Session class rewrite

.phan/config.php

@@ -370,6 +370,7 @@ return [
 	'file_list' => [
 		"./test/configs/config.php",
 		"./test/configs/config.other.php",
+		"./test/configs/config.path.php",
 		"./test/configs/config.master.php",
 	],
 ];

composer.json

@@ -20,6 +20,10 @@
         "psr/log": "^3.0@dev"
     },
     "require-dev": {
+		"phpstan/phpstan": "^2.0",
+		"phpstan/phpdoc-parser": "^2.0",
+		"phpstan/phpstan-deprecation-rules": "^2.0",
+        "phan/phan": "^5.4",
         "egrajp/smarty-extended": "^4.3",
         "gullevek/dotenv": "dev-master",
         "phpunit/phpunit": "^9"

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__

publish/last.published

@@ -1 +1 @@
-9.17.5
+9.22.0

src/ACL/Login.php

@@ -69,12 +69,17 @@ declare(strict_types=1);
 namespace CoreLibs\ACL;
 
 use CoreLibs\Security\Password;
+use CoreLibs\Create\Uids;
 use CoreLibs\Convert\Json;
 
 class Login
 {
 	/** @var ?int the user id var*/
 	private ?int $euid;
+	/** @var ?string the user cuid (note will be super seeded with uuid v4 later) */
+	private ?string $ecuid;
+	/** @var ?string UUIDv4, will superseed the ecuid and replace euid as login id */
+	private ?string $ecuuid;
 	/** @var string _GET/_POST loginUserId parameter for non password login */
 	private string $login_user_id = '';
 	/** @var string source, either _GET or _POST or empty */
@@ -193,6 +198,12 @@ class Login
 	/** @var bool */
 	private bool $login_is_ajax_page = false;
 
+	// logging
+	/** @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 = [];
+
 	// settings
 	/** @var array<string,mixed> options */
 	private array $options = [];
@@ -379,6 +390,8 @@ class Login
 		$_SESSION['DEFAULT_ACL_LIST'] = $this->default_acl_list;
 		$_SESSION['DEFAULT_ACL_LIST_TYPE'] = $this->default_acl_list_type;
 
+		$this->loginSetEditLogWriteTypeAvailable();
+
 		// this will be deprecated
 		if ($this->options['auto_login'] === true) {
 			$this->loginMainCall();
@@ -757,7 +770,7 @@ class Login
 		}
 		// have to get the global stuff here for setting it later
 		// we have to get the themes in here too
-		$q = "SELECT eu.edit_user_id, eu.username, eu.password, "
+		$q = "SELECT eu.edit_user_id, eu.cuid, eu.cuuid, eu.username, eu.password, "
 			. "eu.edit_group_id, "
 			. "eg.name AS edit_group_name, eu.admin, "
 			// additinal acl lists
@@ -889,6 +902,8 @@ class Login
 			// normal user processing
 			// set class var and session var
 			$_SESSION['EUID'] = $this->euid = (int)$res['edit_user_id'];
+			$_SESSION['ECUID'] = $this->ecuid = (string)$res['cuid'];
+			$_SESSION['ECUUID'] = $this->ecuuid = (string)$res['cuuid'];
 			// check if user is okay
 			$this->loginCheckPermissions();
 			if ($this->login_error == 0) {
@@ -960,10 +975,7 @@ class Login
 					. "AND ear.edit_access_right_id = epa.edit_access_right_id "
 					. "AND epa.enabled = 1 AND epa.edit_group_id = " . $res["edit_group_id"] . " "
 					. "ORDER BY ep.order_number";
-				while ($res = $this->db->dbReturn($q)) {
-					if (!is_array($res)) {
-						break;
-					}
+				while (is_array($res = $this->db->dbReturn($q))) {
 					// page id array for sub data readout
 					$edit_page_ids[$res['edit_page_id']] = $res['cuid'];
 					// create the array for pages
@@ -1135,6 +1147,9 @@ class Login
 		// username (login), group name
 		$this->acl['user_name'] = $_SESSION['USER_NAME'];
 		$this->acl['group_name'] = $_SESSION['GROUP_NAME'];
+		// edit user cuid
+		$this->acl['ecuid'] = $_SESSION['ECUID'];
+		$this->acl['ecuuid'] = $_SESSION['ECUUID'];
 		// set additional acl
 		$this->acl['additional_acl'] = [
 			'user' => $_SESSION['USER_ADDITIONAL_ACL'],
@@ -1303,11 +1318,9 @@ class Login
 	{
 		$is_valid_password = true;
 		// check for valid in regex arrays in list
-		if (is_array($this->password_valid_chars)) {
-			foreach ($this->password_valid_chars as $password_valid_chars) {
-				if (!preg_match("/$password_valid_chars/", $password)) {
-					$is_valid_password = false;
-				}
+		foreach ($this->password_valid_chars as $password_valid_chars) {
+			if (!preg_match("/$password_valid_chars/", $password)) {
+				$is_valid_password = false;
 			}
 		}
 		// check for min length
@@ -1430,7 +1443,7 @@ class Login
 			$data = 'Illegal user for password change: ' . $this->pw_username;
 		}
 		// log this password change attempt
-		$this->writeLog($event, $data, $this->login_error, $this->pw_username);
+		$this->writeEditLog($event, $data, $this->login_error, $this->pw_username);
 	}
 
 	/**
@@ -1571,7 +1584,7 @@ class Login
 					$username = $res['username'];
 				}
 			} // if euid is set, get username (or try)
-			$this->writeLog($event, '', $this->login_error, $username);
+			$this->writeEditLog($event, '', $this->login_error, $username);
 		} // write log under certain settings
 		// now close DB connection
 		// $this->error_msg = $this->_login();
@@ -1727,6 +1740,8 @@ HTML;
 		}
 	}
 
+	// MARK: LOGGING
+
 	/**
 	 * writes detailed data into the edit user log table (keep log what user does)
 	 *
@@ -1736,7 +1751,7 @@ HTML;
 	 * @param  string     $username login user username
 	 * @return void                 has no return
 	 */
-	private function writeLog(
+	private function writeEditLog(
 		string $event,
 		string $data,
 		string|int $error = '',
@@ -1754,50 +1769,191 @@ HTML;
 				'_GET' => $_GET,
 				'_POST' => $_POST,
 				'_FILES' => $_FILES,
-				'error' => $this->login_error
+				'error' => $this->login_error,
+				'data' => $data,
 		];
-		$data_binary = $this->db->dbEscapeBytea((string)bzcompress(serialize($_data_binary)));
-		// SQL querie for log entry
-		$q = "INSERT INTO edit_log "
-			. "(username, password, euid, 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_yes, action_flag, action_menu, action_loaded, "
-			. "action_value, action_error) "
-			. "VALUES ('" . $this->db->dbEscapeString($username) . "', 'PASSWORD', "
-			. ($this->euid ? $this->euid : 'NULL') . ", "
-			. "NOW(), '" . $this->db->dbEscapeString($event) . "', "
-			. "'" . $this->db->dbEscapeString((string)$error) . "', "
-			. "'" . $this->db->dbEscapeString($data) . "', '" . $data_binary . "', "
-			. "'" . $this->page_name . "', ";
-		foreach (
-			[
-				'REMOTE_ADDR', 'HTTP_USER_AGENT', 'HTTP_REFERER', 'SCRIPT_FILENAME',
-				'QUERY_STRING', 'SERVER_NAME', 'HTTP_HOST', 'HTTP_ACCEPT',
-				'HTTP_ACCEPT_CHARSET', 'HTTP_ACCEPT_ENCODING'
-			] as $server_code
-		) {
-			if (array_key_exists($server_code, $_SERVER)) {
-				$q .= "'" . $this->db->dbEscapeString($_SERVER[$server_code]) . "', ";
-			} else {
-				$q .= "NULL, ";
-			}
+		$_action_set = [
+			'action' => $this->action,
+			'action_id' => $this->username,
+			'action_flag' => (string)$this->login_error,
+			'action_value' => (string)$this->permission_okay,
+		];
+
+		$this->writeLog($event, $_data_binary, $_action_set, $error, $username);
+	}
+
+	/**
+	 * writes all action vars plus other info into edit_log table
+	 * this is for public class
+	 *
+	 * phpcs:disable Generic.Files.LineLength
+	 * @param  string              $event [default='']        any kind of event description,
+	 * @param  string|array<mixed> $data [default='']         any kind of data related to that event
+	 * @param  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} $action_set [default=[]] action set names
+	 * @param  string|int          $error    error id (mostly an int)
+	 * @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
+	 * phpcs:enable Generic.Files.LineLength
+	 */
+	public function writeLog(
+		string $event = '',
+		string|array $data = '',
+		array $action_set = [],
+		string|int $error = '',
+		string $username = '',
+		string $write_type = 'JSON',
+		?string $db_schema = null
+	): void {
+		$data_binary = '';
+		$data_write = '';
+
+		// check if write type is valid, if not fallback to JSON
+		if (!in_array(strtoupper($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,
+			]);
+			$write_type = 'JSON';
+		}
+		switch ($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 */
+		$DB_SCHEMA = 'public';
+		if ($db_schema !== null) {
+			$DB_SCHEMA = $db_schema;
+		} elseif (!empty($this->db->dbGetSchema())) {
+			$DB_SCHEMA = $this->db->dbGetSchema();
+		}
+		$q = <<<SQL
+		INSERT INTO {DB_SCHEMA}.edit_log (
+			username, euid, ecuid, ecuuid, 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],
+				$q
+			),
+			[
+				// row 1
+				empty($username) ? $_SESSION['USER_NAME'] ?? '' : $username,
+				!empty($_SESSION['EUID']) && is_numeric($_SESSION['EUID']) ?
+					$_SESSION['EUID'] : null,
+				!empty($_SESSION['ECUID']) && is_string($_SESSION['ECUID']) ?
+					$_SESSION['ECUID'] : null,
+				!empty($_SESSION['ECUUID']) && Uids::validateUuuidv4($_SESSION['ECUUID']) ?
+					$_SESSION['ECUUID'] : null,
+				(string)$event,
+				(string)$error,
+				$data_write,
+				$data_binary,
+				(string)$this->page_name,
+				// row 2
+				$_SERVER["REMOTE_ADDR"] ?? null,
+				$_SERVER['HTTP_USER_AGENT'] ?? null,
+				$_SERVER['HTTP_REFERER'] ?? null,
+				$_SERVER['SCRIPT_FILENAME'] ?? null,
+				$_SERVER['QUERY_STRING'] ?? null,
+				$_SERVER['SERVER_NAME'] ?? null,
+				$_SERVER['HTTP_HOST'] ?? null,
+				// row 3
+				$_SERVER['HTTP_ACCEPT'] ?? null,
+				$_SERVER['HTTP_ACCEPT_CHARSET'] ?? null,
+				$_SERVER['HTTP_ACCEPT_ENCODING'] ?? null,
+				$this->session->getSessionId() !== '' ?
+					$this->session->getSessionId() : null,
+				// row 4
+				$action_set['action'] ?? null,
+				$action_set['action_id'] ?? null,
+				$action_set['action_sub_id'] ?? null,
+				$action_set['action_yes'] ?? null,
+				$action_set['action_flag'] ?? null,
+				$action_set['action_menu'] ?? null,
+				$action_set['action_loaded'] ?? null,
+				$action_set['action_value'] ?? null,
+				$action_set['action_type'] ?? null,
+				$action_set['action_error'] ?? null,
+			],
+			'NULL'
+		);
+	}
+
+	/**
+	 * set the write types that are allowed
+	 *
+	 * @return void
+	 */
+	private function loginSetEditLogWriteTypeAvailable()
+	{
+		// 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']);
 		}
-		$q .= "'" . $this->session->getSessionId() . "', ";
-		$q .= "'" . $this->db->dbEscapeString($this->action) . "', ";
-		$q .= "'" . $this->db->dbEscapeString($this->username) . "', ";
-		$q .= "NULL, ";
-		$q .= "'" . $this->db->dbEscapeString((string)$this->login_error) . "', ";
-		$q .= "NULL, NULL, ";
-		$q .= "'" . $this->db->dbEscapeString((string)$this->permission_okay) . "', ";
-		$q .= "NULL)";
-		$this->db->dbExec($q, 'NULL');
 	}
 
