+	}
+
+	/**
+	 * Get the current log error flag
+	 *
+	 * @return bool
+	 */
+	public function getFlagLogWarning(): bool
+	{
+		return $this->log_warning;
+	}
 }
 
 // __END__

src/Logging/Logger/Level.php

@@ -112,7 +112,7 @@ enum Level: int
 	}
 
 	/**
-	 * Returns true if the passed $level is higher or equal to $this
+	 * Returns true if the passed $level is included in set level
 	 *
 	 * @param  Level $level
 	 * @return bool

src/Logging/Logger/MessageLevel.php

@@ -13,7 +13,9 @@ namespace CoreLibs\Logging\Logger;
 
 enum MessageLevel: int
 {
+	case noset = 0;
 	case ok = 100;
+	case success = 150; // special for file uploads
 	case info = 200;
 	case notice = 250;
 	case warn = 300;
@@ -30,6 +32,7 @@ enum MessageLevel: int
 	{
 		return match (strtolower($name)) {
 			'ok' => self::ok,
+			'success' => self::success,
 			'info' => self::info,
 			'notice' => self::notice,
 			'warn', 'warning' => self::warn,

src/Logging/Logging.php

@@ -29,8 +29,21 @@ use Stringable;
 class Logging
 {
 	/** @var int minimum size for a max file size, so we don't set 1 byte, 10kb */
-	public const MIN_LOG_MAX_FILESIZE = 10 * 1024;
+	public const int MIN_LOG_MAX_FILESIZE = 10 * 1024;
+	/** @var string log file extension, not changeable */
+	private const string LOG_FILE_NAME_EXT = "log";
+	/** @var string log file block separator, not changeable */
+	private const string LOG_FILE_BLOCK_SEPARATOR = '.';
+	/** @var int the base stack trace level for the line number */
+	private const int DEFAULT_STACK_TRACE_LEVEL_LINE = 1;
 
+	/** @var array<string,int> */
+	private const array STACK_OVERRIDE_CHECK = [
+		'setErrorMsg' => 2,
+		'setMessage' => 3,
+	];
+
+	// MARK: OPTION array
 	// NOTE: the second party array{} hs some errors
 	/** @var array<string,array<string,string|bool|Level>>|array{string:array{type:string,type_info?:string,mandatory:true,alias?:string,default:string|bool|Level,deprecated:bool,use?:string}} */
 	private const OPTIONS = [
@@ -46,6 +59,7 @@ class Logging
 			'type' => 'string', 'mandatory' => false,
 			'default' => '', 'deprecated' => true, 'use' => 'log_file_id'
 		],
+		// log level
 		'log_level' => [
 			'type' => 'instance',
 			'type_info' => '\CoreLibs\Logging\Logger\Level',
@@ -53,6 +67,14 @@ class Logging
 			'default' => Level::Debug,
 			'deprecated' => false
 		],
+		// level to trigger write to error_log
+		'error_log_write_level' => [
+			'type' => 'instance',
+			'type_info' => '\CoreLibs\Logging\Logger\Level',
+			'mandatory' => false,
+			'default' => Level::Emergency,
+			'deprecated' => false,
+		],
 		// options
 		'log_per_run' => [
 			'type' => 'bool', 'mandatory' => false,
@@ -82,14 +104,21 @@ class Logging
 			'type' => 'bool', 'mandatory' => false,
 			'default' => false, 'deprecated' => true, 'use' => 'log_per_date'
 		],
+		// if turned off uses old time format without time zone
+		'log_time_format_iso' => [
+			'type' => 'bool', 'mandatory' => false,
+			'default' => true, 'deprecated' => false
+		]
 	];
 
 	// options
 	/** @var array<mixed> */
 	private array $options = [];
 
-	/** @var Level set level */
+	/** @var Level set logging level */
 	private Level $log_level;
+	/** @var Level set level for writing to error_log, will not write if log level lower than error log write level */
+	private Level $error_log_write_level;
 
 	// page and host name
 	/** @var string */
@@ -104,8 +133,6 @@ class Logging
 	private string $log_folder = '';
 	/** @var string a alphanumeric name that has to be set as global definition */
 	private string $log_file_id = '';
-	/** @var string log file name extension */
-	private string $log_file_name_ext = 'log';
 	/** @var string log file name with folder, for actual writing */
 	private string $log_file_name = '';
 	/** @var int set in bytes */
@@ -119,6 +146,12 @@ class Logging
 	/** @var string Y-m-d file in file name */
 	private string $log_file_date = '';
 
+	// speical flags for ErrorMessage calls
+	/** @var bool Flag to set if called from ErrorMessage::setErrorMsg */
+	private bool $error_message_call_set_error_msg = false;
+	/** @var bool Flag to set if called from ErrorMessage::setMessage */
+	private bool $error_message_call_set_message = false;
+
 	/**
 	 *  1: create a new log file per run (time stamp + unique ID)
 	 *  2: add Y-m-d and do automatic daily rotation
@@ -143,12 +176,13 @@ class Logging
 	];
 
 	/**
-	 * Init logger
+	 * MARK: Init logger
 	 *
 	 * options array layout
 	 * - log_folder:
 	 * - log_file_id / file_id (will be deprecated):
 	 * - log_level:
+	 * - error_log_write_level: at what level we write to error_log
 	 *
 	 * - log_per_run:
 	 * - log_per_date: (was print_file_date)
@@ -170,6 +204,8 @@ class Logging
 
 		// set log level
 		$this->initLogLevel();
+		// set error log write level
+		$this->initErrorLogWriteLevel();
 		// set log folder from options
 		$this->initLogFolder();
 		// set per run UID for logging
@@ -188,8 +224,10 @@ class Logging
 	// PRIVATE METHODS
 	// *********************************************************************
 
+	// MARK: options check
+
 	/**
-	 * Undocumented function
+	 * validate options
 	 *
 	 * @param  array<mixed> $options
 	 * @return bool
@@ -261,6 +299,8 @@ class Logging
 		return true;
 	}
 
+	// MARK: init log elvels
+
 	/**
 	 * init log level, just a wrapper to auto set from options
 	 *
@@ -278,6 +318,24 @@ class Logging
 		$this->setLoggingLevel($this->options['log_level']);
 	}
 
+	/**
+	 * init error log write level
+	 *
+	 * @return void
+	 */
+	private function initErrorLogWriteLevel()
+	{
+		if (
+			empty($this->options['error_log_write_level']) ||
+			!$this->options['error_log_write_level'] instanceof Level
+		) {
+			$this->options['error_log_write_level'] = Level::Emergency;
+		}
+		$this->setErrorLogWriteLevel($this->options['error_log_write_level']);
+	}
+
+	// MARK: set log folder
+
 	/**
 	 * Set the log folder
 	 * If folder is not writeable the script will throw an E_USER_ERROR
@@ -319,6 +377,8 @@ class Logging
 		return $status;
 	}
 
+	// MARK: set host name
+
 	/**
 	 * Set the hostname and port
 	 * If port is not defaul 80 it will be added to the host name
@@ -335,6 +395,8 @@ class Logging
 		}
 	}
 
+	// MARK: set log file id (file)
+
 	/**
 	 * set log file prefix id
 	 *
@@ -393,6 +455,8 @@ class Logging
 		return $status;
 	}
 
+	// MARK init log flags and levels
+
 	/**
 	 * set flags from options and option flags connection internal settings
 	 *
@@ -421,6 +485,19 @@ class Logging
 		return $this->log_level->includes($level);
 	}
 
+	/**
+	 * Checks that given level is matchins error_log write level
+	 *
+	 * @param  Level $level
+	 * @return bool
+	 */
+	private function checkErrorLogWriteLevel(Level $level): bool
+	{
+		return $this->error_log_write_level->includes($level);
+	}
+
+	// MARK: build log ifle name
+
 	/**
 	 * Build the file name for writing
 	 *
@@ -431,7 +508,7 @@ class Logging
 	private function buildLogFileName(Level $level, string $group_id = ''): string
 	{
 		// init base file path
-		$fn = $this->log_print_file . '.' . $this->log_file_name_ext;
+		$fn = $this->log_print_file . '.' . self::LOG_FILE_NAME_EXT;
 		// log ID prefix settings, if not valid, replace with empty
 		if (!empty($this->log_file_id)) {
 			$rpl_string = $this->log_file_id;
@@ -440,14 +517,15 @@ class Logging
 		}
 		$fn = str_replace('{LOGID}', $rpl_string, $fn); // log id (like a log file prefix)
 
-		$rpl_string = !$this->getLogFlag(Flag::per_level) ? '' :
-			'_' . $level->getName();
+		$rpl_string = $this->getLogFlag(Flag::per_level) ?
+			self::LOG_FILE_BLOCK_SEPARATOR . $level->getName() :
+			'';
 		$fn = str_replace('{LEVEL}', $rpl_string, $fn); // create output filename
 
 		// write per level
-		$rpl_string = !$this->getLogFlag(Flag::per_group) ? '' :
+		$rpl_string = $this->getLogFlag(Flag::per_group) ?
 			// normalize level, replace all non alphanumeric characters with -
-			'_' . (
+			self::LOG_FILE_BLOCK_SEPARATOR . (
 				// if return is only - then set error string
 				preg_match(
 					"/^-+$/",
@@ -455,25 +533,29 @@ class Logging
 				) ?
 					'INVALID-LEVEL-STRING' :
 					$level_string
-			);
+			) :
+			'';
 		$fn = str_replace('{GROUP}', $rpl_string, $fn); // create output filename
 		// set per class, but don't use get_class as we will only get self
-		$rpl_string = !$this->getLogFlag(Flag::per_class) ? '' : '_'
-			// set sub class settings
-			. str_replace('\\', '-', Support::getCallerTopLevelClass());
+		$rpl_string = $this->getLogFlag(Flag::per_class) ?
+				// set sub class settings
+				self::LOG_FILE_BLOCK_SEPARATOR . str_replace('\\', '-', Support::getCallerTopLevelClass()) :
+			'';
 		$fn = str_replace('{CLASS}', $rpl_string, $fn); // create output filename
 
 		// if request to write to one file
-		$rpl_string = !$this->getLogFlag(Flag::per_page) ?
-			'' :
-			'_' . System::getPageName(System::NO_EXTENSION);
+		$rpl_string = $this->getLogFlag(Flag::per_page) ?
+			self::LOG_FILE_BLOCK_SEPARATOR . System::getPageName(System::NO_EXTENSION) :
+			'';
 		$fn = str_replace('{PAGENAME}', $rpl_string, $fn); // create output filename
 
 		// if run id, we auto add ymd, so we ignore the log file date
 		if ($this->getLogFlag(Flag::per_run)) {
-			$rpl_string = '_' . $this->getLogUniqueId(); // add 8 char unique string
+			// add 8 char unique string and date block with time
+			$rpl_string = self::LOG_FILE_BLOCK_SEPARATOR . $this->getLogUniqueId();
 		} elseif ($this->getLogFlag(Flag::per_date)) {
-			$rpl_string = '_' . $this->getLogDate(); // add date to file
+			// add date to file
+			$rpl_string = self::LOG_FILE_BLOCK_SEPARATOR . $this->getLogDate();
 		} else {
 			$rpl_string = '';
 		}
@@ -483,6 +565,8 @@ class Logging
 		return $fn;
 	}
 
+	// MARK: master write log to file
+
 	/**
 	 * writes error msg data to file for current level
 	 *
@@ -500,6 +584,10 @@ class Logging
 		if (!$this->checkLogLevel($level)) {
 			return false;
 		}
+		// if we match level then write to error_log
+		if ($this->checkErrorLogWriteLevel($level)) {
+			error_log((string)$message);
+		}
 
 		// build logging file name
 		// fn is log folder + file name
@@ -524,6 +612,8 @@ class Logging
 		return true;
 	}
 
+	// MARK: master prepare log
+
 	/**
 	 * Prepare the log message with all needed info blocks:
 	 * [timestamp] [host name] [file path + file::row number] [running uid] {class::/->method}
@@ -551,31 +641,65 @@ class Logging
 		$file_line = '';
 		$caller_class_method = '-';
 		$traces = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
-		// print "[" . $level->getName() . "] [$message] prepareLog:<br>" . Support::printAr($traces);
-		// file + line: call not this but one before (the one that calls this)
-		// start from this level, if unset fall down until we are at null
-		$start_trace_level = 2;
-		for ($trace_level = $start_trace_level; $trace_level >= 0; $trace_level--) {
-			if (isset($traces[$trace_level])) {
-				$file_line = ($traces[$trace_level]['file'] ?? $traces[$trace_level]['function'])
-					. ':' . ($traces[$trace_level]['line'] ?? '-');
-				// as namespace\class->method
-				$caller_class_method =
-					// get the last call before we are in the Logging class
-					($traces[$trace_level]['class'] ?? '')
-					// connector, if unkown use ==
-					. ($traces[$trace_level]['type'] ?? '')
-					// method/function: prepareLog->(debug|info|...)->[THIS]
-					. $traces[$trace_level]['function'];
-				break;
+		$stack_trace_start_level_line = self::DEFAULT_STACK_TRACE_LEVEL_LINE;
+		// set stack trace level +1 if called from ErrorMessage::setMessage
+		if ($this->error_message_call_set_message) {
+			$stack_trace_start_level_line = 3;
+		} elseif ($this->error_message_call_set_error_msg) {
+			$stack_trace_start_level_line = 2;
+		}
+		// if we have line > default, then check if valid, else reset to default
+		if ($stack_trace_start_level_line > self::DEFAULT_STACK_TRACE_LEVEL_LINE) {
+			// check if function at level is one of the override checks
+			$fn_check = $traces[$stack_trace_start_level_line]['function'] ?? '';
+			if (
+				!isset(self::STACK_OVERRIDE_CHECK[$fn_check]) ||
+				self::STACK_OVERRIDE_CHECK[$fn_check] != $stack_trace_start_level_line
+			) {
+				$stack_trace_start_level_line = self::DEFAULT_STACK_TRACE_LEVEL_LINE;
 			}
 		}
+		$this->error_message_call_set_message = false;
+		$this->error_message_call_set_error_msg = false;
+		// set stack trace level +1 if called from ErrorMessage::setMessage
+		// print "[" . $level->getName() . "] [$message] [" . $stack_trace_start_level_line . "] "
+		// 	. "prepareLog:<br>" . Support::printAr($traces);
+		// file + line: call not this but one before (the one that calls this)
+		// start from this level, if unset fall down until we are at null
+		// NOTE this has to be pushed to 3 for setMessage wrap calls
+		for ($trace_level = $stack_trace_start_level_line; $trace_level >= 0; $trace_level--) {
+			if (!isset($traces[$trace_level])) {
+				continue;
+			}
+			$file_line = ($traces[$trace_level]['file'] ?? $traces[$trace_level]['function'])
+				. ':' . ($traces[$trace_level]['line'] ?? '-');
+			// call function is one stack level above
+			$trace_level++;
+			// skip setting if we are in the top level already
+			if (!isset($traces[$trace_level])) {
+				break;
+			}
+			// as namespace\class->method
+			$caller_class_method =
+				// get the last call before we are in the Logging class
+				($traces[$trace_level]['class'] ?? '')
+				// connector, if unkown use ==
+				. ($traces[$trace_level]['type'] ?? '')
+				// method/function: prepareLog->(debug|info|...)->[THIS]
+				. $traces[$trace_level]['function'];
+			break;
+		}
+		// if not line is set
 		if (empty($file_line)) {
 			$file_line = System::getPageName(System::FULL_PATH);
 		}
 		// print "CLASS: " . $class . "<br>";
 		// get timestamp
-		$timestamp = Support::printTime();
+		if (!empty($this->options['log_time_format_iso'])) {
+			$timestamp = Support::printIsoTime();
+		} else {
+			$timestamp = Support::printTime();
+		}
 
 		// if group id is empty replace it with current level
 		$group_str = $level->getName();
@@ -603,6 +727,7 @@ class Logging
 	// PUBLIC STATIC METHJODS
 	// *********************************************************************
 
+	// MARK: set log level
 	/**
 	 * set the log level
 	 *
@@ -663,7 +788,7 @@ class Logging
 
 	// **** GET/SETTER
 
-	// log level set and get
+	// MARK: log level
 
 	/**
 	 * set new log level
@@ -698,7 +823,30 @@ class Logging
 		);
 	}
 
-	// log file id set (file name prefix)
+	// MARK: error log write level
+
+	/**
+	 * set the error_log write level
+	 *
+	 * @param  string|int|Level $level
+	 * @return void
+	 */
+	public function setErrorLogWriteLevel(string|int|Level $level): void
+	{
+		$this->error_log_write_level = $this->processLogLevel($level);
+	}
+
+	/**
+	 * get the current level for error_log write
+	 *
+	 * @return Level
+	 */
+	public function getErrorLogWriteLevel(): Level
+	{
+		return $this->error_log_write_level;
+	}
+
+	// MARK: log file id set (file name prefix)
 
 	/**
 	 * sets the internal log file prefix id
@@ -726,7 +874,7 @@ class Logging
 		return $this->log_file_id;
 	}
 
-	// log unique id set (for per run)
+	// MARK: log unique id set (for per run)
 
 	/**
 	 * Sets a unique id based on current date (y/m/d, h:i:s) and a unique id (8 chars)
@@ -739,7 +887,10 @@ class Logging
 	{
 		if (empty($this->log_file_unique_id) || $override == true) {
 			$this->log_file_unique_id =
-				date('Y-m-d_His') . '_U_'
+				date('Y-m-d_His')
+					. self::LOG_FILE_BLOCK_SEPARATOR
+					. 'U_'
+					// this doesn't have to be unique for everything, just for this logging purpose
 					. substr(hash(
 						'sha1',
 						random_bytes(63)
@@ -758,7 +909,7 @@ class Logging
 		return $this->log_file_unique_id;
 	}
 
-	// general log date
+	// MARK: general log date
 
 	/**
 	 * set the log file date to Y-m-d
@@ -781,7 +932,7 @@ class Logging
 		return $this->log_file_date;
 	}
 
-	// general flag set
+	// MARK: general flag set
 
 	/**
 	 * set one of the basic flags
@@ -836,7 +987,7 @@ class Logging
 		return $this->log_flags;
 	}
 
-	// log folder/file
+	// MARK: log folder/file
 
 	/**
 	 * set new log folder, check that folder is writeable
@@ -880,7 +1031,7 @@ class Logging
 		return $this->log_file_name;
 	}
 
-	// max log file size
+	// MARK: max log file size
 
 	/**
 	 * set mag log file size
@@ -911,7 +1062,31 @@ class Logging
 	}
 
 	// *********************************************************************
-	// OPTIONS CALLS
+	// MARK: ErrorMessage class overrides
+	// *********************************************************************
+
+	/**
+	 * call if called from Error Message setMessage wrapper
+	 *
+	 * @return void
+	 */
+	public function setErrorMessageCallSetMessage(): void
+	{
+		$this->error_message_call_set_message = true;
+	}
+
+	/**
+	 * call if called from Error Message setMessage wrapper
+	 *
+	 * @return void
+	 */
+	public function setErrorMessageCallSetErrorMsg(): void
+	{
+		$this->error_message_call_set_error_msg = true;
+	}
+
+	// *********************************************************************
+	// MARK: OPTIONS CALLS
 	// *********************************************************************
 
 	/**
@@ -929,6 +1104,8 @@ class Logging
 	// MAIN CALLS
 	// *********************************************************************
 
+	// MARK: main log call
+
 	/**
 	 * Commong log interface
 	 *
@@ -966,7 +1143,7 @@ class Logging
 	}
 