 	// *************************************************************************
 	// **** PUBLIC INTERNAL
 	// *************************************************************************
 
+	// MARK: LOGIN CALL
+
 	/**
 	 * Main call that needs to be run to actaully check for login
 	 * If this is not called, no login checks are done, unless the class
@@ -1867,6 +2023,9 @@ HTML;
 		}
 		// if there is none, there is none, saves me POST/GET check
 		$this->euid = array_key_exists('EUID', $_SESSION) ? (int)$_SESSION['EUID'] : 0;
+		// TODO: allow load from cuid
+		// $this->ecuid = array_key_exists('ECUID', $_SESSION) ? (string)$_SESSION['ECUID'] : '';
+		// $this->ecuuid = array_key_exists('ECUUID', $_SESSION) ? (string)$_SESSION['ECUUID'] : '';
 		// get login vars, are so, can't be changed
 		// prepare
 		// pass on vars to Object vars
@@ -1947,6 +2106,8 @@ HTML;
 		$this->loginSetAcl();
 	}
 
+	// MARK: setters/getters
+
 	/**
 	 * Returns current set login_html content
 	 *
@@ -2116,6 +2277,8 @@ HTML;
 		$this->session->sessionDestroy();
 		// unset euid
 		$this->euid = null;
+		$this->ecuid = null;
+		$this->ecuuid = null;
 		// then prints the login screen again
 		$this->permission_okay = false;
 	}
@@ -2133,11 +2296,12 @@ HTML;
 		if (empty($this->euid)) {
 			return $this->permission_okay;
 		}
+		// euid must match ecuid and ecuuid
 		// bail for previous wrong page match, eg if method is called twice
 		if ($this->login_error == 103) {
 			return $this->permission_okay;
 		}
-		$q = "SELECT ep.filename, "
+		$q = "SELECT ep.filename, eu.cuid, eu.cuuid, "
 			// base lock flags
 			. "eu.deleted, eu.enabled, eu.locked, "
 			// date based lock
@@ -2203,6 +2367,9 @@ HTML;
 		} else {
 			$this->login_error = 103;
 		}
+		// set ECUID
+		$_SESSION['ECUID'] = $this->ecuid = (string)$res['cuid'];
+		$_SESSION['ECUUID'] = $this->ecuuid = (string)$res['cuuid'];
 		// if called from public, so we can check if the permissions are ok
 		return $this->permission_okay;
 	}
@@ -2508,6 +2675,26 @@ HTML;
 	{
 		return (string)$this->euid;
 	}
+
+	/**
+	 * Get the current set ECUID (edit user cuid)
+	 *
+	 * @return string ECUID as string
+	 */
+	public function loginGetEcuid(): string
+	{
+		return (string)$this->ecuid;
+	}
+
+	/**
+	 * Get the current set ECUUID (edit user cuuid)
+	 *
+	 * @return string ECUUID as string
+	 */
+	public function loginGetEcuuid(): string
+	{
+		return (string)$this->ecuuid;
+	}
 }
 
 // __END__

src/Admin/Backend.php

@@ -31,6 +31,7 @@ declare(strict_types=1);
 
 namespace CoreLibs\Admin;
 
+use CoreLibs\Create\Uids;
 use CoreLibs\Convert\Json;
 
 class Backend
@@ -258,6 +259,27 @@ class Backend
 		}
 	}
 
+	/**
+	 * 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
 	 *
@@ -267,6 +289,7 @@ class Backend
 	 *                                                        JSON, STRING/SERIEAL, BINARY/BZIP or ZLIB
 	 * @param  string|null         $db_schema [default=null]  override target schema
 	 * @return void
+	 * @deprecated Use $login->writeLog() and set action_set from ->adbGetActionSet()
 	 */
 	public function adbEditLog(
 		string $event = '',
@@ -335,17 +358,17 @@ class Backend
 		}
 		$q = <<<SQL
 		INSERT INTO {DB_SCHEMA}.edit_log (
-			euid, event_date, event, data, data_binary, page,
+			username, euid, ecuid, ecuuid, 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_yes, action_flag, action_menu, action_loaded,
+			action, action_id, action_sub_id, action_yes, action_flag, action_menu, action_loaded,
 			action_value, action_type, action_error
 		) VALUES (
-			$1, NOW(), $2, $3, $4, $5,
-			$6, $7, $8, $9, $10, $11, $12,
-			$13, $14, $15, $16,
-			$17, $18, $19, $20, $21, $22,
-			$23, $24, $25
+			$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;
 		$this->db->dbExecParams(
@@ -356,9 +379,15 @@ class Backend
 			),
 			[
 				// row 1
-				isset($_SESSION['EUID']) && is_numeric($_SESSION['EUID']) ?
+				'',
+				!empty($_SESSION['EUID']) && is_numeric($_SESSION['EUID']) ?
 					$_SESSION['EUID'] : null,
+				!empty($_SESSION['ECUID']) && is_string($_SESSION['ECUID']) ?
+					$_SESSION['ECUID'] : null,
+				!empty($_SESSION['ECUUID']) && Uids::validateUuuidv4($_SESSION['ECUID']) ?
+					$_SESSION['ECUID'] : null,
 				(string)$event,
+				'',
 				$data_write,
 				$data_binary,
 				(string)$this->page_name,
@@ -374,11 +403,12 @@ class Backend
 				$_SERVER['HTTP_ACCEPT'] ?? '',
 				$_SERVER['HTTP_ACCEPT_CHARSET'] ?? '',
 				$_SERVER['HTTP_ACCEPT_ENCODING'] ?? '',
-				$this->session->getSessionId() !== false ?
+				$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 ?? '',
@@ -425,10 +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',

src/Basic.php

@@ -1139,118 +1139,6 @@ 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/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/Math.php

@@ -56,6 +56,180 @@ class Math
 			return (float)$number;
 		}
 	}
+
+	/**
+	 * calc cube root
+	 *
+	 * @param  float $number Number to cubic root
+	 * @return float         Calculated value
+	 */
+	public static function cbrt(float|int $number): float
+	{
+		return pow((float)$number, 1.0 / 3);
+	}
+
+	/**
+	 * 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: $row,
+						callback: fn ($a, $v, $i = null) => $a + $v * (
+							// if last entry missing for full copy add a 0 to it
+							$col[$i ?? array_search($v, $row, true)] ?? 0 /** @phpstan-ignore-line */
+						),
+						initial: 0,
+					) :
+					array_reduce(
+						array: $col,
+						callback: fn ($a, $v) => $a + $v * $row,
+						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/Create/Session.php

@@ -15,19 +15,27 @@ 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;
+
 	/**
 	 * 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
 	 */
-	public function __construct(string $session_name = '')
+	public function __construct(string $session_name, bool $auto_write_close = false)
 	{
-		if (!empty($session_name)) {
-			$this->startSession($session_name);
-		}
+		$this->initSession($session_name);
+		$this->auto_write_close = $auto_write_close;
 	}
 
+	// MARK: private methods
+
 	/**
 	 * Start session
 	 * startSession should be called for complete check
@@ -36,36 +44,32 @@ 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;
 	}
 
 	/**
@@ -93,16 +97,18 @@ class Session
 		return true;
 	}
 
+	// MARK: init session (on class start)
+
 	/**
-	 * start session with given session name if set
+	 * 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 +121,82 @@ 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);
+			}
+		} 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] getSessionId did not return a session id', 6);
+		}
+		// set session id
+		$this->session_id = $session_id;
+		// if flagged auto close, write close session
+		if ($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);
+			$this->startSessionCall();
+			return true;
 		}
-		if (false === ($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 void
+	 */
+	public function setAutoWriteClose(bool $flag): void
+	{
+		$this->auto_write_close = $flag;
+	}
+
+	/**
+	 * return the auto write close flag
+	 *
+	 * @return bool
+	 */
+	public function checkAutoWriteClose(): bool
+	{
+		return $this->auto_write_close;
 	}
 
 	/**
@@ -175,6 +224,19 @@ 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();
+	}
+
+	// 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
@@ -188,6 +250,8 @@ class Session
 		return session_write_close();
 	}
 
+	// MARK: session close and clean up
+
 	/**
 	 * Proper destroy a session
 	 * - unset the _SESSION array
@@ -236,18 +300,20 @@ class Session
 		return session_status();
 	}
 
-	// _SESSION set/unset methods
+	// MARK: _SESSION set/unset methods
 
 	/**
 	 * unset all _SESSION entries
 	 *
 	 * @return void
 	 */
-	public function unsetAllS(): void
+	public function unsetAll(): void
 	{
+		$this->restartSession();
 		foreach (array_keys($_SESSION ?? []) as $name) {
 			unset($_SESSION[$name]);
 		}
+		$this->closeSessionCall();
 	}
 
 	/**
@@ -257,9 +323,11 @@ class Session
 	 * @param  mixed      $value value to set (can be anything)
 	 * @return void
 	 */
-	public function setS(string|int $name, mixed $value): void
+	public function set(string|int $name, mixed $value): void
 	{
+		$this->restartSession();
 		$_SESSION[$name] = $value;
+		$this->closeSessionCall();
 	}
 
 	/**
@@ -268,9 +336,9 @@ class Session
 	 * @param  string|int $name value key to get from _SESSION
 	 * @return mixed            value stored in _SESSION
 	 */
-	public function getS(string|int $name): mixed
+	public function get(string|int $name): mixed
 	{
-		return $_SESSION[$name] ?? '';
+		return $_SESSION[$name] ?? null;
 	}
 
 	/**
@@ -279,7 +347,7 @@ class Session
 	 * @param  string|int $name Name to check for
 	 * @return bool             True for set, False fornot set
 	 */
-	public function issetS(string|int $name): bool
+	public function isset(string|int $name): bool
 	{
 		return isset($_SESSION[$name]);
 	}
@@ -290,14 +358,17 @@ class Session
 	 * @param  string|int $name _SESSION key name to remove
 	 * @return void
 	 */
-	public function unsetS(string|int $name): void
+	public function unset(string|int $name): void
 	{
-		if (isset($_SESSION[$name])) {
-			unset($_SESSION[$name]);
+		if (!isset($_SESSION[$name])) {
+			return;
 		}
+		$this->restartSession();
+		unset($_SESSION[$name]);
+		$this->closeSessionCall();
 	}
 
-	// set/get below
+	// MARK: [DEPRECATED] __set/__get magic methods
 	// ->var = value;
 
 	/**
@@ -306,10 +377,13 @@ class Session
 	 * @param  string|int $name
 	 * @param  mixed      $value
 	 * @return void
+	 * @deprecated use ->set()
 	 */
 	public function __set(string|int $name, mixed $value): void
 	{
+		$this->restartSession();
 		$_SESSION[$name] = $value;
+		$this->closeSessionCall();
 	}
 
 	/**
@@ -317,6 +391,7 @@ class Session
 	 *
 	 * @param  string|int $name
 	 * @return mixed            If name is not found, it will return null
+	 * @deprecated use ->get()
 	 */
 	public function __get(string|int $name): mixed
 	{
@@ -331,6 +406,7 @@ class Session
 	 *
 	 * @param  string|int $name
 	 * @return bool
+	 * @deprecated use ->isset()
 	 */
 	public function __isset(string|int $name): bool
 	{
@@ -342,12 +418,16 @@ class Session
 	 *
 	 * @param  string|int $name
 	 * @return void
+	 * @deprecated use ->unset()
 	 */
 	public function __unset(string|int $name): void
 	{
-		if (isset($_SESSION[$name])) {
-			unset($_SESSION[$name]);
+		if (!isset($_SESSION[$name])) {
+			return;
 		}
+		$this->restartSession();
+		unset($_SESSION[$name]);
+		$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 $uuidv4): bool
+	{
+		if (!preg_match("/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/", $uuidv4)) {
+			return false;
+		}
+		return true;
+	}
+
 	/**
 	 * creates a uniq id based on lengths
 	 *

src/DB/Extended/ArrayIO.php

@@ -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/IO.php

@@ -284,7 +284,8 @@ class IO
 	public const ERROR_HASH_TYPE = 'adler32';
 	/** @var string regex to get returning with matches at position 1 */
 	public const REGEX_RETURNING = '/\s+returning\s+(.+\s*(?:.+\s*)+);?$/i';
-	/** @var array<string> allowed convert target for placeholder: pg or pdo (currently not available) */
+	/** @var array<string> allowed convert target for placeholder:
+	 * pg or pdo (currently not available) */
 	public const DB_CONVERT_PLACEHOLDER_TARGET = ['pg'];
 	// REGEX_SELECT
 	// REGEX_UPDATE
@@ -825,7 +826,6 @@ class IO
 			default:
 				// no context on DB_INFO
 				if ($id == 'DB_INFO') {
-					echo "DB INFO<br>";
 					$context = [];
 				}
 				// used named arguments so we can easy change the order of debug
@@ -915,7 +915,7 @@ class IO
 		if ($cursor !== false) {
 			[$db_prefix, $db_error_string] = $this->db_functions->__dbPrintError($cursor);
 		}
-		if ($cursor === false && method_exists($this->db_functions, '__dbPrintError')) {
+		if ($cursor === false && method_exists($this->db_functions, '__dbPrintError')) { /** @phpstan-ignore-line */
 			[$db_prefix, $db_error_string] = $this->db_functions->__dbPrintError();
 		}
 		// prefix the master if not the same
@@ -1312,33 +1312,14 @@ class IO
 	}
 
 	/**
-	 * count $ leading parameters only
+	 * count placeholder entries in the query
 	 *
 	 * @param  string $query Query to check
 	 * @return int           Number of parameters found
 	 */
 	private function __dbCountQueryParams(string $query): int
 	{
-		$match = [];
-		// 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
-		// /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
-		$query_split = '[(=,?-]|->|->>|#>|#>>|@>|<@|\?\|\?\&|\|\||#-';
-		preg_match_all(
-			'/'
-			. '(?:\'.*?\')?\s*(?:\?\?|<>|' . $query_split . ')\s*'
-			. '(?:\d+|(?:\'.*?\')|(\$[1-9]{1}(?:[0-9]{1,})?))'
-			. '/s',
-			$query,
-			$match
-		);
-		return count(array_unique(array_filter($match[1])));
+		return $this->db_functions->__dbCountQueryParams($query);
 	}
 
 	/**
@@ -1738,7 +1719,7 @@ class IO
 	{
 		if (
 			!empty($this->dbh) &&
-			$this->dbh instanceof \PgSql\Connection
+			$this->dbh instanceof \PgSql\Connection /** @phpstan-ignore-line future could be other */
 		) {
 			// reset any client encodings set
 			$this->dbResetEncoding();
@@ -3161,7 +3142,8 @@ class IO
 				'count' => 0,
 				'query' => '',
 				'result' =>  null,
-				'returning_id' => false
+				'returning_id' => false,
+				'placeholder_converted' => [],
 			];
 			// if this is an insert query, check if we can add a return
 			if ($this->dbCheckQueryForInsert($query, true)) {
@@ -3201,6 +3183,39 @@ class IO
 					$this->prepare_cursor[$stm_name]['pk_name'] = $pk_name;
 				}
 			}
+			// QUERY PARAMS: run query params check and rewrite
+			if ($this->dbGetConvertPlaceholder() === true) {
+				try {
+					$this->placeholder_converted = ConvertPlaceholder::convertPlaceholderInQuery(
+						$query,
+						null,
+						$this->dbGetConvertPlaceholderTarget()
+					);
+					// write the new queries over the old
+					if (!empty($this->placeholder_converted['query'])) {
+						$query = $this->placeholder_converted['query'];
+					}
+					$this->prepare_cursor[$stm_name]['placeholder_converted'] = $this->placeholder_converted;
+				} catch (\OutOfRangeException $e) {
+					$this->__dbError($e->getCode(), context:[
+						'statement_name' => $stm_name,
+						'query' => $query,
+						'location' => 'dbPrepare',
+						'error' => 'OutOfRangeException',
+						'exception' => $e
+					]);
+					return false;
+				} catch (\RuntimeException $e) {
+					$this->__dbError($e->getCode(), context:[
+						'statement_name' => $stm_name,
+						'query' => $query,
+						'location' => 'dbPrepare',
+						'error' => 'RuntimeException',
+						'exception' => $e
+					]);
+					return false;
+				}
+			}
 			// check prepared curser parameter count
 			$this->prepare_cursor[$stm_name]['count'] = $this->__dbCountQueryParams($query);
 			$this->prepare_cursor[$stm_name]['query'] = $query;
@@ -3736,7 +3751,7 @@ class IO
 	}
 
 	/**
-	 * convert db values (set)
+	 * convert db values (set) to php matching types
 	 *
 	 * @param  Convert $convert
 	 * @return void
@@ -3747,7 +3762,7 @@ class IO
 	}
 
 	/**
-	 * unsert convert db values flag
+	 * unsert convert db values flag for converting db to php matching types
 	 *
 	 * @param  Convert $convert
 	 * @return void
@@ -3758,7 +3773,7 @@ class IO
 	}
 
 	/**
-	 * Reset to origincal config file set
+	 * Reset to original config file set for converting db to php matching type
 	 *
 	 * @return void
 	 */
@@ -3770,7 +3785,7 @@ class IO
 	}
 
 	/**
-	 * check if a conert flag is set
+	 * check if a convert flag is set for converting db to php matching type
 	 *
 	 * @param  Convert $convert
 	 * @return bool
@@ -3784,7 +3799,7 @@ class IO
 	}
 
 	/**
-	 * Set if we want to auto convert PDO/\Pg placeholders
+	 * Set if we want to auto convert to PDO/\Pg placeholders
 	 *
 	 * @param  bool $flag
 	 * @return void
@@ -4295,7 +4310,7 @@ class IO
 	 * @param string $stm_name  The name of the stored statement
 	 * @param string $key       Key field name in prepared cursor array
 	 *                          Allowed are: pk_name, count, query, returning_id
-	 * @return null|string|int|bool Entry from each of the valid keys
+	 * @return null|string|int|bool|array<string,mixed> Entry from each of the valid keys
 	 *                          Will return false on error
 	 *                          Not ethat returnin_id also can return false
 	 *                          but will not set an error entry
@@ -4303,7 +4318,7 @@ class IO
 	public function dbGetPrepareCursorValue(
 		string $stm_name,
 		string $key
-	): null|string|int|bool {
+	): null|string|int|bool|array {
 		// if no statement name
 		if (empty($stm_name)) {
 			$this->__dbError(
@@ -4314,7 +4329,7 @@ class IO
 			return false;
 		}
 		// if not a valid key
-		if (!in_array($key, ['pk_name', 'count', 'query', 'returning_id'])) {
+		if (!in_array($key, ['pk_name', 'count', 'query', 'returning_id', 'placeholder_converted'])) {
 			$this->__dbError(
 				102,
 				false,

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 int
+	 */
+	public function __dbCountQueryParams(string $query): int;
 }
 
 // __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');
 	}
+
+	/**
+	 * Count placeholder queries. $ only
+	 *
+	 * @param  string $query
+	 * @return int
+	 */
+	public function __dbCountQueryParams(string $query): int
+	{
+		$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_PLACEHOLDERS,
+			$query,
+			$matches
+		);
+		return count(array_unique(array_filter($matches[3])));
+	}
 }
 