 	/**
-	 * DEBUG: 100
+	 * MARK: DEBUG: 100
 	 *
 	 * write debug data to error_msg array
 	 *
@@ -998,7 +1175,7 @@ class Logging
 	}
 
 	/**
-	 * INFO: 200
+	 * MARK: INFO: 200
 	 *
 	 * @param  string|Stringable $message
 	 * @param  mixed[] $context
@@ -1017,7 +1194,7 @@ class Logging
 	}
 
 	/**
-	 * NOTICE: 250
+	 * MARK: NOTICE: 250
 	 *
 	 * @param  string|Stringable $message
 	 * @param  mixed[] $context
@@ -1036,7 +1213,7 @@ class Logging
 	}
 
 	/**
-	 * WARNING: 300
+	 * MARK: WARNING: 300
 	 *
 	 * @param  string|Stringable $message
 	 * @param  mixed[] $context
@@ -1055,7 +1232,7 @@ class Logging
 	}
 
 	/**
-	 * ERROR: 400
+	 * MARK: ERROR: 400
 	 *
 	 * @param  string|Stringable $message
 	 * @param  mixed[] $context
@@ -1074,7 +1251,7 @@ class Logging
 	}
 
 	/**
-	 * CTRITICAL: 500
+	 * MARK: CTRITICAL: 500
 	 *
 	 * @param  string|Stringable $message
 	 * @param  mixed[] $context
@@ -1093,7 +1270,7 @@ class Logging
 	}
 
 	/**
-	 * ALERT: 550
+	 * MARK: ALERT: 550
 	 *
 	 * @param  string|Stringable $message
 	 * @param  mixed[] $context
@@ -1112,7 +1289,7 @@ class Logging
 	}
 
 	/**
-	 * EMERGENCY: 600
+	 * MARK: EMERGENCY: 600
 	 *
 	 * @param  string|Stringable $message
 	 * @param  mixed[] $context
@@ -1131,7 +1308,7 @@ class Logging
 	}
 
 	// *********************************************************************
-	// DEPRECATED SUPPORT CALLS
+	// MARK: DEPRECATED SUPPORT CALLS
 	// *********************************************************************
 
 	// legacy, but there are too many implemented
@@ -1189,7 +1366,7 @@ class Logging
 	}
 
 	// *********************************************************************
-	// DEPRECATED METHODS
+	// MARK: DEPRECATED METHODS
 	// *********************************************************************
 
 	/**
@@ -1355,7 +1532,7 @@ class Logging
 	}
 
 	// *********************************************************************
-	// DEBUG METHODS
+	// MARK: DEBUG METHODS
 	// *********************************************************************
 
 	/**
@@ -1375,19 +1552,21 @@ class Logging
 				Level::Error, Level::Critical, Level::Alert, Level::Emergency
 			] as $l
 		) {
+			print "Check: " . $this->log_level->getName() . " | " . $l->getName() . "<br>";
 			if ($this->log_level->isHigherThan($l)) {
-				print "L: " . $this->log_level->getName() . " > " .  $l->getName() . "<br>";
+				print "L(gt): " . $this->log_level->getName() . " > " .  $l->getName() . "<br>";
 			}
 			if ($this->log_level->includes($l)) {
-				print "L: " . $this->log_level->getName() . " <= " .  $l->getName() . "<br>";
+				print "L(le): " . $this->log_level->getName() . " <= " .  $l->getName() . "<br>";
 			}
 			if ($this->log_level->isLowerThan($l)) {
-				print "L: " . $this->log_level->getName() . " < " .  $l->getName() . "<br>";
+				print "L(lt): " . $this->log_level->getName() . " < " .  $l->getName() . "<br>";
 			}
 			echo "<br>";
 		}
 		// back to options level
 		$this->initLogLevel();
+		$this->initErrorLogWriteLevel();
 		print "OPT set level: " . $this->getLoggingLevel()->getName() . "<br>";
 	}
 }

src/Output/Form/Elements.php

@@ -194,13 +194,13 @@ class Elements
 			"/(mailto:)?(\>)?\b([\w\.-]+)@([\w\.\-]+)\.([a-zA-Z]{2,4})\b(\|([^\||^#]+)(#([^\|]+))?\|)?/",
 			function ($matches) {
 				return self::createEmail(
-					$matches[1] ?? '',
-					$matches[2] ?? '',
-					$matches[3] ?? '',
-					$matches[4] ?? '',
-					$matches[5] ?? '',
+					$matches[1],
+					$matches[2],
+					$matches[3],
+					$matches[4],
+					$matches[5],
 					$matches[7] ?? '',
-					$matches[9] ?? ''
+					$matches[9] ?? '',
 				);
 			},
 			$output

src/Output/Form/Generate.php

@@ -310,7 +310,7 @@ class Generate
 	 * construct form generator
 	 *
 	 * phpcs:ignore
-	 * @param array{db_name:string,db_user:string,db_pass:string,db_host:string,db_port:int,db_schema:string,db_encoding:string,db_type:string,db_ssl:string,db_convert_type?:string[]} $db_config db config array, mandatory
+	 * @param array{db_name:string,db_user:string,db_pass:string,db_host:string,db_port:int,db_schema:string,db_encoding:string,db_type:string,db_ssl:string,db_convert_type?:string[],db_convert_placeholder?:bool,db_convert_placeholder_target?:string,db_debug_replace_placeholder?:bool} $db_config db config array, mandatory
 	 * @param \CoreLibs\Logging\Logging $log          Logging class
 	 * @param \CoreLibs\Language\L10n $l10n         l10n language class
 	 * @param array<string,mixed>     $login_acl	Login ACL array,
@@ -474,7 +474,7 @@ class Generate
 					$page_name_camel_case
 			);
 		try {
-			/** @var TableArrays\Interface\TableArraysInterface|false $class */
+			/** @var TableArrays\Interface\TableArraysInterface $class */
 			$class = new $class_string($this);
 		} catch (\Throwable $t) {
 			$this->log->critical('CLASS LOADING: Failed loading: ' . $class_string . ' => ' . $t->getMessage());
@@ -826,27 +826,28 @@ class Generate
 				$pk_selected = $res[$this->int_pk_name];
 			}
 			$t_string = '';
-			foreach ($this->field_array as $i => $field_array) {
+			foreach ($this->field_array as $field_array) {
 				if ($t_string) {
 					$t_string .= ', ';
 				}
-				if (isset($field_array['before_value'])) {
-					$t_string .= $field_array['before_value'];
+				if (!empty($field_array['before_value'])) {
+					$t_string .= $this->l->__($field_array['before_value']);
 				}
 				// must have res element set
 				if (
-					isset($field_array['name']) &&
+					!empty($field_array['name']) &&
 					isset($res[$field_array['name']])
 				) {
-					if (isset($field_array['binary'])) {
-						if (isset($field_array['binary'][0])) {
-							$t_string .= $field_array['binary'][0];
-						} elseif (isset($field_array['binary'][1])) {
-							$t_string .= $field_array['binary'][1];
-						}
+					$_t_value = '';
+					// if we have a binary set, where 0 = YES and 1 = NO
+					if (!empty($field_array['binary'])) {
+						$_t_value = !empty($res[$field_array['name']]) ?
+							($field_array['binary'][0] ?? 'Yes') :
+							($field_array['binary'][1] ?? 'No');
 					} else {
-						$t_string .= $res[$field_array['name']];
+						$_t_value = $res[$field_array['name']];
 					}
+					$t_string .= $this->l->__($_t_value);
 				}
 			}
 			$pk_names[] = $t_string;
@@ -1370,7 +1371,7 @@ class Generate
 							) {
 								$this->msg .= sprintf(
 									$this->l->__('Please enter a valid (%s) input for the <b>%s</b> Field!<br>'),
-									$this->dba->getTableArray()[$key]['error_example'],
+									$this->dba->getTableArray()[$key]['error_example'] ?? '[MISSING]',
 									$this->dba->getTableArray()[$key]['output_name']
 								);
 							}
@@ -1506,7 +1507,7 @@ class Generate
 			}
 			if (
 				!empty($this->reference_array[$key]['mandatory']) &&
-				!$this->reference_array[$key]['selected'][0]
+				empty($this->reference_array[$key]['selected'][0])
 			) {
 				$this->msg .= sprintf(
 					$this->l->__('Please select at least one Element from field <b>%s</b>!<br>'),
@@ -1756,14 +1757,9 @@ class Generate
 				$this->dba->setTableArrayEntry($this->dba->getTableArray()[$key]['preset'], $key, 'value');
 			}
 		}
-		if (is_array($this->reference_array)) {
-			if (!is_array($this->reference_array)) {
-				$this->reference_array = [];
-			}
-			reset($this->reference_array);
-			foreach ($this->reference_array as $key => $value) {
-				unset($this->reference_array[$key]['selected']);
-			}
+		reset($this->reference_array);
+		foreach ($this->reference_array as $key => $value) {
+			unset($this->reference_array[$key]['selected']);
 		}
 		$this->warning = 1;
 		$this->msg = $this->l->__('Cleared for new Dataset!');
@@ -1786,20 +1782,15 @@ class Generate
 			$this->dba->unsetTableArrayEntry($key, 'input_value');
 		}
 
-		if (is_array($this->reference_array)) {
-			// load each reference_table
-			if (!is_array($this->reference_array)) {
-				$this->reference_array = [];
-			}
-			reset($this->reference_array);
-			foreach ($this->reference_array as $key => $value) {
-				unset($this->reference_array[$key]['selected']);
-				$q = 'SELECT ' . $this->reference_array[$key]['other_table_pk']
-					. ' FROM ' . $this->reference_array[$key]['table_name']
-					. ' WHERE ' . $this->int_pk_name . ' = ' . $this->dba->getTableArray()[$this->int_pk_name]['value'];
-				while (is_array($res = $this->dba->dbReturn($q))) {
-					$this->reference_array[$key]['selected'][] = $res[$this->reference_array[$key]['other_table_pk']];
-				}
+		// load each reference_table
+		reset($this->reference_array);
+		foreach ($this->reference_array as $key => $value) {
+			unset($this->reference_array[$key]['selected']);
+			$q = 'SELECT ' . $this->reference_array[$key]['other_table_pk']
+				. ' FROM ' . $this->reference_array[$key]['table_name']
+				. ' WHERE ' . $this->int_pk_name . ' = ' . $this->dba->getTableArray()[$this->int_pk_name]['value'];
+			while (is_array($res = $this->dba->dbReturn($q))) {
+				$this->reference_array[$key]['selected'][] = $res[$this->reference_array[$key]['other_table_pk']];
 			}
 		}
 		$this->warning = 1;
@@ -1978,24 +1969,19 @@ class Generate
 		// write the object
 		$this->dba->dbWrite($addslashes, [], true);
 		// write reference array (s) if necessary
-		if (is_array($this->reference_array)) {
-			if (!is_array($this->reference_array)) {
-				$this->reference_array = [];
+		reset($this->reference_array);
+		foreach ($this->reference_array as $reference_array) {
+			$q = 'DELETE FROM ' . $reference_array['table_name']
+				. ' WHERE ' . $this->int_pk_name . ' = ' . $this->dba->getTableArray()[$this->int_pk_name]['value'];
+			$this->dba->dbExec($q);
+			$q = 'INSERT INTO ' . $reference_array['table_name']
+				. ' (' . $reference_array['other_table_pk'] . ', ' . $this->int_pk_name . ') VALUES ';
+			for ($i = 0, $i_max = count($reference_array['selected']); $i < $i_max; $i++) {
+				$t_q = '(' . $reference_array['selected'][$i] . ', '
+					. $this->dba->getTableArray()[$this->int_pk_name]['value'] . ')';
+				$this->dba->dbExec($q . $t_q);
 			}
-			reset($this->reference_array);
-			foreach ($this->reference_array as $reference_array) {
-				$q = 'DELETE FROM ' . $reference_array['table_name']
-					. ' WHERE ' . $this->int_pk_name . ' = ' . $this->dba->getTableArray()[$this->int_pk_name]['value'];
-				$this->dba->dbExec($q);
-				$q = 'INSERT INTO ' . $reference_array['table_name']
-					. ' (' . $reference_array['other_table_pk'] . ', ' . $this->int_pk_name . ') VALUES ';
-				for ($i = 0, $i_max = count($reference_array['selected']); $i < $i_max; $i++) {
-					$t_q = '(' . $reference_array['selected'][$i] . ', '
-						. $this->dba->getTableArray()[$this->int_pk_name]['value'] . ')';
-					$this->dba->dbExec($q . $t_q);
-				}
-			} // foreach reference arrays
-		} // if reference arrays
+		} // foreach reference arrays
 		// write element list
 		if (!empty($this->element_list)) {
 			$type = [];
@@ -2229,16 +2215,11 @@ class Generate
 	public function formDeleteTableArray()
 	{
 		// remove any reference arrays
-		if (is_array($this->reference_array)) {
-			if (!is_array($this->reference_array)) {
-				$this->reference_array = [];
-			}
-			reset($this->reference_array);
-			foreach ($this->reference_array as $reference_array) {
-				$q = 'DELETE FROM ' . $reference_array['table_name']
-					. ' WHERE ' . $this->int_pk_name . ' = ' . $this->dba->getTableArray()[$this->int_pk_name]['value'];
-				$this->dba->dbExec($q);
-			}
+		reset($this->reference_array);
+		foreach ($this->reference_array as $reference_array) {
+			$q = 'DELETE FROM ' . $reference_array['table_name']
+				. ' WHERE ' . $this->int_pk_name . ' = ' . $this->dba->getTableArray()[$this->int_pk_name]['value'];
+			$this->dba->dbExec($q);
 		}
 		// remove any element list references
 		if (!empty($this->element_list)) {
@@ -2621,7 +2602,7 @@ class Generate
 			}
 		}
 		// add lost error ones
-		$this->log->error('P: ' . $data['prefix'] . ', '
+		$this->log->error('Prefix: ' . $data['prefix'] . ', '
 			. Support::prAr($_POST['ERROR'][$data['prefix']] ?? []));
 		if ($this->error && !empty($_POST['ERROR'][$data['prefix']])) {
 			$prfx = $data['prefix']; // short

src/Output/Form/TableArrays/EditPages.php

@@ -53,6 +53,7 @@ class EditPages implements Interface\TableArraysInterface
 					'value' => $_POST['name'] ?? '',
 					'output_name' => 'Page name',
 					'mandatory' => 1,
+					'error_check' => 'unique',
 					'type' => 'text'
 				],
 				'order_number' => [

src/Output/Form/TableArrays/EditUsers.php

@@ -50,7 +50,8 @@ class EditUsers implements Interface\TableArraysInterface
 					'HIDDEN_value' => $_POST['HIDDEN_password'] ?? '',
 					'CONFIRM_value' => $_POST['CONFIRM_password'] ?? '',
 					'output_name' => 'Password',
-					'mandatory' => 1,
+					// make it not mandatory to create dummy accounts that can only login via login url id
+					'mandatory' => 0,
 					'type' => 'password', // later has to be password for encryption in database
 					'update' => [ // connected field updates, and update data
 						'password_change_date' => [ // db row to update
@@ -135,30 +136,6 @@ class EditUsers implements Interface\TableArraysInterface
 					'min_edit_acl' => '100',
 					'min_show_acl' => '100',
 				],
-				'debug' => [
-					'value' => $_POST['debug'] ?? '',
-					'output_name' => 'Debug',
-					'type' => 'binary',
-					'int' => 1,
-					'element_list' => [
-						'1' => 'Yes',
-						'0' => 'No'
-					],
-					'min_edit_acl' => '100',
-					'min_show_acl' => '100',
-				],
-				'db_debug' => [
-					'value' => $_POST['db_debug'] ?? '',
-					'output_name' => 'DB Debug',
-					'type' => 'binary',
-					'int' => 1,
-					'element_list' => [
-						'1' => 'Yes',
-						'0' => 'No'
-					],
-					'min_edit_acl' => '100',
-					'min_show_acl' => '100',
-				],
 				'email' => [
 					'value' => $_POST['email'] ?? '',
 					'output_name' => 'E-Mail',
@@ -206,6 +183,7 @@ class EditUsers implements Interface\TableArraysInterface
 					'type' => 'text',
 					'error_check' => 'unique|custom',
 					'error_regex' => "/^[A-Za-z0-9]+$/",
+					'error_example' => "ABCdef123",
 					'emptynull' => 1,'min_edit_acl' => '100',
 					'min_show_acl' => '100',
 				],

src/Output/Form/Token.php

@@ -2,7 +2,7 @@
 
 /*
  * sets a form token in the _SESSION variable
- * session must be started for this to work
+ * session must be started and running for this to work
  */
 
 declare(strict_types=1);

src/Output/Image.php

@@ -78,7 +78,7 @@ class Image
 				if (!empty($dummy) && file_exists($filename) && is_file($filename)) {
 					$return_data = $filename;
 				} else {
-					throw new \Exception('Could not set dummy return file: ' . $dummy . ' in ' . $filename);
+					throw new \RuntimeException('Could not set dummy return file: ' . $dummy . ' in ' . $filename);
 				}
 			} else {
 				$return_data = $dummy;
@@ -204,11 +204,11 @@ class Image
 				E_USER_DEPRECATED
 			);
 			// NOTE: we need to depracte this
-			$cache_folder = BASE . LAYOUT . CONTENT_PATH . CACHE . IMAGES;
+			$cache_folder = BASE . CONTENT_PATH . LAYOUT . CACHE . IMAGES;
 			$web_folder = LAYOUT . CACHE . IMAGES;
 			if (!is_dir($cache_folder)) {
 				if (false === mkdir($cache_folder)) {
-					$cache_folder = BASE . LAYOUT . CONTENT_PATH . CACHE;
+					$cache_folder = BASE . CONTENT_PATH . LAYOUT . CACHE;
 					$web_folder = LAYOUT . CACHE;
 				}
 			}
@@ -256,8 +256,8 @@ class Image
 			}
 			// check resize parameters
 			if ($inc_width > $thumb_width || $inc_height > $thumb_height) {
-				$thumb_width_r = 0;
-				$thumb_height_r = 0;
+				$thumb_width_r = 1;
+				$thumb_height_r = 1;
 				// we need to keep the aspect ration on longest side
 				if (
 					($inc_height > $inc_width &&
@@ -288,6 +288,12 @@ class Image
 					!file_exists($thumbnail_write_path . $thumbnail)
 				) {
 					// image, copy source image, offset in image, source x/y, new size, source image size
+					if ($thumb_width_r < 1) {
+						$thumb_width_r = 1;
+					}
+					if ($thumb_height_r < 1) {
+						$thumb_height_r = 1;
+					}
 					$thumb = imagecreatetruecolor($thumb_width_r, $thumb_height_r);
 					if ($thumb === false) {
 						throw new \RuntimeException(
@@ -359,9 +365,6 @@ class Image
 								imagepng($thumb, $thumbnail_write_path . $thumbnail);
 								break;
 						}
-						// free up resources (in case we are called in a loop)
-						imagedestroy($source);
-						imagedestroy($thumb);
 					} else {
 						throw new \RuntimeException(
 							'Invalid source image file. Only JPEG/PNG are allowed: ' . $filename,
@@ -380,9 +383,7 @@ class Image
 				}
 			}
 			// add output path
-			if ($thumbnail !== false) {
-				$thumbnail = $thumbnail_web_path . $thumbnail;
-			}
+			$thumbnail = $thumbnail_web_path . $thumbnail;
 		} elseif ($create_dummy === true) {
 			// create dummy image in the thumbnail size
 			// if one side is missing, use the other side to create a square
@@ -399,10 +400,10 @@ class Image
 				!file_exists($thumbnail_write_path . $thumbnail)
 			) {
 				// if both are unset, set to 250
-				if ($thumb_height == 0) {
+				if ($thumb_height < 1) {
 					$thumb_height = 250;
 				}
-				if ($thumb_width == 0) {
+				if ($thumb_width < 1) {
 					$thumb_width = 250;
 				}
 				$thumb = imagecreatetruecolor($thumb_width, $thumb_height);
@@ -539,8 +540,6 @@ class Image
 				imagepng($img, $filename);
 				break;
 		}
-		// clean up image if we have an image
-		imagedestroy($img);
 	}
 }
 