 // __END__

src/DB/Support/ConvertPlaceholder.php

@@ -14,6 +14,67 @@ namespace CoreLibs\DB\Support;
 
 class ConvertPlaceholder
 {
+	/** @var string split regex */
+	private const PATTERN_QUERY_SPLIT = '[(<>=,?-]|->|->>|#>|#>>|@>|<@|\?\|\?\&|\|\||#-';
+	/** @var string the main regex including  the pattern query split */
+	private const PATTERN_ELEMENT = '(?:\'.*?\')?\s*(?:\?\?|' . self::PATTERN_QUERY_SPLIT . ')\s*';
+	/** @var string parts to ignore in the SQL */
+	private const PATTERN_IGNORE =
+		// digit -> ignore
+		'\d+|'
+		// other string -> ignore
+		. '(?:\'.*?\')|';
+	/** @var string named parameters */
+	private const PATTERN_NAMED = '(:\w+)';
+	/** @var string question mark parameters */
+	private const PATTERN_QUESTION_MARK = '(?:(?:\?\?)?\s*(\?{1}))';
+	/** @var string numbered parameters */
+	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_ELEMENT . ')'
+		. '('
+		. self::PATTERN_IGNORE
+		. self::PATTERN_NAMED
+		. ')'
+		. '/s';
+	/** @var string replace regex for question mark (?) entries */
+	public const REGEX_REPLACE_QUESTION_MARK = '/'
+		. '(' . self::PATTERN_ELEMENT . ')'
+		. '('
+		. self::PATTERN_IGNORE
+		. self::PATTERN_QUESTION_MARK
+		. ')'
+		. '/s';
+	/** @var string replace regex for numbered ($n) entries */
+	public const REGEX_REPLACE_NUMBERED = '/'
+		. '(' . self::PATTERN_ELEMENT . ')'
+		. '('
+		. self::PATTERN_IGNORE
+		. self::PATTERN_NUMBERED
+		. ')'
+		. '/s';
+	/** @var string the main lookup query for all placeholders */
+	public const REGEX_LOOKUP_PLACEHOLDERS = '/'
+		// prefix string part, must match towards
+		// seperator for ( = , ? - [and json/jsonb in pg doc section 9.15]
+		. self::PATTERN_ELEMENT
+		// match for replace part
+		. '(?:'
+		// ignore parts
+		. self::PATTERN_IGNORE
+		// :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';
+
 	/**
 	 * Convert PDO type query with placeholders to \PG style and vica versa
 	 * For PDO to: ? and :named
@@ -27,44 +88,24 @@ class ConvertPlaceholder
 	 * 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  ?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>},type:''|'named'|'numbered'|'question_mark',found:int,matches:array<string>,params_lookup:array<mixed>,query:string,params:array<mixed>}
-	 * @throws \OutOfRangeException 200
+	 * @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,
+		?array $params,
 		string $convert_to = 'pg'
 	): array {
 		$convert_to = strtolower($convert_to);
 		$matches = [];
-		$query_split = '[(=,?-]|->|->>|#>|#>>|@>|<@|\?\|\?\&|\|\||#-';
-		$pattern = '/'
-			// prefix string part, must match towards
-			// seperator for ( = , ? - [and json/jsonb in pg doc section 9.15]
-			. '(?:\'.*?\')?\s*(?:\?\?|' . $query_split . ')\s*'
-			// match for replace part
-			. '(?:'
-			// digit -> ignore
-			. '\d+|'
-			// other string -> ignore
-			. '(?:\'.*?\')|'
-			// :name named part (PDO)
-			. '(:\w+)|'
-			// ? question mark part (PDO)
-			. '(?:(?:\?\?)?\s*(\?{1}))|'
-			// $n numbered part (\PG php)
-			. '(\$[1-9]{1}(?:[0-9]{1,})?)'
-			// end match
-			. ')'
-			// single line -> add line break to matches in "."
-			. '/s';
 		// matches:
 		// 1: :named
 		// 2: ? question mark
 		// 3: $n numbered
-		$found = preg_match_all($pattern, $query, $matches, PREG_UNMATCHED_AS_NULL);
+		$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) {
@@ -77,10 +118,10 @@ class ConvertPlaceholder
 		/** @var array<string> 3: $n matches */
 		$numbered_matches = array_filter($matches[3]);
 		// count matches
-		$count_named = count($named_matches);
+		$count_named = count(array_unique($named_matches));
 		$count_qmark = count($qmark_matches);
-		$count_numbered = count($numbered_matches);
-		// throw if mixed
+		$count_numbered = count(array_unique($numbered_matches));
+		// throw exception if mixed found
 		if (
 			($count_named && $count_qmark) ||
 			($count_named && $count_numbered) ||
@@ -88,140 +129,195 @@ class ConvertPlaceholder
 		) {
 			throw new \OutOfRangeException('Cannot have named, question mark and numbered in the same query', 200);
 		}
-		// rebuild
-		$matches_return = [];
-		$type = '';
+		// // throw if invalid conversion
+		// if (($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 = [];
 		$params_lookup = [];
-		if ($count_named && $convert_to == 'pg') {
-			$type = 'named';
-			$matches_return = $named_matches;
-			// only check for :named
-			$pattern_replace = '/'
-				. '((?:\'.*?\')?\s*(?:\?\?|' . $query_split . ')\s*)'
-				. '(\d+|(?:\'.*?\')|(:\w+))'
-				. '/s';
-			// 0: full
-			// 1: pre part
-			// 2: keep part UNLESS '3' is set
-			// 3: replace part :named
-			$pos = 0;
-			$query_new = preg_replace_callback(
-				$pattern_replace,
-				function ($matches) use (&$pos, &$params_new, &$params_lookup, $params) {
-					// only count up if $match[3] is not yet in lookup table
-					if (!empty($matches[3]) && empty($params_lookup[$matches[3]])) {
-						$pos++;
-						$params_lookup[$matches[3]] = '$' . $pos;
-						$params_new[] = $params[$matches[3]] ??
-							throw new \RuntimeException(
-								'Cannot lookup ' . $matches[3] . ' in params list',
-								210
-							);
-					}
-					// add the connectors back (1), and the data sets only if no replacement will be done
-					return $matches[1] . (
-						empty($matches[3]) ?
-							$matches[2] :
-							$params_lookup[$matches[3]] ??
+		// 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':
+				// 0: full
+				// 0: full
+				// 1: pre part
+				// 2: keep part UNLESS '3' is set
+				// 3: 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) {
+						// only count up if $match[3] is not yet in lookup table
+						if (!empty($matches[3]) && empty($params_lookup[$matches[3]])) {
+							$pos++;
+							$params_lookup[$matches[3]] = '$' . $pos;
+							// skip params setup if param list is empty
+							if (!$empty_params) {
+								$params_new[] = $params[$matches[3]] ??
+									throw new \RuntimeException(
+										'Cannot lookup ' . $matches[3] . ' in params list',
+										210
+									);
+							}
+						}
+						// add the connectors back (1), and the data sets only if no replacement will be done
+						return $matches[1] . (
+							empty($matches[3]) ?
+								$matches[2] :
+								$params_lookup[$matches[3]] ??
+									throw new \RuntimeException(
+										'Cannot lookup ' . $matches[3] . ' 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 ?? [];
+				}
+				// 0: full
+				// 1: pre part
+				// 2: keep part UNLESS '3' is set
+				// 3: replace part ?
+				$pos = 0;
+				$query_new = preg_replace_callback(
+					self::REGEX_REPLACE_QUESTION_MARK,
+					function ($matches) use (&$pos, &$params_lookup) {
+						// only count pos up for actual replacements we will do
+						if (!empty($matches[3])) {
+							$pos++;
+							$params_lookup[] = '$' . $pos;
+						}
+						// add the connectors back (1), and the data sets only if no replacement will be done
+						return $matches[1] . (
+							empty($matches[3]) ?
+								$matches[2] :
+								'$' . $pos
+						);
+					},
+					$converted_placeholders['original']['query']
+				);
+				break;
+			case 'numbered':
+				// 0: full
+				// 1: pre part
+				// 2: keep part UNLESS '3' is set
+				// 3: 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) {
+						// only count up if $match[3] is not yet in lookup table
+						if (!empty($matches[3]) && empty($params_lookup[$matches[3]])) {
+							$pos++;
+							$params_lookup[$matches[3]] = ':' . $pos . '_named';
+							// skip params setup if param list is empty
+							if (!$empty_params) {
+								$params_new[] = $params[($pos - 1)] ??
+									throw new \RuntimeException(
+										'Cannot lookup ' . ($pos - 1) . ' in params list',
+										220
+									);
+							}
+						}
+						// add the connectors back (1), and the data sets only if no replacement will be done
+						return $matches[1] . (
+							empty($matches[3]) ?
+								$matches[2] :
+								$params_lookup[$matches[3]] ??
 								throw new \RuntimeException(
 									'Cannot lookup ' . $matches[3] . ' in params lookup list',
-									211
+									221
 								)
-					);
-				},
-				$query
-			);
-		} elseif ($count_qmark && $convert_to == 'pg') {
-			$type = 'question_mark';
-			$matches_return = $qmark_matches;
-			// order and data stays the same
-			$params_new = $params;
-			// only check for ?
-			$pattern_replace = '/'
-				. '((?:\'.*?\')?\s*(?:\?\?|' . $query_split . ')\s*)'
-				. '(\d+|(?:\'.*?\')|(?:(?:\?\?)?\s*(\?{1})))'
-				. '/s';
-			// 0: full
-			// 1: pre part
-			// 2: keep part UNLESS '3' is set
-			// 3: replace part ?
-			$pos = 0;
-			$query_new = preg_replace_callback(
-				$pattern_replace,
-				function ($matches) use (&$pos, &$params_lookup) {
-					// only count pos up for actual replacements we will do
-					if (!empty($matches[3])) {
-						$pos++;
-						$params_lookup[] = '$' . $pos;
-					}
-					// add the connectors back (1), and the data sets only if no replacement will be done
-					return $matches[1] . (
-						empty($matches[3]) ?
-							$matches[2] :
-							'$' . $pos
-					);
-				},
-				$query
-			);
-			// for each ?:DTN: -> replace with $1 ... $n, any remaining :DTN: remove
-		} elseif ($count_numbered && $convert_to == 'pdo') {
-			// convert numbered to named
-			$type = 'numbered';
-			$matches_return = $numbered_matches;
-			// only check for $n
-			$pattern_replace = '/'
-				. '((?:\'.*?\')?\s*(?:\?\?|' . $query_split . ')\s*)'
-				. '(\d+|(?:\'.*?\')|(\$[1-9]{1}(?:[0-9]{1,})?))'
-				. '/s';
-			// 0: full
-			// 1: pre part
-			// 2: keep part UNLESS '3' is set
-			// 3: replace part $numbered
-			$pos = 0;
-			$query_new = preg_replace_callback(
-				$pattern_replace,
-				function ($matches) use (&$pos, &$params_new, &$params_lookup, $params) {
-					// only count up if $match[3] is not yet in lookup table
-					if (!empty($matches[3]) && empty($params_lookup[$matches[3]])) {
-						$pos++;
-						$params_lookup[$matches[3]] = ':' . $pos . '_named';
-						$params_new[] = $params[($pos - 1)] ??
-							throw new \RuntimeException(
-								'Cannot lookup ' . ($pos - 1) . ' in params list',
-								220
-							);
-					}
-					// add the connectors back (1), and the data sets only if no replacement will be done
-					return $matches[1] . (
-						empty($matches[3]) ?
-							$matches[2] :
-							$params_lookup[$matches[3]] ??
-							throw new \RuntimeException(
-								'Cannot lookup ' . $matches[3] . ' in params lookup list',
-								221
-							)
-					);
-				},
-				$query
-			);
+						);
+					},
+					$converted_placeholders['original']['query']
+				);
+				break;
 		}
-		// return, old query is always set
 		return [
-			// original
-			'original' => [
-				'query' => $query,
-				'params' => $params,
-			],
-			// type found, empty if nothing was done
-			'type' => $type,
-			// int: found, not found; -1: problem (set from false)
-			'found' => (int)$found,
-			'matches' => $matches_return,
-			// old to new lookup check
 			'params_lookup' => $params_lookup,
-			// new
 			'query' => $query_new ?? '',
 			'params' => $params_new,
 		];

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/Output/Form/Generate.php

@@ -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());
@@ -1757,14 +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!');
@@ -1787,20 +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;
@@ -1979,24 +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)) {
 			$type = [];
@@ -2230,16 +2215,11 @@ class Generate
 	public function formDeleteTableArray()
 	{
 		// remove any reference arrays
-		if (is_array($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)) {

src/Output/Image.php

@@ -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(
@@ -380,9 +386,7 @@ 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 +403,10 @@ 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);

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/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
@@ -291,22 +263,4 @@ 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($http_headers, '{"code": 401, "content": {"Error": "Not Authorized"}}');
+	exit;
+}
+
+// if server request type is get set file_get to null -> no body
+if ($_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($http_headers, '{"code": 404, "content": {"Error": "file_get_contents failed"}}');
+	exit;
+}
+
+print buildContent($http_headers, $file_get);
+
+// __END__

test/phpunit/ACL/CoreLibsACLLoginTest.php

@@ -243,6 +243,8 @@ final class CoreLibsACLLoginTest extends TestCase
 				[],
 				[
 					'EUID' => 1,
+					'ECUID' => 'abc',
+					'ECUUID' => '1233456-1234-1234-1234-123456789012',
 				],
 				2,
 				[],
@@ -260,6 +262,8 @@ final class CoreLibsACLLoginTest extends TestCase
 				[],
 				[
 					'EUID' => 1,
+					'ECUID' => 'abc',
+					'ECUUID' => '1233456-1234-1234-1234-123456789012',
 					'USER_NAME' => '',
 					'GROUP_NAME' => '',
 					'ADMIN' => 1,
@@ -1085,9 +1089,9 @@ 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 () {
@@ -1788,9 +1792,9 @@ 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 +1906,9 @@ 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 +1994,9 @@ 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 +2090,9 @@ 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/ACL/database/CoreLibsACLLogin_database_create_data.sql

@@ -5,15 +5,15 @@ CREATE FUNCTION random_string(randomLength int)
 RETURNS text AS
 $$
 SELECT array_to_string(
-	ARRAY(
-		SELECT substring(
-			'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',
-			trunc(random() * 62)::int + 1,
-			1
-		)
-		FROM generate_series(1, randomLength) AS gs(x)
-	),
-	''
+    ARRAY(
+        SELECT substring(
+            'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',
+            trunc(random() * 62)::int + 1,
+            1
+        )
+        FROM generate_series(1, randomLength) AS gs(x)
+    ),
+    ''
 )
 $$
 LANGUAGE SQL
@@ -27,15 +27,16 @@ CREATE OR REPLACE FUNCTION set_edit_generic()
 RETURNS TRIGGER AS
 $$
 DECLARE
-	random_length INT = 12; -- that should be long enough
+    random_length INT = 12; -- that should be long enough
 BEGIN
-	IF TG_OP = 'INSERT' THEN
-		NEW.date_created := 'now';
-		NEW.cuid := random_string(random_length);
-	ELSIF TG_OP = 'UPDATE' THEN
-		NEW.date_updated := 'now';
-	END IF;
-	RETURN NEW;
+    IF TG_OP = 'INSERT' THEN
+        NEW.date_created := 'now';
+        NEW.cuid := random_string(random_length);
+        NEW.cuuid := gen_random_uuid();
+    ELSIF TG_OP = 'UPDATE' THEN
+        NEW.date_updated := 'now';
+    END IF;
+    RETURN NEW;
 END;
 $$
 LANGUAGE 'plpgsql';
@@ -46,29 +47,29 @@ LANGUAGE 'plpgsql';
 CREATE OR REPLACE FUNCTION set_edit_access_uid() RETURNS TRIGGER AS
 $$
 DECLARE
-	myrec RECORD;
-	v_uid VARCHAR;
+    myrec RECORD;
+    v_uid VARCHAR;
 BEGIN
-	-- skip if NEW.name is not set
-	IF NEW.name IS NOT NULL AND NEW.name <> '' THEN
-		-- use NEW.name as base, remove all spaces
-		-- name data is already unique, so we do not need to worry about this here
-		v_uid := REPLACE(NEW.name, ' ', '');
-		IF TG_OP = 'INSERT' THEN
-			-- always set
-			NEW.uid := v_uid;
-		ELSIF TG_OP = 'UPDATE' THEN
-			-- check if not set, then set
-			SELECT INTO myrec t.* FROM edit_access t WHERE edit_access_id = NEW.edit_access_id;
-			IF FOUND THEN
-				NEW.uid := v_uid;
-			END IF;
-		END IF;
-	END IF;
-	RETURN NEW;
+    -- skip if NEW.name is not set
+    IF NEW.name IS NOT NULL AND NEW.name <> '' THEN
+        -- use NEW.name as base, remove all spaces
+        -- name data is already unique, so we do not need to worry about this here
+        v_uid := REPLACE(NEW.name, ' ', '');
+        IF TG_OP = 'INSERT' THEN
+            -- always set
+            NEW.uid := v_uid;
+        ELSIF TG_OP = 'UPDATE' THEN
+            -- check if not set, then set
+            SELECT INTO myrec t.* FROM edit_access t WHERE edit_access_id = NEW.edit_access_id;
+            IF FOUND THEN
+                NEW.uid := v_uid;
+            END IF;
+        END IF;
+    END IF;
+    RETURN NEW;
 END;
 $$
-	LANGUAGE 'plpgsql';
+    LANGUAGE 'plpgsql';
 -- END: function/edit_access_set_uid.sql
 -- START: function/edit_group_set_uid.sql
 -- add uid add for edit_group table
@@ -76,29 +77,29 @@ $$
 CREATE OR REPLACE FUNCTION set_edit_group_uid() RETURNS TRIGGER AS
 $$
 DECLARE
-	myrec RECORD;
-	v_uid VARCHAR;
+    myrec RECORD;
+    v_uid VARCHAR;
 BEGIN
-	-- skip if NEW.name is not set
-	IF NEW.name IS NOT NULL AND NEW.name <> '' THEN
-		-- use NEW.name as base, remove all spaces
-		-- name data is already unique, so we do not need to worry about this here
-		v_uid := REPLACE(NEW.name, ' ', '');
-		IF TG_OP = 'INSERT' THEN
-			-- always set
-			NEW.uid := v_uid;
-		ELSIF TG_OP = 'UPDATE' THEN
-			-- check if not set, then set
-			SELECT INTO myrec t.* FROM edit_group t WHERE edit_group_id = NEW.edit_group_id;
-			IF FOUND THEN
-				NEW.uid := v_uid;
-			END IF;
-		END IF;
-	END IF;
-	RETURN NEW;
+    -- skip if NEW.name is not set
+    IF NEW.name IS NOT NULL AND NEW.name <> '' THEN
+        -- use NEW.name as base, remove all spaces
+        -- name data is already unique, so we do not need to worry about this here
+        v_uid := REPLACE(NEW.name, ' ', '');
+        IF TG_OP = 'INSERT' THEN
+            -- always set
+            NEW.uid := v_uid;
+        ELSIF TG_OP = 'UPDATE' THEN
+            -- check if not set, then set
+            SELECT INTO myrec t.* FROM edit_group t WHERE edit_group_id = NEW.edit_group_id;
+            IF FOUND THEN
+                NEW.uid := v_uid;
+            END IF;
+        END IF;
+    END IF;
+    RETURN NEW;
 END;
 $$
-	LANGUAGE 'plpgsql';
+    LANGUAGE 'plpgsql';
 -- END: function/edit_group_set_uid.sql
 -- START: function/edit_log_partition_insert.sql
 -- AUTHOR: Clemens Schwaighofer
@@ -112,142 +113,142 @@ CREATE OR REPLACE FUNCTION edit_log_insert_trigger ()
 RETURNS TRIGGER AS
 $$
 DECLARE
-	start_date DATE := '2010-01-01';
-	end_date DATE;
-	timeformat TEXT := 'YYYY';
-	selector TEXT := 'year';
-	base_table TEXT := 'edit_log';
-	_interval INTERVAL := '1 ' || selector;
-	_interval_next INTERVAL := '2 ' || selector;
-	table_name TEXT;
-	-- compare date column
-	compare_date DATE := NEW.event_date;
-	compare_date_name TEXT := 'event_date';
-	-- the create commands
-	command_create_table TEXT := 'CREATE TABLE IF NOT EXISTS {TABLE_NAME} (CHECK({COMPARE_DATE_NAME} >= {START_DATE} AND {COMPARE_DATE_NAME} < {END_DATE})) INHERITS ({BASE_NAME})';
-	command_create_primary_key TEXT := 'ALTER TABLE {TABLE_NAME} ADD PRIMARY KEY ({BASE_TABLE}_id)';
-	command_create_foreign_key_1 TEXT := 'ALTER TABLE {TABLE_NAME} ADD CONSTRAINT {TABLE_NAME}_euid_fkey FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE SET NULL';
-	command_create_trigger_1 TEXT = 'CREATE TRIGGER trg_{TABLE_NAME} BEFORE INSERT OR UPDATE ON {TABLE_NAME} FOR EACH ROW EXECUTE PROCEDURE set_edit_generic()';
+    start_date DATE := '2010-01-01';
+    end_date DATE;
+    timeformat TEXT := 'YYYY';
+    selector TEXT := 'year';
+    base_table TEXT := 'edit_log';
+    _interval INTERVAL := '1 ' || selector;
+    _interval_next INTERVAL := '2 ' || selector;
+    table_name TEXT;
+    -- compare date column
+    compare_date DATE := NEW.event_date;
+    compare_date_name TEXT := 'event_date';
+    -- the create commands
+    command_create_table TEXT := 'CREATE TABLE IF NOT EXISTS {TABLE_NAME} (CHECK({COMPARE_DATE_NAME} >= {START_DATE} AND {COMPARE_DATE_NAME} < {END_DATE})) INHERITS ({BASE_NAME})';
+    command_create_primary_key TEXT := 'ALTER TABLE {TABLE_NAME} ADD PRIMARY KEY ({BASE_TABLE}_id)';
+    command_create_foreign_key_1 TEXT := 'ALTER TABLE {TABLE_NAME} ADD CONSTRAINT {TABLE_NAME}_euid_fkey FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE SET NULL';
+    command_create_trigger_1 TEXT = 'CREATE TRIGGER trg_{TABLE_NAME} BEFORE INSERT OR UPDATE ON {TABLE_NAME} FOR EACH ROW EXECUTE PROCEDURE set_edit_generic()';
 BEGIN
-	-- we are in valid start time area
-	IF (NEW.event_date >= start_date) THEN
-		-- current table name
-		table_name := base_table || '_' || to_char(NEW.event_date, timeformat);
-		BEGIN
-			EXECUTE 'INSERT INTO ' || quote_ident(table_name) || ' SELECT ($1).*' USING NEW;
-		-- if insert failed because of missing table, create new below
-		EXCEPTION
-		WHEN undefined_table THEN
-			-- another block, so in case the creation fails here too
-			BEGIN
-				-- create new table here + all indexes
-				start_date := date_trunc(selector, NEW.event_date);
-				end_date := date_trunc(selector, NEW.event_date + _interval);
-				-- creat table
-				EXECUTE format(REPLACE( -- end date
-					REPLACE( -- start date
-						REPLACE( -- compare date name
-							REPLACE( -- base name (inherit)
-								REPLACE( -- table name
-									command_create_table,
-									'{TABLE_NAME}',
-									table_name
-								),
-								'{BASE_NAME}',
-								base_table
-							),
-							'{COMPARE_DATE_NAME}',
-							compare_date_name
-						),
-						'{START_DATE}',
-						quote_literal(start_date)
-					),
-					'{END_DATE}',
-					quote_literal(end_date)
-				));
-				-- create all indexes and triggers
-				EXECUTE format(REPLACE(
-					REPLACE(
-						command_create_primary_key,
-						'{TABLE_NAME}',
-						table_name
-					),
-					'{BASE_TABLE}',
-					base_table
-				));
-				-- FK constraints
-				EXECUTE format(REPLACE(command_create_foreign_key_1, '{TABLE_NAME}', table_name));
-				-- generic trigger
-				EXECUTE format(REPLACE(command_create_trigger_1, '{TABLE_NAME}', table_name));
+    -- we are in valid start time area
+    IF (NEW.event_date >= start_date) THEN
+        -- current table name
+        table_name := base_table || '_' || to_char(NEW.event_date, timeformat);
+        BEGIN
+            EXECUTE 'INSERT INTO ' || quote_ident(table_name) || ' SELECT ($1).*' USING NEW;
+        -- if insert failed because of missing table, create new below
+        EXCEPTION
+        WHEN undefined_table THEN
+            -- another block, so in case the creation fails here too
+            BEGIN
+                -- create new table here + all indexes
+                start_date := date_trunc(selector, NEW.event_date);
+                end_date := date_trunc(selector, NEW.event_date + _interval);
+                -- creat table
+                EXECUTE format(REPLACE( -- end date
+                    REPLACE( -- start date
+                        REPLACE( -- compare date name
+                            REPLACE( -- base name (inherit)
+                                REPLACE( -- table name
+                                    command_create_table,
+                                    '{TABLE_NAME}',
+                                    table_name
+                                ),
+                                '{BASE_NAME}',
+                                base_table
+                            ),
+                            '{COMPARE_DATE_NAME}',
+                            compare_date_name
+                        ),
+                        '{START_DATE}',
+                        quote_literal(start_date)
+                    ),
+                    '{END_DATE}',
+                    quote_literal(end_date)
+                ));
+                -- create all indexes and triggers
+                EXECUTE format(REPLACE(
+                    REPLACE(
+                        command_create_primary_key,
+                        '{TABLE_NAME}',
+                        table_name
+                    ),
+                    '{BASE_TABLE}',
+                    base_table
+                ));
+                -- FK constraints
+                EXECUTE format(REPLACE(command_create_foreign_key_1, '{TABLE_NAME}', table_name));
+                -- generic trigger
+                EXECUTE format(REPLACE(command_create_trigger_1, '{TABLE_NAME}', table_name));
 