src/Output/ProgressBar.php

@@ -156,7 +156,7 @@ class ProgressBar
 	{
 		// avoid divison through 0
 		if ($this->max - $this->min == 0) {
-			$this->max ++;
+			$this->max++;
 		}
 		$percent = round(($step - $this->min) / ($this->max - $this->min) * 100);
 		if ($percent > 100) {
@@ -186,7 +186,7 @@ class ProgressBar
 		}
 		// avoid divison through 0
 		if ($this->max - $this->min == 0) {
-			$this->max ++;
+			$this->max++;
 		}
 		$pixel = round(($step - $this->min) * ($bar - ($this->pedding * 2)) / ($this->max - $this->min));
 		if ($step <= $this->min) {
@@ -418,9 +418,7 @@ class ProgressBar
 		// if this is percent, we ignore anything, it is auto positioned
 		if ($this->label[$name]['type'] != 'percent') {
 			foreach (['top', 'left', 'width', 'height'] as $pos_name) {
-				if ($$pos_name !== false) {
-					$this->label[$name][$pos_name] = intval($$pos_name);
-				}
+				$this->label[$name][$pos_name] = intval($$pos_name);
 			}
 
 			if ($align != '') {

src/Security/AsymmetricAnonymousEncryption.php

@@ -0,0 +1,408 @@
+<?php
+
+/**
+ * very simple asymmetric encryption
+ * Better use:
+ * https://paragonie.com/project/halite
+ * https://github.com/paragonie/halite
+ *
+ * current code is just to encrypt and decrypt
+ *
+ * must use a valid encryption key created with
+ * Secruty\CreateKey class
+ */
+
+declare(strict_types=1);
+
+namespace CoreLibs\Security;
+
+use CoreLibs\Security\CreateKey;
+use SodiumException;
+
+class AsymmetricAnonymousEncryption
+{
+	/** @var AsymmetricAnonymousEncryption self instance */
+	private static AsymmetricAnonymousEncryption $instance;
+
+	/** @var ?string key pair which holds secret and public key, needed for encryption */
+	private ?string $key_pair = null;
+	/** @var ?string public key, needed for decryption
+	 * if not set but key_pair set, this will be extracted from key pair */
+	private ?string $public_key = null;
+
+	/**
+	 * init class
+	 * if key not passed, key must be set with createKey
+	 *
+	 * @param  string|null $key_pair
+	 * @param  string|null $public_key
+	 */
+	public function __construct(
+		#[\SensitiveParameter]
+		string|null $key_pair = null,
+		string|null $public_key = null
+	) {
+		if ($public_key !== null) {
+			$this->setPublicKey($public_key);
+		}
+		if ($key_pair !== null) {
+			$this->setKeyPair($key_pair);
+			if (empty($public_key)) {
+				$public_key = CreateKey::getPublicKey($key_pair);
+				$this->setPublicKey($public_key);
+			}
+		}
+	}
+
+	/**
+	 * Returns the singleton self object.
+	 * For function wrapper use
+	 *
+	 * @param  string|null $key_pair
+	 * @param  string|null $public_key
+	 * @return AsymmetricAnonymousEncryption object
+	 */
+	public static function getInstance(
+		#[\SensitiveParameter]
+		string|null $key_pair = null,
+		string|null $public_key = null
+	): self {
+		// new if no instsance or key is different
+		if (
+			empty(self::$instance) ||
+			self::$instance->key_pair != $key_pair ||
+			self::$instance->public_key != $public_key
+		) {
+			self::$instance = new self($key_pair, $public_key);
+		}
+		return self::$instance;
+	}
+
+	/**
+	 * clean up
+	 */
+	public function __destruct()
+	{
+		if (empty($this->key_pair)) {
+			return;
+		}
+		try {
+			// would set it to null, but we we do not want to make key null
+			sodium_memzero($this->key_pair);
+			return;
+		} catch (SodiumException) {
+			// empty catch
+		}
+		if (is_null($this->key_pair)) {
+			return;
+		}
+		$zero = str_repeat("\0", mb_strlen($this->key_pair, '8bit'));
+		$this->key_pair = $this->key_pair ^ (
+			$zero ^ $this->key_pair
+		);
+		unset($zero);
+		unset($this->key_pair); /** @phan-suppress-current-line PhanTypeObjectUnsetDeclaredProperty */
+	}
+
+	/* ************************************************************************
+	 * MARK: PRIVATE
+	 * *************************************************************************/
+
+	/**
+	 * Create the internal key pair in binary
+	 *
+	 * @param  ?string $key_pair
+	 * @return string
+	 * @throws \UnexpectedValueException key pair empty
+	 * @throws \UnexpectedValueException invalid hex key pair
+	 * @throws \RangeException key pair not correct size
+	 */
+	private function createKeyPair(
+		#[\SensitiveParameter]
+		?string $key_pair
+	): string {
+		if (empty($key_pair)) {
+			throw new \UnexpectedValueException('Key pair cannot be empty');
+		}
+		try {
+			$key_pair = CreateKey::hex2bin($key_pair);
+		} catch (SodiumException $e) {
+			sodium_memzero($key_pair);
+			throw new \UnexpectedValueException('Invalid hex key pair: ' . $e->getMessage());
+		}
+		if (mb_strlen($key_pair, '8bit') !== SODIUM_CRYPTO_BOX_KEYPAIRBYTES) {
+			sodium_memzero($key_pair);
+			throw new \RangeException(
+				'Key pair is not the correct size (must be '
+					. SODIUM_CRYPTO_BOX_KEYPAIRBYTES . ' bytes long).'
+			);
+		}
+		return $key_pair;
+	}
+
+	/**
+	 * create the internal public key in binary
+	 *
+	 * @param  ?string $public_key
+	 * @return string
+	 * @throws \UnexpectedValueException public key empty
+	 * @throws \UnexpectedValueException invalid hex key
+	 * @throws \RangeException invalid key length
+	 */
+	private function createPublicKey(?string $public_key): string
+	{
+		if (empty($public_key)) {
+			throw new \UnexpectedValueException('Public key cannot be empty');
+		}
+		try {
+			$public_key = CreateKey::hex2bin($public_key);
+		} catch (SodiumException $e) {
+			sodium_memzero($public_key);
+			throw new \UnexpectedValueException('Invalid hex public key: ' . $e->getMessage());
+		}
+		if (mb_strlen($public_key, '8bit') !== SODIUM_CRYPTO_BOX_PUBLICKEYBYTES) {
+			sodium_memzero($public_key);
+			throw new \RangeException(
+				'Public key is not the correct size (must be '
+					. SODIUM_CRYPTO_BOX_PUBLICKEYBYTES . ' bytes long).'
+			);
+		}
+		return $public_key;
+	}
+
+	/**
+	 * encrypt a message asymmetric with a bpulic key
+	 *
+	 * @param  string  $message
+	 * @param  ?string $public_key
+	 * @return string
+	 * @throws \UnexpectedValueException create encryption failed
+	 * @throws \UnexpectedValueException convert to base64 failed
+	 */
+	private function asymmetricEncryption(
+		#[\SensitiveParameter]
+		string $message,
+		?string $public_key
+	): string {
+		$public_key = $this->createPublicKey($public_key);
+		try {
+			$encrypted = sodium_crypto_box_seal($message, $public_key);
+		} catch (SodiumException $e) {
+			sodium_memzero($message);
+			throw new \UnexpectedValueException("Create encrypted message failed: " . $e->getMessage());
+		}
+		sodium_memzero($message);
+		try {
+			$result = sodium_bin2base64($encrypted, SODIUM_BASE64_VARIANT_ORIGINAL);
+		} catch (SodiumException $e) {
+			sodium_memzero($encrypted);
+			throw new \UnexpectedValueException("bin2base64 failed: " . $e->getMessage());
+		}
+		sodium_memzero($encrypted);
+		return $result;
+	}
+
+	/**
+	 * decrypt a message that is asymmetric encrypted with a key pair
+	 *
+	 * @param  string  $message
+	 * @param  ?string $key_pair
+	 * @return string
+	 * @throws \UnexpectedValueException message string empty
+	 * @throws \UnexpectedValueException base64 decoding failed
+	 * @throws \UnexpectedValueException decryption failed
+	 * @throws \UnexpectedValueException could not decrypt message
+	 */
+	private function asymmetricDecryption(
+		#[\SensitiveParameter]
+		string $message,
+		#[\SensitiveParameter]
+		?string $key_pair
+	): string {
+		if (empty($message)) {
+			throw new \UnexpectedValueException('Encrypted string cannot be empty');
+		}
+		$key_pair = $this->createKeyPair($key_pair);
+		try {
+			$result = sodium_base642bin($message, SODIUM_BASE64_VARIANT_ORIGINAL);
+		} catch (SodiumException $e) {
+			sodium_memzero($message);
+			sodium_memzero($key_pair);
+			throw new \UnexpectedValueException("base642bin failed: " . $e->getMessage());
+		}
+		sodium_memzero($message);
+		$plaintext = false;
+		try {
+			$plaintext = sodium_crypto_box_seal_open($result, $key_pair);
+		} catch (SodiumException $e) {
+			sodium_memzero($message);
+			sodium_memzero($key_pair);
+			sodium_memzero($result);
+			throw new \UnexpectedValueException("Decrypting message failed: " . $e->getMessage());
+		}
+		sodium_memzero($key_pair);
+		sodium_memzero($result);
+		if (!is_string($plaintext)) {
+			throw new \UnexpectedValueException('Invalid key pair');
+		}
+		return $plaintext;
+	}
+
+	/* ************************************************************************
+	 * MARK: PUBLIC
+	 * *************************************************************************/
+
+	/**
+	 * sets the private key for encryption
+	 *
+	 * @param  string $key_pair Key pair in hex
+	 * @return AsymmetricAnonymousEncryption
+	 * @throws \UnexpectedValueException key pair empty
+	 */
+	public function setKeyPair(
+		#[\SensitiveParameter]
+		string $key_pair
+	): AsymmetricAnonymousEncryption {
+		if (empty($key_pair)) {
+			throw new \UnexpectedValueException('Key pair cannot be empty');
+		}
+		// check if valid;
+		$this->createKeyPair($key_pair);
+		// set new key pair
+		$this->key_pair = $key_pair;
+		sodium_memzero($key_pair);
+		// set public key if not set
+		if (empty($this->public_key)) {
+			$this->public_key = CreateKey::getPublicKey($this->key_pair);
+			// check if valid
+			$this->createPublicKey($this->public_key);
+		}
+		return $this;
+	}
+
+	/**
+	 * check if set key pair matches given one
+	 *
+	 * @param  string $key_pair
+	 * @return bool
+	 */
+	public function compareKeyPair(
+		#[\SensitiveParameter]
+		string $key_pair
+	): bool {
+		return $this->key_pair === $key_pair;
+	}
+
+	/**
+	 * get the current set key pair, null if not set
+	 *
+	 * @return string|null
+	 */
+	public function getKeyPair(): ?string
+	{
+		return $this->key_pair;
+	}
+
+	/**
+	 * sets the public key for decryption
+	 * if only key pair exists Security\Create::getPublicKey() can be used to
+	 * extract the public key from the key pair
+	 *
+	 * @param  string $public_key Public Key in hex
+	 * @return AsymmetricAnonymousEncryption
+	 * @throws \UnexpectedValueException public key empty
+	 */
+	public function setPublicKey(string $public_key): AsymmetricAnonymousEncryption
+	{
+		if (empty($public_key)) {
+			throw new \UnexpectedValueException('Public key cannot be empty');
+		}
+		// check if valid
+		$this->createPublicKey($public_key);
+		$this->public_key = $public_key;
+		sodium_memzero($public_key);
+		return $this;
+	}
+
+	/**
+	 * check if the set public key matches the given one
+	 *
+	 * @param  string $public_key
+	 * @return bool
+	 */
+	public function comparePublicKey(string $public_key): bool
+	{
+		return $this->public_key === $public_key;
+	}
+
+	/**
+	 * get the current set public key, null if not set
+	 *
+	 * @return string|null
+	 */
+	public function getPublicKey(): ?string
+	{
+		return $this->public_key;
+	}
+
+	/**
+	 * Encrypt a message with a public key
+	 * static version
+	 *
+	 * @param  string $message    Message to encrypt
+	 * @param  string $public_key Public key in hex to encrypt message with
+	 * @return string             Encrypted message as hex string
+	 */
+	public static function encryptKey(
+		#[\SensitiveParameter]
+		string $message,
+		string $public_key
+	): string {
+		return self::getInstance()->asymmetricEncryption($message, $public_key);
+	}
+
+	/**
+	 * Encrypt a message
+	 *
+	 * @param  string $message Message to ecnrypt
+	 * @return string          Encrypted message as hex string
+	 */
+	public function encrypt(
+		#[\SensitiveParameter]
+		string $message
+	): string {
+		return $this->asymmetricEncryption($message, $this->public_key);
+	}
+
+	/**
+	 * decrypt a message with a key pair
+	 * static version
+	 *
+	 * @param  string $message  Message to decrypt in hex
+	 * @param  string $key_pair Key pair in hex to decrypt the message with
+	 * @return string           Decrypted message
+	 */
+	public static function decryptKey(
+		#[\SensitiveParameter]
+		string $message,
+		#[\SensitiveParameter]
+		string $key_pair
+	): string {
+		return self::getInstance()->asymmetricDecryption($message, $key_pair);
+	}
+
+	/**
+	 * decrypt a message
+	 *
+	 * @param  string $message Message to decrypt in hex
+	 * @return string          Decrypted message
+	 */
+	public function decrypt(
+		#[\SensitiveParameter]
+		string $message
+	): string {
+		return $this->asymmetricDecryption($message, $this->key_pair);
+	}
+}
+
+// __END__

src/Security/CreateKey.php

@@ -35,14 +35,39 @@ class CreateKey
 		return random_bytes(SODIUM_CRYPTO_SECRETBOX_KEYBYTES);
 	}
 
+	/**
+	 * creates a sodium cyptobox keypair as hex string
+	 *
+	 * @return string hex string for the keypair
+	 */
+	public static function createKeyPair(): string
+	{
+		return self::bin2hex(sodium_crypto_box_keypair());
+	}
+
+	/**
+	 * extracts the public key and returns it as hex string from the hex keypari
+	 *
+	 * @param  string $hex_keypair hex encoded keypair
+	 * @return string              hex encoded public key
+	 */
+	public static function getPublicKey(
+		#[\SensitiveParameter]
+		string $hex_keypair
+	): string {
+		return self::bin2hex(sodium_crypto_box_publickey(self::hex2bin($hex_keypair)));
+	}
+
 	/**
 	 * convert binary key to hex string
 	 *
 	 * @param  string $hex_key Convert binary key string to hex
 	 * @return string
 	 */
-	public static function bin2hex(string $hex_key): string
-	{
+	public static function bin2hex(
+		#[\SensitiveParameter]
+		string $hex_key
+	): string {
 		return sodium_bin2hex($hex_key);
 	}
 
@@ -52,8 +77,10 @@ class CreateKey
 	 * @param  string $string_key Convery hex key string to binary
 	 * @return string
 	 */
-	public static function hex2bin(string $string_key): string
-	{
+	public static function hex2bin(
+		#[\SensitiveParameter]
+		string $string_key
+	): string {
 		return sodium_hex2bin($string_key);
 	}
 }

src/Security/Password.php

@@ -16,8 +16,10 @@ class Password
 	 * @param  string $password password
 	 * @return string           hashed password
 	 */
-	public static function passwordSet(string $password): string
-	{
+	public static function passwordSet(
+		#[\SensitiveParameter]
+		string $password
+	): string {
 		// always use the PHP default for the password
 		// password options ca be set in the password init,
 		// but should be kept as default
@@ -31,8 +33,11 @@ class Password
 	 * @param  string $hash     password hash
 	 * @return bool             true or false
 	 */
-	public static function passwordVerify(string $password, string $hash): bool
-	{
+	public static function passwordVerify(
+		#[\SensitiveParameter]
+		string $password,
+		string $hash
+	): bool {
 		if (password_verify($password, $hash)) {
 			return true;
 		} else {

src/Security/SymmetricEncryption.php

@@ -21,78 +21,293 @@ use SodiumException;
 
 class SymmetricEncryption
 {
+	/** @var SymmetricEncryption self instance */
+	private static SymmetricEncryption $instance;
+
+	/** @var ?string bin hex key */
+	private ?string $key = null;
+
 	/**
-	 * Encrypt a message
+	 * init class
+	 * if key not passed, key must be set with createKey
 	 *
-	 * @param  string $message Message to encrypt
-	 * @param  string $key     Encryption key (as hex string)
-	 * @return string
-	 * @throws \Exception
-	 * @throws \RangeException
+	 * @param string|null $key encryption key
 	 */
-	public static function encrypt(string $message, string $key): string
+	public function __construct(
+		?string $key = null
+	) {
+		if ($key !== null) {
+			$this->setKey($key);
+		}
+	}
+
+	/**
+	 * Returns the singleton self object.
+	 * For function wrapper use
+	 *
+	 * @param  string|null $key encryption key
+	 * @return SymmetricEncryption object
+	 */
+	public static function getInstance(?string $key = null): self
 	{
+		// new if no instsance or key is different
+		if (
+			empty(self::$instance) ||
+			self::$instance->key != $key
+		) {
+			self::$instance = new self($key);
+		}
+		return self::$instance;
+	}
+
+	/**
+	 * clean up
+	 *
+	 * @return void
+	 */
+	public function __deconstruct()
+	{
+		if (empty($this->key)) {
+			return;
+		}
+		try {
+			// would set it to null, but we we do not want to make key null
+			sodium_memzero($this->key);
+			return;
+		} catch (SodiumException) {
+			// empty catch
+		}
+		if (is_null($this->key)) {
+			return;
+		}
+		$zero = str_repeat("\0", mb_strlen($this->key, '8bit'));
+		$this->key = $this->key ^ (
+			$zero ^ $this->key
+		);
+		unset($zero);
+		unset($this->key); /** @phan-suppress-current-line PhanTypeObjectUnsetDeclaredProperty */
+	}
+
+	/* ************************************************************************
+	 * MARK: PRIVATE
+	 * *************************************************************************/
+
+	/**
+	 * create key and check validity
+	 *
+	 * @param  ?string $key The key from which the binary key will be created
+	 * @return string       Binary key string
+	 * @throws \UnexpectedValueException empty key
+	 * @throws \UnexpectedValueException invalid hex key
+	 * @throws \RangeException invalid length
+	 */
+	private function createKey(
+		#[\SensitiveParameter]
+		?string $key
+	): string {
+		if (empty($key)) {
+			throw new \UnexpectedValueException('Key cannot be empty');
+		}
 		try {
 			$key = CreateKey::hex2bin($key);
 		} catch (SodiumException $e) {
-			throw new \UnexpectedValueException('Invalid hex key');
+			throw new \UnexpectedValueException('Invalid hex key: ' . $e->getMessage());
 		}
 		if (mb_strlen($key, '8bit') !== SODIUM_CRYPTO_SECRETBOX_KEYBYTES) {
 			throw new \RangeException(
 				'Key is not the correct size (must be '
-					. 'SODIUM_CRYPTO_SECRETBOX_KEYBYTES bytes long).'
+					. SODIUM_CRYPTO_SECRETBOX_KEYBYTES . ' bytes long).'
 			);
 		}
-		$nonce = random_bytes(SODIUM_CRYPTO_SECRETBOX_NONCEBYTES);
+		return $key;
+	}
 
-		$cipher = base64_encode(
-			$nonce
-			. sodium_crypto_secretbox(
-				$message,
+	/**
+	 * Decryption call
+	 *
+	 * @param  string  $encrypted Text to decrypt
+	 * @param  ?string $key       Mandatory encryption key, will throw exception if empty
+	 * @return string             Plain text
+	 * @throws \UnexpectedValueException key cannot be empty
+	 * @throws \UnexpectedValueException decipher message failed
+	 * @throws \UnexpectedValueException invalid key
+	 */
+	private function decryptData(
+		#[\SensitiveParameter]
+		string $encrypted,
+		#[\SensitiveParameter]
+		?string $key
+	): string {
+		if (empty($encrypted)) {
+			throw new \UnexpectedValueException('Encrypted string cannot be empty');
+		}
+		$key = $this->createKey($key);
+		$decoded = base64_decode($encrypted);
+		$nonce = mb_substr($decoded, 0, SODIUM_CRYPTO_SECRETBOX_NONCEBYTES, '8bit');
+		$ciphertext = mb_substr($decoded, SODIUM_CRYPTO_SECRETBOX_NONCEBYTES, null, '8bit');
+
+		$plaintext = false;
+		try {
+			$plaintext = sodium_crypto_secretbox_open(
+				$ciphertext,
 				$nonce,
 				$key
-			)
-		);
+			);
+		} catch (SodiumException $e) {
+			sodium_memzero($ciphertext);
+			sodium_memzero($key);
+			throw new \UnexpectedValueException('Decipher message failed: ' . $e->getMessage());
+		}
+		sodium_memzero($ciphertext);
+		sodium_memzero($key);
+		if (!is_string($plaintext)) {
+			throw new \UnexpectedValueException('Invalid Key');
+		}
+		return $plaintext;
+	}
+
+	/**
+	 * Encrypt a message
+	 *
+	 * @param  string  $message Message to encrypt
+	 * @param  ?string $key     Mandatory encryption key, will throw exception if empty
+	 * @return string           Ciphered text
+	 * @throws \UnexpectedValueException create message failed
+	 */
+	private function encryptData(
+		#[\SensitiveParameter]
+		string $message,
+		#[\SensitiveParameter]
+		?string $key
+	): string {
+		$key = $this->createKey($key);
+		$nonce = random_bytes(SODIUM_CRYPTO_SECRETBOX_NONCEBYTES);
+		try {
+			$cipher = base64_encode(
+				$nonce
+				. sodium_crypto_secretbox(
+					$message,
+					$nonce,
+					$key,
+				)
+			);
+		} catch (SodiumException $e) {
+			sodium_memzero($message);
+			sodium_memzero($key);
+			throw new \UnexpectedValueException("Create encrypted message failed: " . $e->getMessage());
+		}
 		sodium_memzero($message);
 		sodium_memzero($key);
 		return $cipher;
 	}
 
+	/* ************************************************************************
+	 * MARK: PUBLIC
+	 * *************************************************************************/
+
+	/**
+	 * set a new key for encryption
+	 *
+	 * @param  string $key
+	 * @return SymmetricEncryption
+	 * @throws \UnexpectedValueException key cannot be empty
+	 */
+	public function setKey(
+		#[\SensitiveParameter]
+		string $key
+	): SymmetricEncryption {
+		if (empty($key)) {
+			throw new \UnexpectedValueException('Key cannot be empty');
+		}
+		// check that this is a valid key
+		$this->createKey($key);
+		// set key
+		$this->key = $key;
+		sodium_memzero($key);
+		return $this;
+	}
+
+	/**
+	 * Checks if set key is equal to parameter key
+	 *
+	 * @param  string $key
+	 * @return bool
+	 */
+	public function compareKey(
+		#[\SensitiveParameter]
+		string $key
+	): bool {
+		return $key === $this->key;
+	}
+
+	/**
+	 * returns the current set key, null if not set
+	 *
+	 * @return ?string
+	 */
+	public function getKey(): ?string
+	{
+		return $this->key;
+	}
+
+	/**
+	 * Decrypt a message
+	 * static version
+	 *
+	 * @param  string $encrypted Message encrypted with safeEncrypt()
+	 * @param  string $key       Encryption key (as hex string)
+	 * @return string
+	 */
+	public static function decryptKey(
+		#[\SensitiveParameter]
+		string $encrypted,
+		#[\SensitiveParameter]
+		string $key
+	): string {
+		return self::getInstance()->decryptData($encrypted, $key);
+	}
+
 	/**
 	 * Decrypt a message
 	 *
 	 * @param  string $encrypted Message encrypted with safeEncrypt()
-	 * @param  string $key       Encryption key (as hex string)
 	 * @return string
-	 * @throws \Exception
 	 */
-	public static function decrypt(string $encrypted, string $key): string
-	{
-		try {
-			$key = CreateKey::hex2bin($key);
-		} catch (SodiumException $e) {
-			throw new \Exception('Invalid hex key');
-		}
-		$decoded = base64_decode($encrypted);
-		$nonce = mb_substr($decoded, 0, SODIUM_CRYPTO_SECRETBOX_NONCEBYTES, '8bit');
-		$ciphertext = mb_substr($decoded, SODIUM_CRYPTO_SECRETBOX_NONCEBYTES, null, '8bit');
+	public function decrypt(
+		#[\SensitiveParameter]
+		string $encrypted
+	): string {
+		return $this->decryptData($encrypted, $this->key);
+	}
 
-		$plain = false;
-		try {
-			$plain = sodium_crypto_secretbox_open(
-				$ciphertext,
-				$nonce,
-				$key
-			);
-		} catch (SodiumException $e) {
-			throw new \UnexpectedValueException('Invalid ciphertext (too short)');
-		}
-		if (!is_string($plain)) {
-			throw new \UnexpectedValueException('Invalid Key');
-		}
-		sodium_memzero($ciphertext);
-		sodium_memzero($key);
-		return $plain;
+	/**
+	 * Encrypt a message
+	 * static version
+	 *
+	 * @param  string $message Message to encrypt
+	 * @param  string $key     Encryption key (as hex string)
+	 * @return string
+	 */
+	public static function encryptKey(
+		#[\SensitiveParameter]
+		string $message,
+		#[\SensitiveParameter]
+		string $key
+	): string {
+		return self::getInstance()->encryptData($message, $key);
+	}
+
+	/**
+	 * Encrypt a message
+	 *
+	 * @param  string $message Message to encrypt
+	 * @return string
+	 */
+	public function encrypt(
+		#[\SensitiveParameter]
+		string $message
+	): string {
+		return $this->encryptData($message, $this->key);
 	}
 }
 

src/Template/HtmlBuilder/Block.php

@@ -19,7 +19,7 @@ use CoreLibs\Template\HtmlBuilder\General\HtmlBuilderExcpetion;
 class Block
 {
 	/**
-	 * Undocumented function
+	 * Create Element
 	 *
 	 * @param  string $tag
 	 * @param  string $id
@@ -86,7 +86,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Add multiple elements to the base element
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $base
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} ...$attach
@@ -101,7 +101,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Add multiple sub elements to the base element
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $element
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $sub
@@ -117,7 +117,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Remove all sub element entries
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $element
 	 * @return array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>}
@@ -131,7 +131,7 @@ class Block
 	// CSS Elements
 
 	/**
-	 * Undocumented function
+	 * Add css entry to the css entries
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $element
 	 * @param  string ...$css
@@ -144,7 +144,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Remove a css entry entry from the css array
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $element
 	 * @param  string ...$css
@@ -157,7 +157,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Switch CSS entries
 	 * scssel (switch) is not supported
 	 * use rcssel -> acssel
 	 *
@@ -175,7 +175,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Build HTML from the content tree
 	 * alias phfo
 	 *
 	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $tree
@@ -231,7 +231,19 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
+	 * Alias for phfo
+	 *
+	 * @param  array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>} $tree
+	 * @param  bool         $add_nl [default=false]
+	 * @return string
+	 */
+	public static function phfo(array $tree, bool $add_nl = false): string
+	{
+		return self::buildHtml($tree, $add_nl);
+	}
+
+	/**
+	 * Build HTML elements from an array of elements
 	 * alias phfa
 	 *
 	 * @param  array<array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>}> $list
@@ -248,8 +260,7 @@ class Block
 	}
 
 	/**
-	 * Undocumented function
-	 * wrapper for buildHtmlFromList
+	 * alias for buildHtmlFromList
 	 *
 	 * @param  array<array{tag:string,id:string,name:string,content:string,css:array<string>,options:array<string,string>,sub:array<mixed>}> $list                   array of Elements to build string from
 	 * @param  bool           $add_nl [default=false] Optional output string line break

src/Template/HtmlBuilder/Element.php

@@ -401,7 +401,7 @@ class Element
 	 * @param  bool         $add_nl [default=false] Optional output string line breaks
 	 * @return string                               HTML as string
 	 */
-	public function buildHtml(Element $tree = null, bool $add_nl = false): string
+	public function buildHtml(?Element $tree = null, bool $add_nl = false): string
 	{
 		// print "D01: " . microtime(true) . "<br>";
 		if ($tree === null) {
@@ -533,7 +533,7 @@ class Element
 	 * @return string                           build html as string
 	 * @deprecated Do not use, use Element->buildHtml() instead
 	 */
-	public static function printHtmlFromObject(Element $tree = null, bool $add_nl = false): string
+	public static function printHtmlFromObject(?Element $tree = null, bool $add_nl = false): string
 	{
 		// nothing ->bad
 		if ($tree === null) {

src/Template/SmartyExtend.php

@@ -19,12 +19,13 @@ declare(strict_types=1);
 
 namespace CoreLibs\Template;
 
-// leading slash if this is in lib\Smarty
-class SmartyExtend extends \Smarty
+class SmartyExtend extends \Smarty\Smarty
 {
 	// internal translation engine
-	/** @var \CoreLibs\Language\L10n */
+	/** @var \CoreLibs\Language\L10n language class */
 	public \CoreLibs\Language\L10n $l10n;
+	/** @var \CoreLibs\Logging\Logging $log logging class */
+	public \CoreLibs\Logging\Logging $log;
 
 	// lang & encoding
 	/** @var string */
@@ -157,14 +158,18 @@ class SmartyExtend extends \Smarty
 	 * calls L10 for pass on internaly in smarty
 	 * also registers the getvar caller plugin
 	 *
-	 * @param \CoreLibs\Language\L10n $l10n l10n language class
-	 * @param string|null             $cache_id
-	 * @param string|null             $compile_id
+	 * @param \CoreLibs\Language\L10n   $l10n l10n language class
+	 * @param \CoreLibs\Logging\Logging $log Logger class
+	 * @param string|null               $cache_id [default=null]
+	 * @param string|null               $compile_id [default=null]
+	 * @param array<string,mixed>       $options [default=[]]
 	 */
 	public function __construct(
 		\CoreLibs\Language\L10n $l10n,
+		\CoreLibs\Logging\Logging $log,
 		?string $cache_id = null,
-		?string $compile_id = null
+		?string $compile_id = null,
+		array $options = []
 	) {
 		// trigger deprecation
 		if (
@@ -177,15 +182,34 @@ class SmartyExtend extends \Smarty
 				E_USER_DEPRECATED
 			);
 		}
-		// set variables (to be deprecated)
-		$cache_id = $cache_id ??
-			(defined('CACHE_ID') ? CACHE_ID : '');
-		$compile_id = $compile_id ??
-			(defined('COMPILE_ID') ? COMPILE_ID : '');
+		// set variables from global constants (deprecated)
+		if ($cache_id === null && defined('CACHE_ID')) {
+			trigger_error(
+				'SmartyExtended: No cache_id set and CACHE_ID constant set, this is deprecated',
+				E_USER_DEPRECATED
+			);
+			$cache_id = CACHE_ID;
+		}
+		if ($compile_id === null && defined('COMPILE_ID')) {
+			trigger_error(
+				'SmartyExtended: No compile_id set and COMPILE_ID constant set, this is deprecated',
+				E_USER_DEPRECATED
+			);
+			$compile_id = COMPILE_ID;
+		}
+		if (empty($cache_id)) {
+			throw new \BadMethodCallException('cache_id parameter is not set');
+		}
+		if (empty($compile_id)) {
+			throw new \BadMethodCallException('compile_id parameter is not set');
+		}
+
 		// call basic smarty
-		// or Smarty::__construct();
 		parent::__construct();
-		// iinit lang
+
+		$this->log = $log;
+
+		// init lang
 		$this->l10n = $l10n;
 		// parse and read, legacy stuff
 		$locale = $this->l10n->getLocaleAsArray();
@@ -194,7 +218,6 @@ class SmartyExtend extends \Smarty
 		$this->lang_short = $locale['lang_short'];
 		$this->domain = $locale['domain'];
 		$this->lang_dir = $locale['path'];
-
 		// opt load functions so we can use legacy init for smarty run perhaps
 		\CoreLibs\Language\L10n::loadFunctions();
 		_setlocale(LC_MESSAGES, $locale['locale']);
@@ -203,13 +226,84 @@ class SmartyExtend extends \Smarty
 		_bind_textdomain_codeset($this->domain, $this->encoding);
 
 		// register smarty variable
-		$this->registerPlugin('modifier', 'getvar', [&$this, 'getTemplateVars']);
+		$this->registerPlugin(self::PLUGIN_MODIFIER, 'getvar', [&$this, 'getTemplateVars']);
 
 		$this->page_name = \CoreLibs\Get\System::getPageName();
 
 		// set internal settings
 		$this->CACHE_ID = $cache_id;
 		$this->COMPILE_ID = $compile_id;
+		// set options
+		$this->setOptions($options);
+	}
+
+	/**
+	 * set options
+	 *
+	 * @param  array<string,mixed> $options
+	 * @return void
+	 */
+	private function setOptions(array $options): void
+	{
+		// set escape html if option is set
+		if (!empty($options['escape_html'])) {
+			$this->setEscapeHtml(true);
+		}
+		// load plugins
+		// plugin array:
+		// 'file': string, path to plugin content to load
+		// 'type': a valid smarty type see Smarty PLUGIN_ constants for correct names
+		// 'tag': the smarty tag
+		// 'callback': the function to call in 'file'
+		if (!empty($options['plugins'])) {
+			foreach ($options['plugins'] as $plugin) {
+				// file is readable
+				if (
+					empty($plugin['file']) ||
+					!is_file($plugin['file']) ||
+					!is_readable($plugin['file'])
+				) {
+					$this->log->warning('SmartyExtended plugin load failed, file not accessable', [
+						'plugin' => $plugin,
+					]);
+					continue;
+				}
+				// tag is alphanumeric
+				if (!preg_match("/^\w+$/", $plugin['tag'] ?? '')) {
+					$this->log->warning('SmartyExtended plugin load failed, invalid tag', [
+						'plugin' => $plugin,
+					]);
+					continue;
+				}
+				// callback is alphanumeric
+				if (!preg_match("/^\w+$/", $plugin['callback'] ?? '')) {
+					$this->log->warning('SmartyExtended plugin load failed, invalid callback', [
+						'plugin' => $plugin,
+					]);
+					continue;
+				}
+				try {
+					/** @phan-suppress-next-line PhanNoopNew */
+					new \ReflectionClassConstant($this, $plugin['type']);
+				} catch (\ReflectionException $e) {
+					$this->log->error('SmartyExtended plugin load failed, type is not valid', [
+						'message' => $e->getMessage(),
+						'plugin' => $plugin,
+					]);
+					continue;
+				}
+				try {
+					require $plugin['file'];
+					$this->registerPlugin($plugin['type'], $plugin['tag'], $plugin['callback']);
+				} catch (\Smarty\Exception $e) {
+					$this->log->error('SmartyExtended plugin load failed with exception', [
+						'message' => $e->getMessage(),
+						'plugin' => $plugin,
+					]);
+					continue;
+				}
+			}
+		}
 	}
 
 	/**

src/UrlRequests/CurlTrait.php

@@ -0,0 +1,128 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/10/29
+ * DESCRIPTION:
+ * Curl Client Trait for get/post/put/delete requests through the php curl inteface
+ *
+ * For anything more complex use guzzlehttp/http
+ * https://docs.guzzlephp.org/en/stable/index.html
+*/
+
+// phpcs:disable Generic.Files.LineLength
+
+declare(strict_types=1);
+
+namespace CoreLibs\UrlRequests;
+
+trait CurlTrait
+{
+	/**
+	 * combined set call for any type of request with options type parameters
+	 * The following options can be set:
+	 * header: as array string:string
+	 * query as string or array string:string
+	 * body as string or array of any type
+	 *
+	 * @param  string $type What type of request we send, will throw exception if not a valid one
+	 * @param  string $url  The url to send
+	 * @param  array{auth?:null|array{0:string,1:string,2:string},headers?:null|array<string,string|array<string>>,query?:null|array<string,string>,body?:null|string|array<mixed>,http_errors?:null|bool} $options Request options
+	 * @return array{code:string,headers:array<string,array<string>>,content:string} [default=[]] Result code, headers and content as array, content is json
+	 * @throws \UnexpectedValueException on missing body data when body data is needed
+	 */
+	abstract public function request(string $type, string $url, array $options = []): array;
+
+	/**
+	 * Makes an request to the target url via curl: GET
+	 * Returns result as string (json)
+	 *
+	 * @param  string                          $url     The URL being requested,
+	 *                                                  including domain and protocol
+	 * @param  array{auth?:null|array{0:string,1:string,2:string},headers?:null|array<string,string|array<string>>,query?:null|array<string,string>,body?:null|string|array<mixed>,http_errors?:null|bool} $options Options to set
+	 * @return array{code:string,headers:array<string,array<string>>,content:string} [default=[]] Result code, headers and content as array, content is json
+	 */
+	public function get(string $url, array $options = []): array
+	{
+		return $this->request(
+			"get",
+			$url,
+			$options,
+		);
+	}
+
+	/**
+	 * Makes an request to the target url via curl: POST
+	 * Returns result as string (json)
+	 *
+	 * @param  string                          $url     The URL being requested,
+	 *                                                  including domain and protocol
+	 * @param  array{auth?:null|array{0:string,1:string,2:string},headers?:null|array<string,string|array<string>>,query?:null|array<string,string>,body?:null|string|array<mixed>,http_errors?:null|bool} $options Options to set
+	 * @return array{code:string,headers:array<string,array<string>>,content:string} Result code, headers and content as array, content is json
+	 */
+	public function post(string $url, array $options): array
+	{
+		return $this->request(
+			"post",
+			$url,
+			$options,
+		);
+	}
+
+	/**
+	 * Makes an request to the target url via curl: PUT
+	 * Returns result as string (json)
+	 *
+	 * @param  string                          $url     The URL being requested,
+	 *                                                  including domain and protocol
+	 * @param  array{auth?:null|array{0:string,1:string,2:string},headers?:null|array<string,string|array<string>>,query?:null|array<string,string>,body?:null|string|array<mixed>,http_errors?:null|bool} $options Options to set
+	 * @return array{code:string,headers:array<string,array<string>>,content:string} Result code, headers and content as array, content is json
+	 */
+	public function put(string $url, array $options): array
+	{
+		return $this->request(
+			"put",
+			$url,
+			$options,
+		);
+	}
+
+	/**
+	 * Makes an request to the target url via curl: PATCH
+	 * Returns result as string (json)
+	 *
+	 * @param  string                          $url     The URL being requested,
+	 *                                                  including domain and protocol
+	 * @param  array{auth?:null|array{0:string,1:string,2:string},headers?:null|array<string,string|array<string>>,query?:null|array<string,string>,body?:null|string|array<mixed>,http_errors?:null|bool} $options Options to set
+	 * @return array{code:string,headers:array<string,array<string>>,content:string} Result code, headers and content as array, content is json
+	 */
+	public function patch(string $url, array $options): array
+	{
+		return $this->request(
+			"patch",
+			$url,
+			$options,
+		);
+	}
+
+	/**
+	 * Makes an request to the target url via curl: DELETE
+	 * Returns result as string (json)
+	 * Note that DELETE body is optional
+	 *
+	 * @param  string                          $url     The URL being requested,
+	 *                                                  including domain and protocol
+	 * @param  array{auth?:null|array{0:string,1:string,2:string},headers?:null|array<string,string|array<string>>,query?:null|array<string,string>,body?:null|string|array<mixed>,http_errors?:null|bool} $options Options to set
+	 * @return array{code:string,headers:array<string,array<string>>,content:string} [default=[]] Result code, headers and content as array, content is json
+	 */
+	public function delete(string $url, array $options = []): array
+	{
+		return $this->request(
+			"delete",
+			$url,
+			$options,
+		);
+	}
+}
+
+// __END__