-				-- insert try again
-				EXECUTE 'INSERT INTO ' || quote_ident(table_name) || ' SELECT ($1).*' USING NEW;
-			EXCEPTION
-			WHEN OTHERS THEN
-				-- if this faled, throw it into the overflow table (so we don't loose anything)
-				INSERT INTO edit_log_overflow VALUES (NEW.*);
-			END;
-		-- other errors, insert into overlow
-		WHEN OTHERS THEN
-			-- if this faled, throw it into the overflow table (so we don't loose anything)
-			INSERT INTO edit_log_overflow VALUES (NEW.*);
-		END;
-		-- main insert run done, check if we have to create next months table
-		BEGIN
-			-- check if next month table exists
-			table_name := base_table || '_' || to_char((SELECT NEW.event_date + _interval)::DATE, timeformat);
-			-- RAISE NOTICE 'SEARCH NEXT: %', table_name;
-			IF  (SELECT to_regclass(table_name)) IS NULL THEN
-				-- move inner interval same
-				start_date := date_trunc(selector, NEW.event_date + _interval);
-				end_date := date_trunc(selector, NEW.event_date + _interval_next);
-				-- RAISE NOTICE 'CREATE NEXT: %', table_name;
-				-- create table
-				EXECUTE format(REPLACE( -- end date
-					REPLACE( -- start date
-						REPLACE( -- compare date name
-							REPLACE( -- base name (inherit)
-								REPLACE( -- table name
-									command_create_table,
-									'{TABLE_NAME}',
-									table_name
-								),
-								'{BASE_NAME}',
-								base_table
-							),
-							'{COMPARE_DATE_NAME}',
-							compare_date_name
-						),
-						'{START_DATE}',
-						quote_literal(start_date)
-					),
-					'{END_DATE}',
-					quote_literal(end_date)
-				));
-				-- create all indexes and triggers
-				EXECUTE format(REPLACE(
-					REPLACE(
-						command_create_primary_key,
-						'{TABLE_NAME}',
-						table_name
-					),
-					'{BASE_TABLE}',
-					base_table
-				));
-				-- FK constraints
-				EXECUTE format(REPLACE(command_create_foreign_key_1, '{TABLE_NAME}', table_name));
-				-- generic trigger
-				EXECUTE format(REPLACE(command_create_trigger_1, '{TABLE_NAME}', table_name));
-			END IF;
-		EXCEPTION
-		WHEN OTHERS THEN
-			RAISE NOTICE 'Failed to create next table: %', table_name;
-		END;
-	ELSE
-		-- if outside valid date, insert into overflow
-		INSERT INTO edit_log_overflow VALUES (NEW.*);
-	END IF;
-	RETURN NULL;
+                -- insert try again
+                EXECUTE 'INSERT INTO ' || quote_ident(table_name) || ' SELECT ($1).*' USING NEW;
+            EXCEPTION
+            WHEN OTHERS THEN
+                -- if this faled, throw it into the overflow table (so we don't loose anything)
+                INSERT INTO edit_log_overflow VALUES (NEW.*);
+            END;
+        -- other errors, insert into overlow
+        WHEN OTHERS THEN
+            -- if this faled, throw it into the overflow table (so we don't loose anything)
+            INSERT INTO edit_log_overflow VALUES (NEW.*);
+        END;
+        -- main insert run done, check if we have to create next months table
+        BEGIN
+            -- check if next month table exists
+            table_name := base_table || '_' || to_char((SELECT NEW.event_date + _interval)::DATE, timeformat);
+            -- RAISE NOTICE 'SEARCH NEXT: %', table_name;
+            IF  (SELECT to_regclass(table_name)) IS NULL THEN
+                -- move inner interval same
+                start_date := date_trunc(selector, NEW.event_date + _interval);
+                end_date := date_trunc(selector, NEW.event_date + _interval_next);
+                -- RAISE NOTICE 'CREATE NEXT: %', table_name;
+                -- create table
+                EXECUTE format(REPLACE( -- end date
+                    REPLACE( -- start date
+                        REPLACE( -- compare date name
+                            REPLACE( -- base name (inherit)
+                                REPLACE( -- table name
+                                    command_create_table,
+                                    '{TABLE_NAME}',
+                                    table_name
+                                ),
+                                '{BASE_NAME}',
+                                base_table
+                            ),
+                            '{COMPARE_DATE_NAME}',
+                            compare_date_name
+                        ),
+                        '{START_DATE}',
+                        quote_literal(start_date)
+                    ),
+                    '{END_DATE}',
+                    quote_literal(end_date)
+                ));
+                -- create all indexes and triggers
+                EXECUTE format(REPLACE(
+                    REPLACE(
+                        command_create_primary_key,
+                        '{TABLE_NAME}',
+                        table_name
+                    ),
+                    '{BASE_TABLE}',
+                    base_table
+                ));
+                -- FK constraints
+                EXECUTE format(REPLACE(command_create_foreign_key_1, '{TABLE_NAME}', table_name));
+                -- generic trigger
+                EXECUTE format(REPLACE(command_create_trigger_1, '{TABLE_NAME}', table_name));
+            END IF;
+        EXCEPTION
+        WHEN OTHERS THEN
+            RAISE NOTICE 'Failed to create next table: %', table_name;
+        END;
+    ELSE
+        -- if outside valid date, insert into overflow
+        INSERT INTO edit_log_overflow VALUES (NEW.*);
+    END IF;
+    RETURN NULL;
 END
 $$
 LANGUAGE 'plpgsql';
@@ -260,22 +261,22 @@ CREATE OR REPLACE FUNCTION set_login_user_id_set_date()
 RETURNS TRIGGER AS
 $$
 BEGIN
-	-- if new is not null/empty
-	-- and old one is null or old one different new one
-	-- set NOW()
-	-- if new one is NULL
-	-- set NULL
-	IF
-		NEW.login_user_id IS NOT NULL AND NEW.login_user_id <> '' AND
-		(OLD.login_user_id IS NULL OR NEW.login_user_id <> OLD.login_user_id)
-	THEN
-		NEW.login_user_id_set_date = NOW();
-		NEW.login_user_id_last_revalidate = NOW();
-	ELSIF NEW.login_user_id IS NULL OR NEW.login_user_id = '' THEN
-		NEW.login_user_id_set_date = NULL;
-		NEW.login_user_id_last_revalidate = NULL;
-	END IF;
-	RETURN NEW;
+    -- if new is not null/empty
+    -- and old one is null or old one different new one
+    -- set NOW()
+    -- if new one is NULL
+    -- set NULL
+    IF
+        NEW.login_user_id IS NOT NULL AND NEW.login_user_id <> '' AND
+        (OLD.login_user_id IS NULL OR NEW.login_user_id <> OLD.login_user_id)
+    THEN
+        NEW.login_user_id_set_date = NOW();
+        NEW.login_user_id_last_revalidate = NOW();
+    ELSIF NEW.login_user_id IS NULL OR NEW.login_user_id = '' THEN
+        NEW.login_user_id_set_date = NULL;
+        NEW.login_user_id_last_revalidate = NULL;
+    END IF;
+    RETURN NEW;
 END;
 $$
 LANGUAGE 'plpgsql';
@@ -290,8 +291,8 @@ LANGUAGE 'plpgsql';
 
 -- DROP TABLE temp_files;
 CREATE TABLE temp_files (
-	filename	VARCHAR,
-	folder	VARCHAR
+    filename VARCHAR,
+    folder VARCHAR
 );
 -- END: table/edit_temp_files.sql
 -- START: table/edit_generic.sql
@@ -304,9 +305,10 @@ CREATE TABLE temp_files (
 
 -- DROP TABLE edit_generic;
 CREATE TABLE edit_generic (
-	cuid	VARCHAR,
-	date_created	TIMESTAMP WITHOUT TIME ZONE DEFAULT clock_timestamp(),
-	date_updated	TIMESTAMP WITHOUT TIME ZONE
+    cuid VARCHAR,
+    cuuid UUID,
+    date_created TIMESTAMP WITHOUT TIME ZONE DEFAULT clock_timestamp(),
+    date_updated TIMESTAMP WITHOUT TIME ZONE
 );
 -- END: table/edit_generic.sql
 -- START: table/edit_visible_group.sql
@@ -319,9 +321,9 @@ CREATE TABLE edit_generic (
 
 -- DROP TABLE edit_visible_group;
 CREATE TABLE edit_visible_group (
-	edit_visible_group_id	SERIAL PRIMARY KEY,
-	name	VARCHAR,
-	flag	VARCHAR
+    edit_visible_group_id SERIAL PRIMARY KEY,
+    name VARCHAR,
+    flag VARCHAR
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_visible_group.sql
 -- START: table/edit_menu_group.sql
@@ -334,10 +336,10 @@ CREATE TABLE edit_visible_group (
 
 -- DROP TABLE edit_menu_group;
 CREATE TABLE edit_menu_group (
-	edit_menu_group_id	SERIAL PRIMARY KEY,
-	name	VARCHAR,
-	flag	VARCHAR,
-	order_number	INT NOT NULL
+    edit_menu_group_id SERIAL PRIMARY KEY,
+    name VARCHAR,
+    flag VARCHAR,
+    order_number INT NOT NULL
 ) INHERITS (edit_generic) WITHOUT OIDS;
 
 
@@ -352,18 +354,18 @@ CREATE TABLE edit_menu_group (
 
 -- DROP TABLE edit_page;
 CREATE TABLE edit_page (
-	edit_page_id	SERIAL PRIMARY KEY,
-	content_alias_edit_page_id	INT, -- alias for page content, if the page content is defined on a different page, ege for ajax backend pages
-	FOREIGN KEY (content_alias_edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE RESTRICT ON UPDATE CASCADE,
-	filename	VARCHAR,
-	name	VARCHAR UNIQUE,
-	order_number INT NOT NULL,
-	online	SMALLINT NOT NULL DEFAULT 0,
-	menu	SMALLINT NOT NULL DEFAULT 0,
-	popup	SMALLINT NOT NULL DEFAULT 0,
-	popup_x	SMALLINT,
-	popup_y SMALLINT,
-	hostname	VARCHAR
+    edit_page_id SERIAL PRIMARY KEY,
+    content_alias_edit_page_id	INT, -- alias for page content, if the page content is defined on a different page, ege for ajax backend pages
+    FOREIGN KEY (content_alias_edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE RESTRICT ON UPDATE CASCADE,
+    filename VARCHAR,
+    name VARCHAR UNIQUE,
+    order_number INT NOT NULL,
+    online SMALLINT NOT NULL DEFAULT 0,
+    menu SMALLINT NOT NULL DEFAULT 0,
+    popup SMALLINT NOT NULL DEFAULT 0,
+    popup_x SMALLINT,
+    popup_y SMALLINT,
+    hostname VARCHAR
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_page.sql
 -- START: table/edit_query_string.sql
@@ -376,13 +378,13 @@ CREATE TABLE edit_page (
 
 -- DROP TABLE edit_query_string;
 CREATE TABLE edit_query_string (
-	edit_query_string_id	SERIAL PRIMARY KEY,
-	edit_page_id	INT NOT NULL,
-	FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	enabled	SMALLINT NOT NULL DEFAULT 0,
-	name	VARCHAR,
-	value	VARCHAR,
-	dynamic	SMALLINT NOT NULL DEFAULT 0
+    edit_query_string_id SERIAL PRIMARY KEY,
+    edit_page_id INT NOT NULL,
+    FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    enabled SMALLINT NOT NULL DEFAULT 0,
+    name VARCHAR,
+    value VARCHAR,
+    dynamic SMALLINT NOT NULL DEFAULT 0
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_query_string.sql
 -- START: table/edit_page_visible_group.sql
@@ -395,10 +397,10 @@ CREATE TABLE edit_query_string (
 
 -- DROP TABLE edit_page_visible_group;
 CREATE TABLE edit_page_visible_group (
-	edit_page_id INT NOT NULL,
-	FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_visible_group_id INT NOT NULL,
-	FOREIGN KEY (edit_visible_group_id) REFERENCES edit_visible_group (edit_visible_group_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE
+    edit_page_id INT NOT NULL,
+    FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_visible_group_id INT NOT NULL,
+    FOREIGN KEY (edit_visible_group_id) REFERENCES edit_visible_group (edit_visible_group_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE
 );
 -- END: table/edit_page_visible_group.sql
 -- START: table/edit_page_menu_group.sql
@@ -411,10 +413,10 @@ CREATE TABLE edit_page_visible_group (
 
 -- DROP TABLE edit_page_menu_group;
 CREATE TABLE edit_page_menu_group (
-	edit_page_id INT NOT NULL,
-	FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_menu_group_id INT NOT NULL,
-	FOREIGN KEY (edit_menu_group_id) REFERENCES edit_menu_group (edit_menu_group_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE
+    edit_page_id INT NOT NULL,
+    FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_menu_group_id INT NOT NULL,
+    FOREIGN KEY (edit_menu_group_id) REFERENCES edit_menu_group (edit_menu_group_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE
 );
 -- END: table/edit_page_menu_group.sql
 -- START: table/edit_access_right.sql
@@ -428,11 +430,11 @@ CREATE TABLE edit_page_menu_group (
 
 -- DROP TABLE edit_access_right;
 CREATE TABLE edit_access_right (
-	edit_access_right_id SERIAL PRIMARY KEY,
-	name VARCHAR,
-	level SMALLINT,
-	type VARCHAR,
-	UNIQUE (level,type)
+    edit_access_right_id SERIAL PRIMARY KEY,
+    name VARCHAR,
+    level SMALLINT,
+    type VARCHAR,
+    UNIQUE (level,type)
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_access_right.sql
 -- START: table/edit_scheme.sql
@@ -445,12 +447,12 @@ CREATE TABLE edit_access_right (
 
 -- DROP TABLE edit_scheme;
 CREATE TABLE edit_scheme (
-	edit_scheme_id	SERIAL PRIMARY KEY,
-	enabled	SMALLINT NOT NULL DEFAULT 0,
-	name	VARCHAR,
-	header_color	VARCHAR,
-	css_file	VARCHAR,
-	template	VARCHAR
+    edit_scheme_id SERIAL PRIMARY KEY,
+    enabled SMALLINT NOT NULL DEFAULT 0,
+    name VARCHAR,
+    header_color VARCHAR,
+    css_file VARCHAR,
+    template VARCHAR
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_scheme.sql
 -- START: table/edit_language.sql
@@ -464,13 +466,13 @@ CREATE TABLE edit_scheme (
 
 -- DROP TABLE edit_language;
 CREATE TABLE edit_language (
-	edit_language_id SERIAL PRIMARY KEY,
-	enabled SMALLINT NOT NULL DEFAULT 0,
-	lang_default SMALLINT NOT NULL DEFAULT 0,
-	long_name VARCHAR,
-	short_name VARCHAR, -- en_US, en or en_US@latin without encoding
-	iso_name VARCHAR, -- should actually be encoding
-	order_number INT
+    edit_language_id SERIAL PRIMARY KEY,
+    enabled SMALLINT NOT NULL DEFAULT 0,
+    lang_default SMALLINT NOT NULL DEFAULT 0,
+    long_name VARCHAR,
+    short_name VARCHAR, -- en_US, en or en_US@latin without encoding
+    iso_name VARCHAR, -- should actually be encoding
+    order_number INT
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_language.sql
 -- START: table/edit_group.sql
@@ -483,16 +485,16 @@ CREATE TABLE edit_language (
 