src/UrlRequests/Interface/RequestsInterface.php

@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: 2024/9/20
+ * DESCRIPTION:
+ * URL Requests client interface
+*/
+
+namespace CoreLibs\UrlRequests\Interface;
+
+interface RequestsInterface
+{
+	/**
+	 * get the config array with all settings
+	 *
+	 * @return array<string,mixed> all current config settings
+	 */
+	public function getConfig(): array;
+
+	/**
+	 * Return the full url as it was sent
+	 *
+	 * @return string url sent
+	 */
+	public function getUrlSent(): string;
+
+	/**
+	 * get the parsed url
+	 *
+	 * @return array{scheme?:string,user?:string,host?:string,port?:string,path?:string,query?:string,fragment?:string,pass?:string}
+	 */
+	public function getUrlParsedSent(): array;
+
+	/**
+	 * Return the full headers as they where sent
+	 *
+	 * @return array<string,string>
+	 */
+	public function getHeadersSent(): array;
+
+	/**
+	 * set, add or overwrite header
+	 * On default this will overwrite header, and not set
+	 *
+	 * @param  array<string,string|array<string>> $header
+	 * @param  bool                               $add [default=false] if set will add header to existing value
+	 * @return void
+	 */
+	public function setHeaders(array $header, bool $add = false): void;
+
+	/**
+	 * remove header entry
+	 * if key is only set then match only key, if both are set both sides must match
+	 *
+	 * @param  array<string,string> $remove_headers
+	 * @return void
+	 */
+	public function removeHeaders(array $remove_headers): void;
+
+	/**
+	 * Update the base url set, if empty will unset the base url
+	 *
+	 * @param  string $base_uri
+	 * @return void
+	 */
+	public function setBaseUri(string $base_uri): void;
+
+	/**
+	 * combined set call for any type of request with options type parameters
+	 *
+	 * phpcs:disable Generic.Files.LineLength
+	 * @param  string $type
+	 * @param  string $url
+	 * @param  array{auth?:null|array{0:string,1:string,2:string},headers?:null|array<string,string|array<string>>,query?:null|array<string,string>,body?:null|string|array<mixed>,http_errors?:null|bool} $options
+	 * @return array{code:string,headers:array<string,array<string>>,content:string} Result code, headers and content as array, content is json
+	 * @throws \UnexpectedValueException on missing body data when body data is needed
+	 * phpcs:enable Generic.Files.LineLength
+	 */
+	public function request(string $type, string $url, array $options = []): array;
+}
+
+// __END__

test/checking/phan.sh

@@ -1,2 +1,2 @@
 base="/storage/var/www/html/developers/clemens/core_data/composer-packages/CoreLibs-Composer-All/";
-vendor/bin/phan --progress-bar -C --analyze-twice
+tools/phan --progress-bar -C --analyze-twice

test/checking/phpstan.sh

@@ -1,2 +1,2 @@
 base="/storage/var/www/html/developers/clemens/core_data/composer-packages/CoreLibs-Composer-All/";
-vendor/bin/phpstan
+tools/phpstan

test/checking/phpunit.sh

@@ -15,25 +15,27 @@ php_bin="";
 if [ ! -z "${1}" ]; then
 	case "${1}" in
 		# "7.3") php_bin="/usr/bin/php7.3 "; ;;
-		"7.4") php_bin="/usr/bin/php7.4 "; ;;
-		"8.0") php_bin="/usr/bin/php8.0 "; ;;
-		"8.1") php_bin="/usr/bin/php8.1 "; ;;
+		#"7.4") php_bin="/usr/bin/php7.4 "; ;;
+		#"8.0") php_bin="/usr/bin/php8.0 "; ;;
+		#"8.1") php_bin="/usr/bin/php8.1 "; ;;
 		"8.2") php_bin="/usr/bin/php8.2 "; ;;
+		"8.3") php_bin="/usr/bin/php8.3 "; ;;
 		*) echo "Not support PHP: ${1}"; exit; ;;
 	esac;
 fi;
 if [ ! -z "${2}" ] && [ -z "${php_bin}" ]; then
 	case "${2}" in
 		# "7.3") php_bin="/usr/bin/php7.3 "; ;;
-		"7.4") php_bin="/usr/bin/php7.4 "; ;;
-		"8.0") php_bin="/usr/bin/php8.0 "; ;;
-		"8.1") php_bin="/usr/bin/php8.1 "; ;;
+		#"7.4") php_bin="/usr/bin/php7.4 "; ;;
+		#"8.0") php_bin="/usr/bin/php8.0 "; ;;
+		#"8.1") php_bin="/usr/bin/php8.1 "; ;;
 		"8.2") php_bin="/usr/bin/php8.2 "; ;;
+		"8.3") php_bin="/usr/bin/php8.3 "; ;;
 		*) echo "Not support PHP: ${1}"; exit; ;;
 	esac;
 fi;
 
-phpunit_call="${php_bin}${base}vendor/bin/phpunit ${opt_testdox} -c ${base}phpunit.xml ${base}test/phpunit/";
+phpunit_call="${php_bin}${base}tools/phpunit ${opt_testdox} -c ${base}phpunit.xml ${base}test/phpunit/";
 
 ${phpunit_call};
 

test/configs/config.master.php

@@ -100,27 +100,6 @@ define('DEFAULT_ACL_LEVEL', 80);
 /************* LOGOUT ********************/
 // logout target
 define('LOGOUT_TARGET', '');
-// password change allowed
-define('PASSWORD_CHANGE', false);
-define('PASSWORD_FORGOT', false);
-// min/max password length
-define('PASSWORD_MIN_LENGTH', 9);
-define('PASSWORD_MAX_LENGTH', 255);
-// defines allowed special characters
-define('PASSWORD_SPECIAL_RANGE', '@$!%*?&');
-// password must have upper case, lower case, number, special
-// comment out for not mandatory
-define('PASSWORD_LOWER', '(?=.*[a-z])');
-define('PASSWORD_UPPER', '(?=.*[A-Z])');
-define('PASSWORD_NUMBER', '(?=.*\d)');
-define('PASSWORD_SPECIAL', "(?=.*[" . PASSWORD_SPECIAL_RANGE . "])");
-// define full regex
-define('PASSWORD_REGEX', "/^"
-	. (defined('PASSWORD_LOWER') ? PASSWORD_LOWER : '')
-	. (defined('PASSWORD_UPPER') ? PASSWORD_UPPER : '')
-	. (defined('PASSWORD_NUMBER') ? PASSWORD_NUMBER : '')
-	. (defined('PASSWORD_SPECIAL') ? PASSWORD_SPECIAL : '')
-	. "[A-Za-z\d" . PASSWORD_SPECIAL_RANGE . "]{" . PASSWORD_MIN_LENGTH . "," . PASSWORD_MAX_LENGTH . "}$/");
 
 /************* AJAX / ACCESS *************/
 // ajax request type
@@ -161,13 +140,6 @@ define('DEFAULT_LOCALE', 'en_US.UTF-8');
 // default web page encoding setting
 define('DEFAULT_ENCODING', 'UTF-8');
 
-/************* LOGGING *******************/
-// below two can be defined here, but they should be
-// defined in either the header file or the file itself
-// as $LOG_FILE_ID which takes presence over LOG_FILE_ID
-// see Basic class constructor
-define('LOG_FILE_ID', BASE_NAME);
-
 /************* QUEUE TABLE *************/
 // if we have a dev/live system
 // set_live is a per page/per item
@@ -211,8 +183,9 @@ list($HOST_NAME) = array_pad(explode(':', $_SERVER['HTTP_HOST'], 2), 2, null);
 define('HOST_NAME', $HOST_NAME);
 // BAIL ON MISSING MASTER SITE CONFIG
 if (!isset($SITE_CONFIG[HOST_NAME]['location'])) {
-	echo 'Missing SITE_CONFIG entry for: "' . HOST_NAME . '". Contact Administrator';
-	exit;
+	throw new \InvalidArgumentException(
+		'Missing SITE_CONFIG entry for: "' . HOST_NAME . '". Contact Administrator'
+	);
 }
 // BAIL ON MISSING DB CONFIG:
 // we have either no db selction for this host but have db config entries
@@ -228,8 +201,9 @@ if (
 		empty($DB_CONFIG[$SITE_CONFIG[HOST_NAME]['db_host']]))
 	)
 ) {
-	echo 'No matching DB config found for: "' . HOST_NAME . '". Contact Administrator';
-	exit;
+	throw new \InvalidArgumentException(
+		'No matching DB config found for: "' . HOST_NAME . '". Contact Administrator'
+	);
 }
 // set SSL on
 $is_secure = false;
@@ -291,22 +265,4 @@ if (file_exists(BASE . CONFIGS . 'config.other.php')) {
 	require BASE . CONFIGS . 'config.other.php';
 }
 
-/************* DEBUG *******************/
-// turn off debug if debug flag is OFF
-if (defined('DEBUG') && DEBUG == false) {
-	$ECHO_ALL = false;
-	$DEBUG_ALL = false;
-	$PRINT_ALL = false;
-	$DB_DEBUG = false;
-	$ENABLE_ERROR_HANDLING = false;
-	$DEBUG_ALL_OVERRIDE = false;
-} else {
-	$ECHO_ALL = false;
-	$DEBUG_ALL = true;
-	$PRINT_ALL = true;
-	$DB_DEBUG = true;
-	$ENABLE_ERROR_HANDLING = false;
-	$DEBUG_ALL_OVERRIDE = false;
-}
-
 // __END__

test/configs/config.path.php

@@ -0,0 +1,28 @@
+<?php // phpcs:ignore PSR1.Files.SideEffects
+
+/********************************************************************
+* AUTHOR: Clemens Schwaighofer
+* CREATED: 2018/10/11
+* SHORT DESCRIPTION:
+* configuration file for core path settings
+* CSV target paths, and other download access URLS or paths needed
+* HISTORY:
+*********************************************************************/
+
+declare(strict_types=1);
+
+// find trigger name "admin/" or "frontend/" in the getcwd() folder
+$folder = '';
+foreach (['admin', 'frontend'] as $_folder) {
+	if (strstr(getcwd() ?: '', DIRECTORY_SEPARATOR . $_folder)) {
+		$folder = $_folder;
+		break;
+	}
+}
+// if content path is empty, fallback is default
+if (empty($folder)) {
+	$folder = 'default';
+}
+define('CONTENT_PATH', $folder . DIRECTORY_SEPARATOR);
+
+// __END__

test/configs/config.php

@@ -53,19 +53,6 @@ for (
 		\gullevek\dotEnv\DotEnv::readEnvFile(
 			$__DIR__PATH . $CONFIG_PATH_PREFIX . CONFIG_PATH
 		);
-		// find trigger name "admin/" or "frontend/" in the getcwd() folder
-		$folder = '';
-		foreach (['admin', 'frontend'] as $_folder) {
-			if (strstr(getcwd() ?: '', DIRECTORY_SEPARATOR . $_folder)) {
-				$folder = $_folder;
-				break;
-			}
-		}
-		// if content path is empty, fallback is default
-		if (empty($folder)) {
-			$folder = 'default';
-		}
-		define('CONTENT_PATH', $folder . DIRECTORY_SEPARATOR);
 		// load master config file that loads all other config files
 		require $__DIR__PATH . $CONFIG_PATH_PREFIX . CONFIG_PATH . 'config.master.php';
 		break;

test/index.php

@@ -4,4 +4,7 @@ require "../vendor/autoload.php";
 
 print "Bytes: " . CoreLibs\Convert\Byte::humanReadableByteFormat(123414) . "<br>";
 
+$curl = new CoreLibs\UrlRequests\Curl();
+print "Config: " . print_r($curl->getConfig(), true) . "<br>";
+
 // __END__

test/phpunit/AAASetupData/requests/http_requests.php

@@ -0,0 +1,65 @@
+<?php // phpcs:ignore PSR1.Files.SideEffects
+
+/**
+ * AUTHOR: Clemens Schwaighofer
+ * CREATED: Ymd
+ * DESCRIPTION:
+ * DescriptionHere
+*/
+
+declare(strict_types=1);
+
+/**
+ * build return json
+ *
+ * @param  array<string,mixed> $http_headers
+ * @param  ?string $body
+ * @return string
+ */
+function buildContent(array $http_headers, ?string $body): string
+{
+	if (is_string($body) && !empty($body)) {
+		$_body = json_decode($body, true);
+		if (!is_array($_body)) {
+			$body = [$body];
+		} else {
+			$body = $_body;
+		}
+	} elseif (is_string($body)) {
+		$body = [];
+	}
+	return json_encode([
+		'HEADERS' => $http_headers,
+		"REQUEST_TYPE" => $_SERVER['REQUEST_METHOD'],
+		"PARAMS" => $_GET,
+		"BODY" => $body,
+	]);
+}
+
+$http_headers = array_filter($_SERVER, function ($value, $key) {
+	if (str_starts_with($key, 'HTTP_')) {
+		return true;
+	}
+}, ARRAY_FILTER_USE_BOTH);
+
+header("Content-Type: application/json; charset=UTF-8");
+
+// if the header has Authorization and RunAuthTest then exit with 401
+if (!empty($http_headers['HTTP_AUTHORIZATION']) && !empty($http_headers['HTTP_RUNAUTHTEST'])) {
+	header("HTTP/1.1 401 Unauthorized");
+	print buildContent($http_headers, '{"code": 401, "content": {"Error": "Not Authorized"}}');
+	exit(1);
+}
+
+// if server request type is get set file_get to null -> no body
+if ($_SERVER['REQUEST_METHOD'] == "GET") {
+	$file_get = null;
+} elseif (($file_get = file_get_contents('php://input')) === false) {
+	header("HTTP/1.1 404 Not Found");
+	print buildContent($http_headers, '{"code": 404, "content": {"Error": "file_get_contents failed"}}');
+	exit(1);
+}
+
+print buildContent($http_headers, $file_get);
+
+// __END__

test/phpunit/ACL/CoreLibsACLLoginTest.php

@@ -12,6 +12,8 @@ Not yet covered tests:
 - loginGetLocale
 - loginGetHeaderColor
 - loginGetPages
+- loginGetPageLookupList
+- loginPageAccessAllowed
 - loginGetEuid
 */
 
@@ -22,8 +24,12 @@ Not yet covered tests:
  */
 final class CoreLibsACLLoginTest extends TestCase
 {
-	private static $db;
-	private static $log;
+	private static \CoreLibs\DB\IO $db;
+	private static \CoreLibs\Logging\Logging $log;
+
+	private static string $edit_access_cuid;
+	private static string $edit_user_cuid;
+	private static string $edit_user_cuuid;
 
 	/**
 	 * start DB conneciton, setup DB, etc
@@ -108,21 +114,46 @@ final class CoreLibsACLLoginTest extends TestCase
 		self::$db->dbSetMaxQueryCall(-1);
 		// insert additional content for testing (locked user, etc)
 		$queries = [
-			"INSERT INTO edit_access_data "
-				. "(edit_access_id, name, value, enabled) VALUES "
-				. "((SELECT edit_access_id FROM edit_access WHERE uid = 'AdminAccess'), "
-				. "'test', 'value', 1)"
+			<<<SQL
+			INSERT INTO edit_access_data (
+				edit_access_id, name, value, enabled
+			) VALUES (
+				(SELECT edit_access_id FROM edit_access WHERE uid = 'AdminAccess'),
+				'test', 'value', 1
+			)
+			SQL
 		];
 		foreach ($queries as $query) {
 			self::$db->dbExec($query);
 		}
+		// read edit access cuid, edit user cuid and edit user cuuid
+		$row = self::$db->dbReturnRowParams(
+			"SELECT cuid FROM edit_access WHERE uid = $1",
+			["AdminAccess"]
+		);
+		self::$edit_access_cuid = $row['cuid'] ?? '';
+		if (empty(self::$edit_access_cuid)) {
+			self::markTestIncomplete(
+				'Cannot read edit access cuid for "AdminAccess".'
+			);
+		}
+		$row = self::$db->dbReturnRowParams(
+			"SELECT cuid, cuuid FROM edit_user WHERE username = $1",
+			["admin"]
+		);
+		self::$edit_user_cuid = $row['cuid'] ?? '';
+		self::$edit_user_cuuid = $row['cuuid'] ?? '';
+		if (empty(self::$edit_user_cuid) || empty(self::$edit_user_cuuid)) {
+			self::markTestIncomplete(
+				'Cannot read edit user cuid or cuuid for "admin".'
+			);
+		}
 
 		// define mandatory constant
 		// must set
 		// TARGET
 		define('TARGET', 'test');
 		// LOGIN DB SCHEMA
-		// define('LOGIN_DB_SCHEMA', '');
 
 		// SHOULD SET
 		// DEFAULT_ACL_LEVEL (d80)
@@ -235,22 +266,25 @@ final class CoreLibsACLLoginTest extends TestCase
 					'ajax_post_action' => 'login',
 				],
 			],
-			'load, session euid set only, php error' => [
+			'load, session eucuuid set only, php error' => [
 				[
 					'page_name' => 'edit_users.php',
 				],
 				[],
 				[],
 				[
-					'EUID' => 1,
+					'LOGIN_EUID' => 1,
+					'LOGIN_EUCUID' => 'abc',
+					'LOGIN_EUCUUID' => '1233456-1234-1234-1234-123456789012',
 				],
 				2,
 				[],
 			],
-			'load, session euid set, all set' => [
+			'load, session eucuuid set, all set' => [
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -259,20 +293,23 @@ final class CoreLibsACLLoginTest extends TestCase
 				[],
 				[],
 				[
-					'EUID' => 1,
-					'USER_NAME' => '',
-					'GROUP_NAME' => '',
-					'ADMIN' => 1,
-					'GROUP_ACL_LEVEL' => -1,
-					'PAGES_ACL_LEVEL' => [],
-					'USER_ACL_LEVEL' => -1,
-					'USER_ADDITIONAL_ACL' => [],
-					'GROUP_ADDITIONAL_ACL' => [],
-					'UNIT_UID' => [
-						'AdminAccess' => 1,
+					'LOGIN_EUID' => 1,
+					'LOGIN_EUCUID' => 'abc',
+					'LOGIN_EUCUUID' => 'SET_EUCUUID_IN_TEST',
+					'LOGIN_USER_NAME' => '',
+					'LOGIN_GROUP_NAME' => '',
+					'LOGIN_ADMIN' => 1,
+					'LOGIN_GROUP_ACL_LEVEL' => -1,
+					'LOGIN_PAGES_ACL_LEVEL' => [],
+					'LOGIN_USER_ACL_LEVEL' => -1,
+					'LOGIN_USER_ADDITIONAL_ACL' => [],
+					'LOGIN_GROUP_ADDITIONAL_ACL' => [],
+					'LOGIN_UNIT_UID' => [
+						'AdminAccess' => '123456789012',
 					],
-					'UNIT' => [
-						1 => [
+					'LOGIN_UNIT' => [
+						'123456789012' => [
+							'id' => 1,
 							'acl_level' => 80,
 							'name' => 'Admin Access',
 							'uid' => 'AdminAccess',
@@ -284,8 +321,8 @@ final class CoreLibsACLLoginTest extends TestCase
 							'additional_acl' => []
 						],
 					],
-					// 'UNIT_DEFAULT' => '',
-					// 'DEFAULT_ACL_LIST' => [],
+					// 'LOGIN_UNIT_DEFAULT' => '',
+					// 'LOGIN_DEFAULT_ACL_LIST' => [],
 				],
 				0,
 				[
@@ -293,6 +330,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -412,6 +450,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_deleted' => true
@@ -437,6 +476,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_enabled' => true
@@ -462,6 +502,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_locked' => true
@@ -487,6 +528,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_get_locked' => true,
@@ -511,6 +553,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_locked_period_until' => 'on'
@@ -536,6 +579,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -555,6 +599,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -565,6 +610,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_locked_period_after' => 'on'
@@ -590,6 +636,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_locked_period_until' => 'on',
@@ -616,6 +663,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_login_user_id_locked' => true
@@ -641,6 +689,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -659,6 +708,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -669,6 +719,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -688,6 +739,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -698,6 +750,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -717,6 +770,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -727,6 +781,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -746,6 +801,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -777,6 +833,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -800,6 +857,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -810,6 +868,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -833,6 +892,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -843,6 +903,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_login_user_id_revalidate_after' => 'on',
@@ -869,6 +930,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -889,6 +951,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -899,6 +962,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_login_user_id_valid_from' => 'on',
@@ -925,6 +989,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -945,6 +1010,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -955,6 +1021,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_login_user_id_valid_until' => 'on',
@@ -981,6 +1048,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'base_access' => 'list',
 					'page_access' => 'list',
 					'test_login_user_id_valid_from' => 'on',
@@ -1008,6 +1076,7 @@ final class CoreLibsACLLoginTest extends TestCase
 				[
 					'page_name' => 'edit_users.php',
 					'edit_access_id' => 1,
+					'edit_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'edit_access_uid' => 'AdminAccess',
 					'edit_access_data' => 'test',
 					'base_access' => 'list',
@@ -1038,6 +1107,7 @@ final class CoreLibsACLLoginTest extends TestCase
 					'admin_flag' => true,
 					'check_access' => true,
 					'check_access_id' => 1,
+					'check_access_cuid' => 'SET_EDIT_ACCESS_CUID_IN_TEST',
 					'check_access_data' => 'value',
 					'base_access' => true,
 					'page_access' => true,
@@ -1085,9 +1155,9 @@ final class CoreLibsACLLoginTest extends TestCase
 		/** @var \CoreLibs\Create\Session&MockObject */
 		$session_mock = $this->createPartialMock(
 			\CoreLibs\Create\Session::class,
-			['startSession', 'checkActiveSession', 'sessionDestroy']
+			['getSessionId', 'checkActiveSession', 'sessionDestroy']
 		);
-		$session_mock->method('startSession')->willReturn('ACLLOGINTEST12');
+		$session_mock->method('getSessionId')->willReturn('ACLLOGINTEST12');
 		$session_mock->method('checkActiveSession')->willReturn(true);
 		$session_mock->method('sessionDestroy')->will(
 			$this->returnCallback(function () {
@@ -1107,11 +1177,15 @@ final class CoreLibsACLLoginTest extends TestCase
 			$_POST[$post_var] = $post_value;
 		}
 
+		// set ingoing session cuuid if requested
+		if (isset($session['LOGIN_EUCUUID']) && $session['LOGIN_EUCUUID'] == 'SET_EUCUUID_IN_TEST') {
+			$session['LOGIN_EUCUUID'] = self::$edit_user_cuuid;
+		}
+
 		// set _SESSION data
 		foreach ($session as $session_var => $session_value) {
 			$_SESSION[$session_var] = $session_value;
 		}
-
 		/** @var \CoreLibs\ACL\Login&MockObject */
 		$login_mock = $this->getMockBuilder(\CoreLibs\ACL\Login::class)
 			->setConstructorArgs([
@@ -1130,7 +1204,7 @@ final class CoreLibsACLLoginTest extends TestCase
 						. 'locale' . DIRECTORY_SEPARATOR,
 				]
 			])
-			->onlyMethods(['loginTerminate', 'loginReadPageName', 'loginPrintLogin'])
+			->onlyMethods(['loginTerminate', 'loginReadPageName', 'loginPrintLogin', 'loginEnhanceHttpSecurity'])
 			->getMock();
 		$login_mock->expects($this->any())
 			->method('loginTerminate')
@@ -1148,6 +1222,10 @@ final class CoreLibsACLLoginTest extends TestCase
 			->method('loginPrintLogin')
 			->willReturnCallback(function () {
 			});
+		$login_mock->expects($this->any())
+			->method('loginEnhanceHttpSecurity')
+			->willReturnCallback(function () {
+			});
 
 		// if mock_settings: enabled OFF
 		// run DB update and set off
@@ -1365,6 +1443,19 @@ final class CoreLibsACLLoginTest extends TestCase
 
 		// run test
 		try {
+			// preset, we cannot set that in the provider
+			if (
+				isset($expected['check_access_cuid']) &&
+				$expected['check_access_cuid'] == 'SET_EDIT_ACCESS_CUID_IN_TEST'
+			) {
+				$expected['check_access_cuid'] = self::$edit_access_cuid;
+			}
+			if (
+				isset($mock_settings['edit_access_cuid']) &&
+				$mock_settings['edit_access_cuid'] == 'SET_EDIT_ACCESS_CUID_IN_TEST'
+			) {
+				$mock_settings['edit_access_cuid'] = self::$edit_access_cuid;
+			}
 			// if ajax call
 			// check if parameter, or globals (old type)
 			// else normal call
@@ -1423,6 +1514,31 @@ final class CoreLibsACLLoginTest extends TestCase
 				$login_mock->loginCheckAccessPage($mock_settings['page_access']),
 				'Assert page access'
 			);
+			// - loginCheckEditAccessCuid
+			$this->assertEquals(
+				$expected['check_access'],
+				$login_mock->loginCheckEditAccessCuid($mock_settings['edit_access_cuid']),
+				'Assert check access'
+			);
+			// - loginCheckEditAccessValidCuid
+			$this->assertEquals(
+				$expected['check_access_cuid'],
+				$login_mock->loginCheckEditAccessValidCuid($mock_settings['edit_access_cuid']),
+				'Assert check access cuid valid'
+			);
+			// - loginGetEditAccessCuidFromUid
+			$this->assertEquals(
+				$expected['check_access_cuid'],
+				$login_mock->loginGetEditAccessCuidFromUid($mock_settings['edit_access_uid']),
+				'Assert check access uid to cuid valid'
+			);
+			// - loginGetEditAccessCuidFromId
+			$this->assertEquals(
+				$expected['check_access_cuid'],
+				$login_mock->loginGetEditAccessCuidFromUid($mock_settings['edit_access_id']),
+				'Assert check access id to cuid valid'
+			);
+			// Deprecated
 			// - loginCheckEditAccess
 			$this->assertEquals(
 				$expected['check_access'],
@@ -1445,7 +1561,7 @@ final class CoreLibsACLLoginTest extends TestCase
 			$this->assertEquals(
 				$expected['check_access_data'],
 				$login_mock->loginGetEditAccessData(
-					$mock_settings['edit_access_id'],
+					$mock_settings['edit_access_uid'],
 					$mock_settings['edit_access_data']
 				),
 				'Assert check access id data value valid'
@@ -1476,11 +1592,12 @@ final class CoreLibsACLLoginTest extends TestCase
 			// - loginCheckPermissions
 			// - loginGetPermissionOkay
 		} catch (\Exception $e) {
-			// print "[E]: " . $e->getCode() . ", ERROR: " . $login_mock->loginGetLastErrorCode() . "/"
-			// 	. ($expected['login_error'] ?? 0) . "\n";
-			// print "AJAX: " . $login_mock->loginGetAjaxFlag() . "\n";
-			// print "AJAX GLOBAL: " . ($GLOBALS['AJAX_PAGE'] ?? '{f}') . "\n";
-			// print "Login error expext: " . ($expected['login_error'] ?? '{0}') . "\n";
+			/* print "[E]: " . $e->getCode() . ", ERROR: " . $login_mock->loginGetLastErrorCode() . "/"
+				. ($expected['login_error'] ?? 0) . "\n";
+			print "AJAX: " . $login_mock->loginGetAjaxFlag() . "\n";
+			print "AJAX GLOBAL: " . ($GLOBALS['AJAX_PAGE'] ?? '{f}') . "\n";
+			print "Login error expext: " . ($expected['login_error'] ?? '{0}') . "\n";
+			print "POST exit: " . ($_POST['login_exit'] ?? '{0}') . "\n"; */
 			// if this is 100, then we do further error checks
 			if (
 				$e->getCode() == 100 ||
@@ -1788,9 +1905,9 @@ final class CoreLibsACLLoginTest extends TestCase
 		/** @var \CoreLibs\Create\Session&MockObject */
 		$session_mock = $this->createPartialMock(
 			\CoreLibs\Create\Session::class,
-			['startSession', 'checkActiveSession', 'sessionDestroy']
+			['getSessionId', 'checkActiveSession', 'sessionDestroy']
 		);
-		$session_mock->method('startSession')->willReturn('ACLLOGINTEST34');
+		$session_mock->method('getSessionId')->willReturn('ACLLOGINTEST34');
 		$session_mock->method('checkActiveSession')->willReturn(true);
 		$session_mock->method('sessionDestroy')->will(
 			$this->returnCallback(function () {
@@ -1902,9 +2019,9 @@ final class CoreLibsACLLoginTest extends TestCase
 		/** @var \CoreLibs\Create\Session&MockObject */
 		$session_mock = $this->createPartialMock(
 			\CoreLibs\Create\Session::class,
-			['startSession', 'checkActiveSession', 'sessionDestroy']
+			['getSessionId', 'checkActiveSession', 'sessionDestroy']
 		);
-		$session_mock->method('startSession')->willReturn('ACLLOGINTEST34');
+		$session_mock->method('getSessionId')->willReturn('ACLLOGINTEST34');
 		$session_mock->method('checkActiveSession')->willReturn(true);
 		$session_mock->method('sessionDestroy')->will(
 			$this->returnCallback(function () {
@@ -1990,9 +2107,9 @@ final class CoreLibsACLLoginTest extends TestCase
 		/** @var \CoreLibs\Create\Session&MockObject */
 		$session_mock = $this->createPartialMock(
 			\CoreLibs\Create\Session::class,
-			['startSession', 'checkActiveSession', 'sessionDestroy']
+			['getSessionId', 'checkActiveSession', 'sessionDestroy']
 		);
-		$session_mock->method('startSession')->willReturn('ACLLOGINTEST34');
+		$session_mock->method('getSessionId')->willReturn('ACLLOGINTEST34');
 		$session_mock->method('checkActiveSession')->willReturn(true);
 		$session_mock->method('sessionDestroy')->will(
 			$this->returnCallback(function () {
@@ -2086,9 +2203,9 @@ final class CoreLibsACLLoginTest extends TestCase
 		/** @var \CoreLibs\Create\Session&MockObject */
 		$session_mock = $this->createPartialMock(
 			\CoreLibs\Create\Session::class,
-			['startSession', 'checkActiveSession', 'sessionDestroy']
+			['getSessionId', 'checkActiveSession', 'sessionDestroy']
 		);
-		$session_mock->method('startSession')->willReturn('ACLLOGINTEST34');
+		$session_mock->method('getSessionId')->willReturn('ACLLOGINTEST34');
 		$session_mock->method('checkActiveSession')->willReturn(true);
 		$session_mock->method('sessionDestroy')->will(
 			$this->returnCallback(function () {

test/phpunit/Check/CoreLibsCheckEmailTest.php

@@ -24,12 +24,12 @@ final class CoreLibsCheckEmailTest extends TestCase
 			'get email regex invalid -1, will be 0' => [
 				-1,
 				"^[A-Za-z0-9!#$%&'*+\-\/=?^_`{|}~][A-Za-z0-9!#$%:\(\)&'*+\-\/=?^_`{|}~\.]{0,63}@"
-					. "[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]{1,})*\.([a-zA-Z]{2,}){1}$"
+					. "(?!-)[A-Za-z0-9-]{1,63}(?<!-)(?:\.[A-Za-z0-9-]{1,63}(?<!-))*\.[a-zA-Z]{2,6}$"
 			],
 			'get email regex invalid 10, will be 0' => [
 				10,
 				"^[A-Za-z0-9!#$%&'*+\-\/=?^_`{|}~][A-Za-z0-9!#$%:\(\)&'*+\-\/=?^_`{|}~\.]{0,63}@"
-					. "[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]{1,})*\.([a-zA-Z]{2,}){1}$"
+					. "(?!-)[A-Za-z0-9-]{1,63}(?<!-)(?:\.[A-Za-z0-9-]{1,63}(?<!-))*\.[a-zA-Z]{2,6}$"
 			],
 			'get email regex valid 1, will be 1' => [
 				1,
@@ -157,7 +157,7 @@ final class CoreLibsCheckEmailTest extends TestCase
 					'error' => 0,
 					'message' => 'Invalid email address',
 					'regex' => "^[A-Za-z0-9!#$%&'*+\-\/=?^_`{|}~][A-Za-z0-9!#$%:\(\)&'*+\-\/=?^_`{|}~\.]{0,63}@"
-						. "[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]{1,})*\.([a-zA-Z]{2,}){1}$"
+						. "(?!-)[A-Za-z0-9-]{1,63}(?<!-)(?:\.[A-Za-z0-9-]{1,63}(?<!-))*\.[a-zA-Z]{2,6}$"
 				]
 			],
 			'error 1 will return double @ error' => [
@@ -181,7 +181,7 @@ final class CoreLibsCheckEmailTest extends TestCase
 				[
 					'error' => 3,
 					'message' => 'Invalid domain part after @ sign',
-					'regex' => "@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]{1,})*\.([a-zA-Z]{2,}){1}$"
+					'regex' => "@(?!-)[A-Za-z0-9-]{1,63}(?<!-)(?:\.[A-Za-z0-9-]{1,63}(?<!-))*\.[a-zA-Z]{2,6}$"
 				]
 			],
 			'error 4 will be invalid domain' => [
@@ -189,7 +189,7 @@ final class CoreLibsCheckEmailTest extends TestCase
 				[
 					'error' => 4,
 					'message' => 'Invalid domain name part',
-					'regex' => "@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]{1,})*\."
+					'regex' => "@(?!-)[A-Za-z0-9-]{1,63}(?<!-)(?:\.[A-Za-z0-9-]{1,63}(?<!-))*\."
 				]
 			],
 			'error 5 will be invalid domain top level only' => [
@@ -197,7 +197,7 @@ final class CoreLibsCheckEmailTest extends TestCase
 				[
 					'error' => 5,
 					'message' => 'Wrong domain top level part',
-					'regex' => "\.([a-zA-Z]{2,6}){1}$"
+					'regex' => "\.[a-zA-Z]{2,6}$"
 				]
 			],
 			'error 6 will be domain double dot' => [

test/phpunit/Check/CoreLibsCheckFileTest.php

@@ -28,10 +28,10 @@ final class CoreLibsCheckFileTest extends TestCase
 	public function filesList(): array
 	{
 		return [
-			['filename.txt', 'txt', 5],
-			['filename.csv', 'csv', 15],
-			['filename.tsv', 'tsv', 0],
-			['file_does_not_exits', '', -1],
+			['filename.txt', 'txt', 5, 'text/plain'],
+			['filename.csv', 'csv', 15, 'text/csv'],
+			['filename.tsv', 'tsv', 0, 'text/plain'],
+			['file_does_not_exits', '', -1, ''],
 		];
 	}
 
@@ -63,6 +63,15 @@ final class CoreLibsCheckFileTest extends TestCase
 		return $list;
 	}
 
+	public function mimeTypeProvider(): array
+	{
+		$list = [];
+		foreach ($this->filesList() as $row) {
+			$list[$row[0] . ' must be mime type ' . $row[3]] = [$row[0], $row[3]];
+		}
+		return $list;
+	}
+
 	/**
 	 * Tests if file extension matches
 	 *
@@ -115,6 +124,51 @@ final class CoreLibsCheckFileTest extends TestCase
 			unlink($this->base_folder . $input);
 		}
 	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::getMimeType
+	 * @dataProvider mimeTypeProvider
+	 * @testdox getMimeType $input must be mime type $expected [$_dataName]
+	 *
+	 * @param  string $input
+	 * @param  string $expected
+	 * @return void
+	 */
+	public function testGetMimeType(string $input, string $expected): void
+	{
+		if (!empty($expected)) {
+			$file = $this->base_folder . $input;
+			$fp = fopen($file, 'w');
+			switch ($expected) {
+				case 'text/csv':
+					for ($i = 1; $i <= 10; $i++) {
+						fwrite($fp, '"This is row","' . $expected . '",' . $i . PHP_EOL);
+					}
+					break;
+				case 'text/tsv':
+					for ($i = 1; $i <= 10; $i++) {
+						fwrite($fp, "\"This is row\"\t\"" . $expected . "\"\t\"" . $i . PHP_EOL);
+					}
+					break;
+				case 'text/plain':
+					fwrite($fp, 'This is mime type: ' . $expected . PHP_EOL);
+					break;
+			}
+			fclose($fp);
+		} else {
+			$this->expectException(\UnexpectedValueException::class);
+		}
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Check\File::getMimeType($this->base_folder . $input)
+		);
+		// unlink file
+		if (is_file($this->base_folder . $input)) {
+			unlink($this->base_folder . $input);
+		}
+	}
 }
 
 // __END__

test/phpunit/Combined/CoreLibsCombinedArrayHandlerFindArraysMissingKeyTest.php

@@ -0,0 +1,404 @@
+<?php
+
+// This code was created by Claude Sonnet 4
+
+declare(strict_types=1);
+
+namespace tests;
+
+use PHPUnit\Framework\TestCase;
+use CoreLibs\Combined\ArrayHandler;
+
+class CoreLibsCombinedArrayHandlerFindArraysMissingKeyTest extends TestCase
+{
+	private const DATA_SEPARATOR = ':'; // Updated to match your class's separator
+
+	/**
+	 * Test finding missing single key when searching by value without specific key
+	 */
+	public function testFindMissingSingleKeyWithValueSearch()
+	{
+		$array = [
+			'item1' => [
+				'name' => 'John',
+				'age' => 25
+				// missing 'email' key
+			],
+			'item2' => [
+				'name' => 'Jane',
+				'age' => 30,
+				'email' => 'jane@example.com'
+			],
+			'item3' => [
+				'name' => 'John', // same value as item1
+				'age' => 35,
+				'email' => 'john2@example.com'
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'John', 'email');
+
+		$this->assertCount(1, $result);
+		$this->assertEquals($array['item1'], $result[0]['content']);
+		$this->assertEquals('item1', $result[0]['path']);
+		$this->assertEquals(['email'], $result[0]['missing_key']);
+	}
+
+	/**
+	 * Test finding missing single key when searching by specific key-value pair
+	 */
+	public function testFindMissingSingleKeyWithKeyValueSearch()
+	{
+		$array = [
+			'user1' => [
+				'id' => 1,
+				'name' => 'Alice'
+				// missing 'status' key
+			],
+			'user2' => [
+				'id' => 2,
+				'name' => 'Bob',
+				'status' => 'active'
+			],
+			'user3' => [
+				'id' => 1, // same id as user1
+				'name' => 'Charlie',
+				'status' => 'inactive'
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 1, 'status', 'id');
+
+		$this->assertCount(1, $result);
+		$this->assertEquals($array['user1'], $result[0]['content']);
+		$this->assertEquals('user1', $result[0]['path']);
+		$this->assertEquals(['status'], $result[0]['missing_key']);
+	}
+
+	/**
+	 * Test finding missing multiple keys
+	 */
+	public function testFindMissingMultipleKeys()
+	{
+		$array = [
+			'record1' => [
+				'name' => 'Test',
+				'value' => 100
+				// missing both 'date' and 'status' keys
+			],
+			'record2' => [
+				'name' => 'Test',
+				'value' => 200,
+				'date' => '2023-01-01'
+				// missing 'status' key
+			],
+			'record3' => [
+				'name' => 'Test',
+				'value' => 300,
+				'date' => '2023-01-02',
+				'status' => 'complete'
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'Test', ['date', 'status']);
+
+		$this->assertCount(2, $result);
+
+		// First result should be record1 missing both keys
+		$this->assertEquals($array['record1'], $result[0]['content']);
+		$this->assertEquals('record1', $result[0]['path']);
+		$this->assertContains('date', $result[0]['missing_key']);
+		$this->assertContains('status', $result[0]['missing_key']);
+		$this->assertCount(2, $result[0]['missing_key']);
+
+		// Second result should be record2 missing status key
+		$this->assertEquals($array['record2'], $result[1]['content']);
+		$this->assertEquals('record2', $result[1]['path']);
+		$this->assertEquals(['status'], $result[1]['missing_key']);
+	}
+
+	/**
+	 * Test with nested arrays
+	 */
+	public function testFindMissingKeyInNestedArrays()
+	{
+		$array = [
+			'section1' => [
+				'items' => [
+					'item1' => [
+						'name' => 'Product A',
+						'price' => 99.99
+						// missing 'category' key
+					],
+					'item2' => [
+						'name' => 'Product B',
+						'price' => 149.99,
+						'category' => 'electronics'
+					]
+				]
+			],
+			'section2' => [
+				'data' => [
+					'name' => 'Product A', // same name as nested item
+					'category' => 'books'
+				]
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'Product A', 'category');
+
+		$this->assertCount(1, $result);
+		$this->assertEquals($array['section1']['items']['item1'], $result[0]['content']);
+		$this->assertEquals('section1:items:item1', $result[0]['path']);
+		$this->assertEquals(['category'], $result[0]['missing_key']);
+	}
+
+	/**
+	 * Test when no arrays are missing the required key
+	 */
+	public function testNoMissingKeys()
+	{
+		$array = [
+			'item1' => [
+				'name' => 'John',
+				'email' => 'john@example.com'
+			],
+			'item2' => [
+				'name' => 'Jane',
+				'email' => 'jane@example.com'
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'John', 'email');
+
+		$this->assertEmpty($result);
+	}
+
+	/**
+	 * Test when search value is not found in any array
+	 */
+	public function testSearchValueNotFound()
+	{
+		$array = [
+			'item1' => [
+				'name' => 'John',
+				'age' => 25
+			],
+			'item2' => [
+				'name' => 'Jane',
+				'age' => 30
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'Bob', 'email');
+
+		$this->assertEmpty($result);
+	}
+
+	/**
+	 * Test with different data types for search value
+	 */
+	public function testDifferentSearchValueTypes()
+	{
+		$array = [
+			'item1' => [
+				'active' => true,
+				'count' => 5
+				// missing 'label' key
+			],
+			'item2' => [
+				'active' => false,
+				'count' => 10,
+				'label' => 'test'
+			],
+			'item3' => [
+				'active' => true, // same boolean as item1
+				'count' => 15,
+				'label' => 'another'
+			]
+		];
+
+		// Test with boolean
+		$result = ArrayHandler::findArraysMissingKey($array, true, 'label', 'active');
+		$this->assertCount(1, $result);
+		$this->assertEquals('item1', $result[0]['path']);
+
+		// Test with integer
+		$result = ArrayHandler::findArraysMissingKey($array, 5, 'label', 'count');
+		$this->assertCount(1, $result);
+		$this->assertEquals('item1', $result[0]['path']);
+	}
+
+	/**
+	 * Test with empty array
+	 */
+	public function testEmptyArray()
+	{
+		$array = [];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'test', 'key');
+
+		$this->assertEmpty($result);
+	}
+
+	/**
+	 * Test with array containing non-array values
+	 */
+	public function testMixedArrayTypes()
+	{
+		$array = [
+			'string_value' => 'hello',
+			'numeric_value' => 123,
+			'array_value' => [
+				'name' => 'test',
+				// missing 'type' key
+			],
+			'another_array' => [
+				'name' => 'test',
+				'type' => 'example'
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'test', 'type');
+
+		$this->assertCount(1, $result);
+		$this->assertEquals($array['array_value'], $result[0]['content']);
+		$this->assertEquals('array_value', $result[0]['path']);
+		$this->assertEquals(['type'], $result[0]['missing_key']);
+	}
+
+	/**
+	 * Test path building with deeper nesting
+	 */
+	public function testDeepNestingPathBuilding()
+	{
+		$array = [
+			'level1' => [
+				'level2' => [
+					'level3' => [
+						'items' => [
+							'target_item' => [
+								'name' => 'deep_test',
+								// missing 'required_field'
+							]
+						]
+					]
+				]
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'deep_test', 'required_field');
+
+		$this->assertCount(1, $result);
+		$this->assertEquals('level1:level2:level3:items:target_item', $result[0]['path']);
+	}
+
+	/**
+	 * Test with custom path separator
+	 */
+	public function testCustomPathSeparator()
+	{
+		$array = [
+			'level1' => [
+				'level2' => [
+					'item' => [
+						'name' => 'test',
+						// missing 'type' key
+					]
+				]
+			]
+		];
+
+		$result = ArrayHandler::findArraysMissingKey($array, 'test', 'type', null, '/');
+
+		$this->assertCount(1, $result);
+		$this->assertEquals('level1/level2/item', $result[0]['path']);
+	}
+
+	/**
+	 * Test default path separator behavior
+	 */
+	public function testDefaultPathSeparator()
+	{
+		$array = [
+			'parent' => [
+				'child' => [
+					'name' => 'test',
+					// missing 'value' key
+				]
+			]
+		];
+
+		// Using default separator (should be ':')
+		$result = ArrayHandler::findArraysMissingKey($array, 'test', 'value');
+
+		$this->assertCount(1, $result);
+		$this->assertEquals('parent:child', $result[0]['path']);
+	}
+
+	/**
+	 * Test different path separators don't affect search logic
+	 */
+	public function testPathSeparatorDoesNotAffectSearchLogic()
+	{
+		$array = [
+			'section' => [
+				'data' => [
+					'id' => 123,
+					'name' => 'item'
+					// missing 'status'
+				]
+			]
+		];
+
+		// Test with different separators - results should be identical except for path
+		$result1 = ArrayHandler::findArraysMissingKey($array, 123, 'status', 'id', ':');
+		$result2 = ArrayHandler::findArraysMissingKey($array, 123, 'status', 'id', '.');
+		$result3 = ArrayHandler::findArraysMissingKey($array, 123, 'status', 'id', '/');
+
+		$this->assertCount(1, $result1);
+		$this->assertCount(1, $result2);
+		$this->assertCount(1, $result3);
+
+		// Content and missing_key should be the same
+		$this->assertEquals($result1[0]['content'], $result2[0]['content']);
+		$this->assertEquals($result1[0]['content'], $result3[0]['content']);
+		$this->assertEquals($result1[0]['missing_key'], $result2[0]['missing_key']);
+		$this->assertEquals($result1[0]['missing_key'], $result3[0]['missing_key']);
+
+		// Paths should be different based on separator
+		$this->assertEquals('section:data', $result1[0]['path']);
+		$this->assertEquals('section.data', $result2[0]['path']);
+		$this->assertEquals('section/data', $result3[0]['path']);
+	}
+
+	/**
+	 * test type checking
+	 */
+	public function testStrictTypeChecking()
+	{
+		$array = [
+			'item1' => [
+				'id' => '123', // string
+				'name' => 'test'
+				// missing 'status'
+			],
+			'item2' => [
+				'id' => 123, // integer
+				'name' => 'test2',
+				'status' => 'active'
+			]
+		];
+
+		// Search for integer 123 - should only match item2
+		$result = ArrayHandler::findArraysMissingKey($array, 123, 'status', 'id');
+		$this->assertEmpty($result); // item2 has the status key
+
+		// Search for string '123' - should only match item1
+		$result = ArrayHandler::findArraysMissingKey($array, '123', 'status', 'id');
+		$this->assertCount(1, $result);
+		$this->assertEquals('item1', $result[0]['path']);
+	}
+}
+
+// __END__

test/phpunit/Combined/CoreLibsCombinedArrayHandlerKsortArrayTest.php

@@ -0,0 +1,333 @@
+<?php
+
+// This code was created by Claude Sonnet 4
+// modification for value checks with assertEqualsCanonicalizing
+
+declare(strict_types=1);
+
+namespace tests;
+
+use PHPUnit\Framework\TestCase;
+use CoreLibs\Combined\ArrayHandler;
+
+class CoreLibsCombinedArrayHandlerKsortArrayTest extends TestCase
+{
+	/**
+	 * Test basic ascending sort (default behavior)
+	 */
+	public function testKsortArrayBasicAscending(): void
+	{
+		$input = [
+			'zebra' => 'value1',
+			'apple' => 'value2',
+			'banana' => 'value3',
+			'cherry' => 'value4'
+		];
+
+		$expected = [
+			'apple' => 'value2',
+			'banana' => 'value3',
+			'cherry' => 'value4',
+			'zebra' => 'value1'
+		];
+
+		$result = ArrayHandler::ksortArray($input);
+		$this->assertEquals($expected, $result);
+		$this->assertEquals(array_keys($expected), array_keys($result));
+	}
+
+	/**
+	 * Test descending sort with reverse=true
+	 */
+	public function testKsortArrayDescending(): void
+	{
+		$input = [
+			'zebra' => 'value1',
+			'apple' => 'value2',
+			'banana' => 'value3',
+			'cherry' => 'value4'
+		];
+
+		$expected = [
+			'zebra' => 'value1',
+			'cherry' => 'value4',
+			'banana' => 'value3',
+			'apple' => 'value2'
+		];
+
+		$result = ArrayHandler::ksortArray($input, false, true);
+		$this->assertEquals($expected, $result);
+		$this->assertEquals(array_keys($expected), array_keys($result));
+	}
+
+	/**
+	 * Test case-insensitive ascending sort
+	 */
+	public function testKsortArrayCaseInsensitiveAscending(): void
+	{
+		$input = [
+			'Zebra' => 'value1',
+			'apple' => 'value2',
+			'Banana' => 'value3',
+			'cherry' => 'value4'
+		];
+
+		$expected = [
+			'apple' => 'value2',
+			'Banana' => 'value3',
+			'cherry' => 'value4',
+			'Zebra' => 'value1'
+		];
+
+		$result = ArrayHandler::ksortArray($input, true);
+		$this->assertEquals($expected, $result);
+		$this->assertEquals(array_keys($expected), array_keys($result));
+	}
+
+	/**
+	 * Test case-insensitive descending sort
+	 */
+	public function testKsortArrayCaseInsensitiveDescending(): void
+	{
+		$input = [
+			'Zebra' => 'value1',
+			'apple' => 'value2',
+			'Banana' => 'value3',
+			'cherry' => 'value4'
+		];
+
+		$expected = [
+			'Zebra' => 'value1',
+			'cherry' => 'value4',
+			'Banana' => 'value3',
+			'apple' => 'value2'
+		];
+
+		$result = ArrayHandler::ksortArray($input, true, true);
+		$this->assertEquals($expected, $result);
+		$this->assertEquals(array_keys($expected), array_keys($result));
+	}
+
+	/**
+	 * Test with mixed case keys to verify case sensitivity behavior
+	 */
+	public function testKsortArrayCaseSensitivityComparison(): void
+	{
+		$input = [
+			'B' => 'value1',
+			'a' => 'value2',
+			'C' => 'value3',
+			'b' => 'value4'
+		];
+
+		// Case-sensitive sort (uppercase comes before lowercase in ASCII)
+		$expectedCaseSensitive = [
+			'B' => 'value1',
+			'C' => 'value3',
+			'a' => 'value2',
+			'b' => 'value4'
+		];
+
+		// Case-insensitive sort
+		$expectedCaseInsensitive = [
+			'a' => 'value2',
+			'B' => 'value1',
+			'b' => 'value4',
+			'C' => 'value3'
+		];
+
+		$resultCaseSensitive = ArrayHandler::ksortArray($input, false);
+		$resultCaseInsensitive = ArrayHandler::ksortArray($input, true);
+
+		$this->assertEquals($expectedCaseSensitive, $resultCaseSensitive);
+		$this->assertEquals($expectedCaseInsensitive, $resultCaseInsensitive);
+	}
+
+	/**
+	 * Test with numeric string keys
+	 */
+	public function testKsortArrayNumericStringKeys(): void
+	{
+		$input = [
+			'10' => 'value1',
+			'2' => 'value2',
+			'1' => 'value3',
+			'20' => 'value4'
+		];
+
+		// String comparison, not numeric
+		$expected = [
+			'1' => 'value3',
+			'10' => 'value1',
+			'2' => 'value2',
+			'20' => 'value4'
+		];
+
+		$result = ArrayHandler::ksortArray($input);
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test with special characters in keys
+	 */
+	public function testKsortArraySpecialCharacters(): void
+	{
+		$input = [
+			'key_with_underscore' => 'value1',
+			'key-with-dash' => 'value2',
+			'key.with.dot' => 'value3',
+			'key with space' => 'value4',
+			'keyWithCamelCase' => 'value5'
+		];
+
+		$result = ArrayHandler::ksortArray($input);
+
+		// Verify it doesn't throw an error and maintains all keys
+		$this->assertCount(5, $result);
+		$this->assertArrayHasKey('key_with_underscore', $result);
+		$this->assertArrayHasKey('key-with-dash', $result);
+		$this->assertArrayHasKey('key.with.dot', $result);
+		$this->assertArrayHasKey('key with space', $result);
+		$this->assertArrayHasKey('keyWithCamelCase', $result);
+	}
+
+	/**
+	 * Test with empty array
+	 */
+	public function testKsortArrayEmpty(): void
+	{
+		$input = [];
+		$result = ArrayHandler::ksortArray($input);
+		$this->assertEquals([], $result);
+		$this->assertIsArray($result);
+	}
+
+	/**
+	 * Test with single element array
+	 */
+	public function testKsortArraySingleElement(): void
+	{
+		$input = ['onlykey' => 'onlyvalue'];
+		$result = ArrayHandler::ksortArray($input);
+		$this->assertEquals($input, $result);
+	}
+
+	/**
+	 * Test that original array is not modified (function returns new array)
+	 */
+	public function testKsortArrayDoesNotModifyOriginal(): void
+	{
+		$original = [
+			'zebra' => 'value1',
+			'apple' => 'value2',
+			'banana' => 'value3'
+		];
+
+		$originalCopy = $original; // Keep a copy for comparison
+		$result = ArrayHandler::ksortArray($original);
+
+		// Original array should remain unchanged
+		$this->assertEquals($originalCopy, $original);
+		$this->assertNotEquals(array_keys($original), array_keys($result));
+	}
+
+	/**
+	 * Test with complex mixed data types as values
+	 */
+	public function testKsortArrayMixedValueTypes(): void
+	{
+		$input = [
+			'string_key' => 'string_value',
+			'array_key' => ['nested', 'array'],
+			'int_key' => 42,
+			'bool_key' => true,
+			'null_key' => null
+		];
+
+		$result = ArrayHandler::ksortArray($input);
+
+		// Check that all keys are preserved and sorted
+		$expectedKeys = ['array_key', 'bool_key', 'int_key', 'null_key', 'string_key'];
+		$this->assertEquals($expectedKeys, array_keys($result));
+
+		// Check that values are preserved correctly
+		$this->assertEquals('string_value', $result['string_key']);
+		$this->assertEquals(['nested', 'array'], $result['array_key']);
+		$this->assertEquals(42, $result['int_key']);
+		$this->assertTrue($result['bool_key']);
+		$this->assertNull($result['null_key']);
+	}
+
+	/**
+	 * Test all parameter combinations
+	 */
+	public function testKsortArrayAllParameterCombinations(): void
+	{
+		$input = [
+			'Delta' => 'value1',
+			'alpha' => 'value2',
+			'Charlie' => 'value3',
+			'bravo' => 'value4'
+		];
+
+		// Test all 4 combinations
+		$result1 = ArrayHandler::ksortArray($input, false, false); // default
+		$result2 = ArrayHandler::ksortArray($input, false, true);  // reverse only
+		$result3 = ArrayHandler::ksortArray($input, true, false);  // lowercase only
+		$result4 = ArrayHandler::ksortArray($input, true, true);   // both
+
+		// Each should produce different ordering
+		$this->assertNotEquals(array_keys($result1), array_keys($result2));
+		$this->assertNotEquals(array_keys($result1), array_keys($result3));
+		$this->assertNotEquals(array_keys($result1), array_keys($result4));
+		$this->assertNotEquals(array_keys($result2), array_keys($result3));
+		$this->assertNotEquals(array_keys($result2), array_keys($result4));
+		$this->assertNotEquals(array_keys($result3), array_keys($result4));
+
+		// But all should have same keys and values, just different order
+		$this->assertEqualsCanonicalizing(array_values($input), array_values($result1));
+		$this->assertEqualsCanonicalizing(array_values($input), array_values($result2));
+		$this->assertEqualsCanonicalizing(array_values($input), array_values($result3));
+		$this->assertEqualsCanonicalizing(array_values($input), array_values($result4));
+	}
+
+	/**
+	 * Data provider for comprehensive testing
+	 */
+	public function sortingParametersProvider(): array
+	{
+		return [
+			'default' => [false, false],
+			'reverse' => [false, true],
+			'lowercase' => [true, false],
+			'lowercase_reverse' => [true, true],
+		];
+	}
+
+	/**
+	 * Test that function works with all parameter combinations using data provider
+	 *
+	 * @dataProvider sortingParametersProvider
+	 */
+	public function testKsortArrayWithDataProvider(bool $lowerCase, bool $reverse): void
+	{
+		$input = [
+			'Zebra' => 'animal1',
+			'apple' => 'fruit1',
+			'Banana' => 'fruit2',
+			'cat' => 'animal2'
+		];
+
+		$result = ArrayHandler::ksortArray($input, $lowerCase, $reverse);
+
+		// Basic assertions that apply to all combinations
+		$this->assertIsArray($result);
+		$this->assertCount(4, $result);
+		$this->assertArrayHasKey('Zebra', $result);
+		$this->assertArrayHasKey('apple', $result);
+		$this->assertArrayHasKey('Banana', $result);
+		$this->assertArrayHasKey('cat', $result);
+	}
+}
+
+// __END__

test/phpunit/Combined/CoreLibsCombinedArrayHandlerSelectArrayFromOptionTest.php

@@ -0,0 +1,383 @@
+<?php
+
+// created by Claude Sonnet 4
+
+// testRecursiveSearchWithFlatResult had wrong retunr count
+
+declare(strict_types=1);
+
+namespace tests;
+
+use PHPUnit\Framework\TestCase;
+use CoreLibs\Combined\ArrayHandler;
+
+class CoreLibsCombinedArrayHandlerSelectArrayFromOptionTest extends TestCase
+{
+	private array $testData;
+	private array $nestedTestData;
+
+	protected function setUp(): void
+	{
+		$this->testData = [
+			'item1' => [
+				'name' => 'John',
+				'age' => 25,
+				'status' => 'active',
+				'score' => 85.5
+			],
+			'item2' => [
+				'name' => 'jane',
+				'age' => 30,
+				'status' => 'inactive',
+				'score' => 92.0
+			],
+			'item3' => [
+				'name' => 'Bob',
+				'age' => 25,
+				'status' => 'active',
+				'score' => 78.3
+			],
+			'item4' => [
+				'name' => 'Alice',
+				'age' => 35,
+				'status' => 'pending',
+				'score' => 88.7
+			]
+		];
+
+		$this->nestedTestData = [
+			'level1_a' => [
+				'name' => 'Level1A',
+				'type' => 'parent',
+				'children' => [
+					'child1' => [
+						'name' => 'Child1',
+						'type' => 'child',
+						'active' => true
+					],
+					'child2' => [
+						'name' => 'Child2',
+						'type' => 'child',
+						'active' => false
+					]
+				]
+			],
+			'level1_b' => [
+				'name' => 'Level1B',
+				'type' => 'parent',
+				'children' => [
+					'child3' => [
+						'name' => 'Child3',
+						'type' => 'child',
+						'active' => true,
+						'nested' => [
+							'deep1' => [
+								'name' => 'Deep1',
+								'type' => 'deep',
+								'active' => true
+							]
+						]
+					]
+				]
+			],
+			'item5' => [
+				'name' => 'Direct',
+				'type' => 'child',
+				'active' => false
+			]
+		];
+	}
+
+	public function testEmptyArrayReturnsEmpty(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption([], 'name', 'John');
+		$this->assertEmpty($result);
+	}
+
+	public function testBasicStringSearch(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption($this->testData, 'name', 'John');
+
+		$this->assertCount(1, $result);
+		$this->assertArrayHasKey('item1', $result);
+		$this->assertEquals('John', $result['item1']['name']);
+	}
+
+	public function testBasicIntegerSearch(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption($this->testData, 'age', 25);
+
+		$this->assertCount(2, $result);
+		$this->assertArrayHasKey('item1', $result);
+		$this->assertArrayHasKey('item3', $result);
+	}
+
+	public function testBasicFloatSearch(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption($this->testData, 'score', 85.5);
+
+		$this->assertCount(1, $result);
+		$this->assertArrayHasKey('item1', $result);
+		$this->assertEquals(85.5, $result['item1']['score']);
+	}
+
+	public function testBasicBooleanSearch(): void
+	{
+		$data = [
+			'item1' => ['enabled' => true, 'name' => 'Test1'],
+			'item2' => ['enabled' => false, 'name' => 'Test2'],
+			'item3' => ['enabled' => true, 'name' => 'Test3']
+		];
+
+		$result = ArrayHandler::selectArrayFromOption($data, 'enabled', true);
+
+		$this->assertCount(2, $result);
+		$this->assertArrayHasKey('item1', $result);
+		$this->assertArrayHasKey('item3', $result);
+	}
+
+	public function testStrictComparison(): void
+	{
+		$data = [
+			'item1' => ['value' => '25', 'name' => 'String25'],
+			'item2' => ['value' => 25, 'name' => 'Int25'],
+			'item3' => ['value' => 25.0, 'name' => 'Float25']
+		];
+
+		// Non-strict should match all
+		$nonStrictResult = ArrayHandler::selectArrayFromOption($data, 'value', 25, false);
+		$this->assertCount(3, $nonStrictResult);
+
+		// Strict should only match exact type
+		$strictResult = ArrayHandler::selectArrayFromOption($data, 'value', 25, true);
+		$this->assertCount(1, $strictResult);
+		$this->assertArrayHasKey('item2', $strictResult);
+	}
+
+	public function testCaseInsensitiveSearch(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption($this->testData, 'name', 'JANE', false, true);
+
+		$this->assertCount(1, $result);
+		$this->assertArrayHasKey('item2', $result);
+		$this->assertEquals('jane', $result['item2']['name']);
+	}
+
+	public function testCaseSensitiveSearch(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption($this->testData, 'name', 'JANE', false, false);
+
+		$this->assertEmpty($result);
+	}
+
+	public function testRecursiveSearchWithFlatResult(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption(
+			$this->nestedTestData,
+			'type',
+			'child',
+			false,
+			false,
+			true,
+			true,
+			':*'
+		);
+
+		$this->assertCount(4, $result);
+		$this->assertArrayHasKey('level1_a:*children:*child1', $result);
+		$this->assertArrayHasKey('level1_a:*children:*child2', $result);
+		$this->assertArrayHasKey('level1_b:*children:*child3', $result);
+		$this->assertArrayHasKey('item5', $result);
+	}
+
+	public function testRecursiveSearchWithNestedResult(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption(
+			$this->nestedTestData,
+			'type',
+			'child',
+			false,
+			false,
+			true,
+			false
+		);
+
+		$this->assertCount(3, $result);
+		$this->assertArrayHasKey('level1_a', $result);
+		$this->assertArrayHasKey('level1_b', $result);
+		$this->assertArrayHasKey('item5', $result);
+
+		// Check nested structure is preserved
+		$this->assertArrayHasKey('children', $result['level1_a']);
+		$this->assertArrayHasKey('child1', $result['level1_a']['children']);
+		$this->assertArrayHasKey('child2', $result['level1_a']['children']);
+	}
+
+	public function testRecursiveSearchDeepNesting(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption(
+			$this->nestedTestData,
+			'type',
+			'deep',
+			false,
+			false,
+			true,
+			true,
+			':*'
+		);
+
+		$this->assertCount(1, $result);
+		$this->assertArrayHasKey('level1_b:*children:*child3:*nested:*deep1', $result);
+		$this->assertEquals('Deep1', $result['level1_b:*children:*child3:*nested:*deep1']['name']);
+	}
+
+	public function testCustomFlatSeparator(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption(
+			$this->nestedTestData,
+			'type',
+			'child',
+			false,
+			false,
+			true,
+			true,
+			'|'
+		);
+
+		$this->assertArrayHasKey('level1_a|children|child1', $result);
+		$this->assertArrayHasKey('level1_a|children|child2', $result);
+		$this->assertArrayHasKey('level1_b|children|child3', $result);
+	}
+
+	public function testNonRecursiveSearch(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption(
+			$this->nestedTestData,
+			'type',
+			'child',
+			false,
+			false,
+			false
+		);
+
+		// Should only find direct matches, not nested ones
+		$this->assertCount(1, $result);
+		$this->assertArrayHasKey('item5', $result);
+	}
+
+	public function testNoMatchesFound(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption($this->testData, 'name', 'NonExistent');
+
+		$this->assertEmpty($result);
+	}
+
+	public function testMissingLookupKey(): void
+	{
+		$result = ArrayHandler::selectArrayFromOption($this->testData, 'nonexistent_key', 'value');
+
+		$this->assertEmpty($result);
+	}
+
+	public function testCombinedStrictAndCaseInsensitive(): void
+	{
+		$data = [
+			'item1' => ['name' => 'Test', 'id' => '123'],
+			'item2' => ['name' => 'test', 'id' => 123],
+			'item3' => ['name' => 'TEST', 'id' => '123']
+		];
+
+		// Case insensitive but strict type matching
+		$result = ArrayHandler::selectArrayFromOption($data, 'id', '123', true, true);
+
+		$this->assertCount(2, $result);
+		$this->assertArrayHasKey('item1', $result);
+		$this->assertArrayHasKey('item3', $result);
+	}
+
+	public function testBooleanWithCaseInsensitive(): void
+	{
+		$data = [
+			'item1' => ['active' => true, 'name' => 'Test1'],
+			'item2' => ['active' => false, 'name' => 'Test2']
+		];
+
+		// Case insensitive flag should not affect boolean comparison
+		$result = ArrayHandler::selectArrayFromOption($data, 'active', true, false, true);
+
+		$this->assertCount(1, $result);
+		$this->assertArrayHasKey('item1', $result);
+	}
+
+	public function testArrayWithNumericKeys(): void
+	{
+		$data = [
+			0 => ['name' => 'First', 'type' => 'test'],
+			1 => ['name' => 'Second', 'type' => 'test'],
+			2 => ['name' => 'Third', 'type' => 'other']
+		];
+
+		$result = ArrayHandler::selectArrayFromOption($data, 'type', 'test');
+
+		$this->assertCount(2, $result);
+		$this->assertArrayHasKey(0, $result);
+		$this->assertArrayHasKey(1, $result);
+	}
+
+	public function testRecursiveWithMixedKeyTypes(): void
+	{
+		$data = [
+			'string_key' => [
+				'name' => 'Parent',
+				'type' => 'parent',
+				0 => [
+					'name' => 'Child0',
+					'type' => 'child'
+				],
+				'child_key' => [
+					'name' => 'ChildKey',
+					'type' => 'child'
+				]
+			]
+		];
+
+		$result = ArrayHandler::selectArrayFromOption($data, 'type', 'child', false, false, true, true, ':*');
+
+		$this->assertCount(2, $result);
+		$this->assertArrayHasKey('string_key:*0', $result);
+		$this->assertArrayHasKey('string_key:*child_key', $result);
+	}
+
+	public function testAllParametersCombined(): void
+	{
+		$data = [
+			'parent1' => [
+				'name' => 'Parent1',
+				'status' => 'ACTIVE',
+				'children' => [
+					'child1' => [
+						'name' => 'Child1',
+						'status' => 'active'
+					]
+				]
+			]
+		];
+
+		$result = ArrayHandler::selectArrayFromOption(
+			$data,
+			'status',
+			'active',
+			false,      // not strict
+			true,       // case insensitive
+			true,       // recursive
+			true,       // flat result
+			'|'         // custom separator
+		);
+
+		$this->assertCount(2, $result);
+		$this->assertArrayHasKey('parent1', $result);
+		$this->assertArrayHasKey('parent1|children|child1', $result);
+	}
+}
+
+// __END__

test/phpunit/Combined/CoreLibsCombinedArrayHandlerSortArrayTest.php

@@ -0,0 +1,328 @@
+<?php
+
+// This code was created by Claude Sonnet 4
+
+declare(strict_types=1);
+
+namespace tests;
+
+use PHPUnit\Framework\TestCase;
+use CoreLibs\Combined\ArrayHandler;
+
+class CoreLibsCombinedArrayHandlerSortArrayTest extends TestCase
+{
+	/**
+	 * Test basic ascending sort without maintaining keys
+	 */
+	public function testBasicAscendingSort()
+	{
+		$input = [3, 1, 4, 1, 5, 9];
+		$expected = [1, 1, 3, 4, 5, 9];
+
+		$result = ArrayHandler::sortArray($input);
+
+		$this->assertEquals($expected, $result);
+		$this->assertEquals(array_keys($expected), array_keys($result));
+	}
+
+	/**
+	 * Test basic descending sort without maintaining keys
+	 */
+	public function testBasicDescendingSort()
+	{
+		$input = [3, 1, 4, 1, 5, 9];
+		$expected = [9, 5, 4, 3, 1, 1];
+
+		$result = ArrayHandler::sortArray($input, false, true);
+
+		$this->assertEquals($expected, $result);
+		$this->assertEquals(array_keys($expected), array_keys($result));
+	}
+
+	/**
+	 * Test ascending sort with key maintenance
+	 */
+	public function testAscendingSortWithKeyMaintenance()
+	{
+		$input = ['c' => 3, 'a' => 1, 'd' => 4, 'b' => 1, 'e' => 5];
+		$expected = ['a' => 1, 'b' => 1, 'c' => 3, 'd' => 4, 'e' => 5];
+
+		$result = ArrayHandler::sortArray($input, false, false, true);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test descending sort with key maintenance
+	 */
+	public function testDescendingSortWithKeyMaintenance()
+	{
+		$input = ['c' => 3, 'a' => 1, 'd' => 4, 'b' => 1, 'e' => 5];
+		$expected = ['e' => 5, 'd' => 4, 'c' => 3, 'a' => 1, 'b' => 1];
+
+		$result = ArrayHandler::sortArray($input, false, true, true);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test string sorting with lowercase conversion
+	 */
+	public function testStringLowerCaseSort()
+	{
+		$input = ['Banana', 'apple', 'Cherry', 'date'];
+		$expected = ['apple', 'Banana', 'Cherry', 'date'];
+
+		$result = ArrayHandler::sortArray($input, true);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test string sorting with lowercase conversion in reverse
+	 */
+	public function testStringLowerCaseSortReverse()
+	{
+		$input = ['Banana', 'apple', 'Cherry', 'date'];
+		$expected = ['date', 'Cherry', 'Banana', 'apple'];
+
+		$result = ArrayHandler::sortArray($input, true, true);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test string sorting with lowercase conversion and key maintenance
+	 */
+	public function testStringLowerCaseSortWithKeys()
+	{
+		$input = ['b' => 'Banana', 'a' => 'apple', 'c' => 'Cherry', 'd' => 'date'];
+		$expected = ['a' => 'apple', 'b' => 'Banana', 'c' => 'Cherry', 'd' => 'date'];
+
+		$result = ArrayHandler::sortArray($input, true, false, true);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test string sorting with lowercase conversion, reverse, and key maintenance
+	 */
+	public function testStringLowerCaseSortReverseWithKeys()
+	{
+		$input = ['b' => 'Banana', 'a' => 'apple', 'c' => 'Cherry', 'd' => 'date'];
+		$expected = ['d' => 'date', 'c' => 'Cherry', 'b' => 'Banana', 'a' => 'apple'];
+
+		$result = ArrayHandler::sortArray($input, true, true, true);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test numeric string sorting with SORT_NUMERIC flag
+	 */
+	public function testNumericStringSorting()
+	{
+		$input = ['10', '2', '1', '20'];
+		$expected = ['1', '2', '10', '20'];
+
+		$result = ArrayHandler::sortArray($input, false, false, false, SORT_NUMERIC);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test natural string sorting with SORT_NATURAL flag
+	 */
+	public function testNaturalStringSorting()
+	{
+		$input = ['img1.png', 'img10.png', 'img2.png', 'img20.png'];
+		$expected = ['img1.png', 'img2.png', 'img10.png', 'img20.png'];
+
+		$result = ArrayHandler::sortArray($input, false, false, false, SORT_NATURAL);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test with empty array
+	 */
+	public function testEmptyArray()
+	{
+		$input = [];
+		$expected = [];
+
+		$result = ArrayHandler::sortArray($input);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test with single element array
+	 */
+	public function testSingleElementArray()
+	{
+		$input = [42];
+		$expected = [42];
+
+		$result = ArrayHandler::sortArray($input);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test with array containing null values
+	 */
+	public function testArrayWithNullValues()
+	{
+		$input = [3, null, 1, null, 2];
+		$expected = [null, null, 1, 2, 3];
+
+		$result = ArrayHandler::sortArray($input);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test with mixed data types
+	 */
+	public function testMixedDataTypes()
+	{
+		$input = [3, '1', 4.5, '2', 1];
+
+		$result = ArrayHandler::sortArray($input);
+
+		// Should sort according to PHP's natural comparison rules
+		$this->assertIsArray($result);
+		$this->assertCount(5, $result);
+	}
+
+	/**
+	 * Test that original array is not modified (immutability)
+	 */
+	public function testOriginalArrayNotModified()
+	{
+		$original = [3, 1, 4, 1, 5, 9];
+		$input = $original;
+
+		$result = ArrayHandler::sortArray($input);
+
+		$this->assertEquals($original, $input);
+		$this->assertNotEquals($input, $result);
+	}
+
+	/**
+	 * Test case sensitivity without lowercase flag
+	 */
+	public function testCaseSensitivityWithoutLowercase()
+	{
+		$input = ['Banana', 'apple', 'Cherry'];
+
+		$result = ArrayHandler::sortArray($input);
+
+		// Capital letters should come before lowercase in ASCII sort
+		$this->assertEquals('Banana', $result[0]);
+		$this->assertEquals('Cherry', $result[1]);
+		$this->assertEquals('apple', $result[2]);
+	}
+
+	/**
+	 * Test all parameters combination
+	 */
+	public function testAllParametersCombination()
+	{
+		$input = ['z' => 'Zebra', 'a' => 'apple', 'b' => 'Banana'];
+
+		$result = ArrayHandler::sortArray($input, true, true, true, SORT_REGULAR);
+
+		// Should be sorted by lowercase, reversed, with keys maintained
+		$keys = array_keys($result);
+		$values = array_values($result);
+
+		$this->assertEquals(['z', 'b', 'a'], $keys);
+		$this->assertEquals(['Zebra', 'Banana', 'apple'], $values);
+	}
+
+	/**
+	 * Test floating point numbers
+	 */
+	public function testFloatingPointNumbers()
+	{
+		$input = [3.14, 2.71, 1.41, 1.73];
+		$expected = [1.41, 1.73, 2.71, 3.14];
+
+		$result = ArrayHandler::sortArray($input);
+
+		$this->assertEquals($expected, $result);
+	}
+
+	/**
+	 * Test with duplicate values and key maintenance
+	 */
+	public function testDuplicateValuesWithKeyMaintenance()
+	{
+		$input = ['first' => 1, 'second' => 2, 'third' => 1, 'fourth' => 2];
+
+		$result = ArrayHandler::sortArray($input, false, false, true);
+
+		$this->assertCount(4, $result);
+		$this->assertEquals([1, 1, 2, 2], array_values($result));
+		// Keys should be preserved
+		$this->assertArrayHasKey('first', $result);
+		$this->assertArrayHasKey('second', $result);
+		$this->assertArrayHasKey('third', $result);
+		$this->assertArrayHasKey('fourth', $result);
+	}
+
+	/**
+	 * Data provider for comprehensive parameter testing
+	 */
+	public function sortParameterProvider(): array
+	{
+		return [
+			'basic_ascending' => [
+				[3, 1, 4, 2],
+				false, false, false, SORT_REGULAR,
+				[1, 2, 3, 4]
+			],
+			'basic_descending' => [
+				[3, 1, 4, 2],
+				false, true, false, SORT_REGULAR,
+				[4, 3, 2, 1]
+			],
+			'lowercase_ascending' => [
+				['Banana', 'apple', 'Cherry'],
+				true, false, false, SORT_REGULAR,
+				['apple', 'Banana', 'Cherry']
+			],
+			'lowercase_descending' => [
+				['Banana', 'apple', 'Cherry'],
+				true, true, false, SORT_REGULAR,
+				['Cherry', 'Banana', 'apple']
+			]
+		];
+	}
+
+	/**
+	 * Test various parameter combinations using data provider
+	 *
+	 * @dataProvider sortParameterProvider
+	 */
+	public function testSortParameterCombinations(
+		array $input,
+		bool $lowercase,
+		bool $reverse,
+		bool $maintainKeys,
+		int $params,
+		array $expected
+	) {
+		$result = ArrayHandler::sortArray($input, $lowercase, $reverse, $maintainKeys, $params);
+
+		if (!$maintainKeys) {
+			$this->assertEquals($expected, $result);
+		} else {
+			$this->assertEquals($expected, array_values($result));
+		}
+	}
+}
+
+// __END__