 -- DROP TABLE edit_group;
 CREATE TABLE edit_group (
-	edit_group_id	SERIAL PRIMARY KEY,
-	edit_scheme_id INT,
-	FOREIGN KEY (edit_scheme_id) REFERENCES edit_scheme (edit_scheme_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_access_right_id INT NOT NULL,
-	FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	enabled	SMALLINT NOT NULL DEFAULT 0,
-	deleted	SMALLINT DEFAULT 0,
-	uid	VARCHAR,
-	name	VARCHAR,
-	additional_acl	JSONB
+    edit_group_id SERIAL PRIMARY KEY,
+    edit_scheme_id INT,
+    FOREIGN KEY (edit_scheme_id) REFERENCES edit_scheme (edit_scheme_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_access_right_id INT NOT NULL,
+    FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    enabled SMALLINT NOT NULL DEFAULT 0,
+    deleted SMALLINT DEFAULT 0,
+    uid VARCHAR,
+    name VARCHAR,
+    additional_acl JSONB
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_group.sql
 -- START: table/edit_page_access.sql
@@ -505,14 +507,14 @@ CREATE TABLE edit_group (
 
 -- DROP TABLE edit_page_access;
 CREATE TABLE edit_page_access (
-	edit_page_access_id	SERIAL PRIMARY KEY,
-	edit_group_id	INT NOT NULL,
-	FOREIGN KEY (edit_group_id) REFERENCES edit_group (edit_group_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_page_id	INT NOT NULL,
-	FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_access_right_id	INT NOT NULL,
-	FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	enabled	SMALLINT NOT NULL DEFAULT 0
+    edit_page_access_id SERIAL PRIMARY KEY,
+    edit_group_id INT NOT NULL,
+    FOREIGN KEY (edit_group_id) REFERENCES edit_group (edit_group_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_page_id INT NOT NULL,
+    FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_access_right_id INT NOT NULL,
+    FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    enabled SMALLINT NOT NULL DEFAULT 0
 ) INHERITS (edit_generic) WITHOUT OIDS;
 
 
@@ -528,15 +530,15 @@ CREATE TABLE edit_page_access (
 
 -- DROP TABLE edit_page_content;
 CREATE TABLE edit_page_content (
-	edit_page_content_id	SERIAL PRIMARY KEY,
-	edit_page_id	INT NOT NULL,
-	FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_access_right_id	INT NOT NULL,
-	FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	uid	VARCHAR UNIQUE,
-	name	VARCHAR,
-	order_number INT NOT NULL,
-	online	SMALLINT NOT NULL DEFAULT 0
+    edit_page_content_id SERIAL PRIMARY KEY,
+    edit_page_id INT NOT NULL,
+    FOREIGN KEY (edit_page_id) REFERENCES edit_page (edit_page_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_access_right_id INT NOT NULL,
+    FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    uid VARCHAR UNIQUE,
+    name VARCHAR,
+    order_number INT NOT NULL,
+    online SMALLINT NOT NULL DEFAULT 0
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_page_content.sql
 -- START: table/edit_user.sql
@@ -549,63 +551,63 @@ CREATE TABLE edit_page_content (
 
 -- DROP TABLE edit_user;
 CREATE TABLE edit_user (
-	edit_user_id	SERIAL PRIMARY KEY,
-	connect_edit_user_id	INT, -- possible reference to other user
-	FOREIGN KEY (connect_edit_user_id) REFERENCES edit_user (edit_user_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_language_id INT NOT NULL,
-	FOREIGN KEY (edit_language_id) REFERENCES edit_language (edit_language_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_group_id INT NOT NULL,
-	FOREIGN KEY (edit_group_id) REFERENCES edit_group (edit_group_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_scheme_id INT,
-	FOREIGN KEY (edit_scheme_id) REFERENCES edit_scheme (edit_scheme_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_access_right_id INT NOT NULL,
-	FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	-- username/password
-	username	VARCHAR UNIQUE,
-	password	VARCHAR,
-	-- name block
-	first_name	VARCHAR,
-	last_name	VARCHAR,
-	first_name_furigana	VARCHAR,
-	last_name_furigana	VARCHAR,
-	-- email
-	email	VARCHAR,
-	-- eanbled/deleted flag
-	enabled	SMALLINT NOT NULL DEFAULT 0,
-	deleted	SMALLINT NOT NULL DEFAULT 0,
-	-- general flags
-	strict	SMALLINT DEFAULT 0,
-	locked	SMALLINT DEFAULT 0,
-	protected SMALLINT NOT NULL DEFAULT 0,
-	-- legacy, debug flags
-	debug	SMALLINT NOT NULL DEFAULT 0,
-	db_debug	SMALLINT NOT NULL DEFAULT 0,
-	-- is admin user
-	admin	SMALLINT NOT NULL DEFAULT 0,
-	-- last login log
-	last_login	TIMESTAMP WITHOUT TIME ZONE,
-	-- login error
-	login_error_count	INT DEFAULT 0,
-	login_error_date_last	TIMESTAMP WITHOUT TIME ZONE,
-	login_error_date_first	TIMESTAMP WITHOUT TIME ZONE,
-	-- time locked
-	lock_until	TIMESTAMP WITHOUT TIME ZONE,
-	lock_after	TIMESTAMP WITHOUT TIME ZONE,
-	-- password change
-	password_change_date	TIMESTAMP WITHOUT TIME ZONE, -- only when password is first set or changed
-	password_change_interval	INTERVAL, -- null if no change is needed, or d/m/y time interval
-	password_reset_time	TIMESTAMP WITHOUT TIME ZONE, -- when the password reset was requested
-	password_reset_uid	VARCHAR, -- the uid to access the password reset page
-	-- _GET login id for direct login
-	login_user_id	VARCHAR UNIQUE, -- the loginUserId, at least 32 chars
-	login_user_id_set_date	TIMESTAMP WITHOUT TIME ZONE, -- when above uid was set
-	login_user_id_last_revalidate	TIMESTAMP WITHOUT TIME ZONE, -- when the last login was done with user name and password
-	login_user_id_valid_from	TIMESTAMP WITHOUT TIME ZONE, -- if set, from when the above uid is valid
-	login_user_id_valid_until	TIMESTAMP WITHOUT TIME ZONE, -- if set, until when the above uid is valid
-	login_user_id_revalidate_after	INTERVAL, -- user must login to revalidated loginUserId after set days, 0 for forever
-	login_user_id_locked	SMALLINT DEFAULT 0, -- lock for loginUserId, but still allow normal login
-	-- additional ACL json block
-	additional_acl	JSONB -- additional ACL as JSON string (can be set by other pages)
+    edit_user_id SERIAL PRIMARY KEY,
+    connect_edit_user_id INT, -- possible reference to other user
+    FOREIGN KEY (connect_edit_user_id) REFERENCES edit_user (edit_user_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_language_id INT NOT NULL,
+    FOREIGN KEY (edit_language_id) REFERENCES edit_language (edit_language_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_group_id INT NOT NULL,
+    FOREIGN KEY (edit_group_id) REFERENCES edit_group (edit_group_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_scheme_id INT,
+    FOREIGN KEY (edit_scheme_id) REFERENCES edit_scheme (edit_scheme_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_access_right_id INT NOT NULL,
+    FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    -- username/password
+    username VARCHAR UNIQUE,
+    password VARCHAR,
+    -- name block
+    first_name VARCHAR,
+    last_name VARCHAR,
+    first_name_furigana VARCHAR,
+    last_name_furigana VARCHAR,
+    -- email
+    email VARCHAR,
+    -- eanbled/deleted flag
+    enabled SMALLINT NOT NULL DEFAULT 0,
+    deleted SMALLINT NOT NULL DEFAULT 0,
+    -- general flags
+    strict SMALLINT DEFAULT 0,
+    locked SMALLINT DEFAULT 0,
+    protected SMALLINT NOT NULL DEFAULT 0,
+    -- legacy, debug flags
+    debug SMALLINT NOT NULL DEFAULT 0,
+    db_debug SMALLINT NOT NULL DEFAULT 0,
+    -- is admin user
+    admin SMALLINT NOT NULL DEFAULT 0,
+    -- last login log
+    last_login TIMESTAMP WITHOUT TIME ZONE,
+    -- login error
+    login_error_count INT DEFAULT 0,
+    login_error_date_last TIMESTAMP WITHOUT TIME ZONE,
+    login_error_date_first TIMESTAMP WITHOUT TIME ZONE,
+    -- time locked
+    lock_until TIMESTAMP WITHOUT TIME ZONE,
+    lock_after TIMESTAMP WITHOUT TIME ZONE,
+    -- password change
+    password_change_date TIMESTAMP WITHOUT TIME ZONE, -- only when password is first set or changed
+    password_change_interval INTERVAL, -- null if no change is needed, or d/m/y time interval
+    password_reset_time TIMESTAMP WITHOUT TIME ZONE, -- when the password reset was requested
+    password_reset_uid VARCHAR, -- the uid to access the password reset page
+    -- _GET login id for direct login
+    login_user_id VARCHAR UNIQUE, -- the loginUserId, at least 32 chars
+    login_user_id_set_date TIMESTAMP WITHOUT TIME ZONE, -- when above uid was set
+    login_user_id_last_revalidate TIMESTAMP WITHOUT TIME ZONE, -- when the last login was done with user name and password
+    login_user_id_valid_from TIMESTAMP WITHOUT TIME ZONE, -- if set, from when the above uid is valid
+    login_user_id_valid_until TIMESTAMP WITHOUT TIME ZONE, -- if set, until when the above uid is valid
+    login_user_id_revalidate_after INTERVAL, -- user must login to revalidated loginUserId after set days, 0 for forever
+    login_user_id_locked SMALLINT DEFAULT 0, -- lock for loginUserId, but still allow normal login
+    -- additional ACL json block
+    additional_acl JSONB -- additional ACL as JSON string (can be set by other pages)
 ) INHERITS (edit_generic) WITHOUT OIDS;
 
 -- create unique index
@@ -650,37 +652,40 @@ COMMENT ON COLUMN edit_user.additional_acl IS 'Additional Access Control List st
 
 -- DROP TABLE edit_log;
 CREATE TABLE edit_log (
-	edit_log_id	SERIAL PRIMARY KEY,
-	euid	INT, -- this is a foreign key, but I don't nedd to reference to it
-	FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE SET NULL,
-	username	VARCHAR,
-	password	VARCHAR,
-	event_date	TIMESTAMP WITHOUT TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-	ip	VARCHAR,
-	error	TEXT,
-	event	TEXT,
-	data_binary	BYTEA,
-	data	TEXT,
-	page	VARCHAR,
-	action	VARCHAR,
-	action_id	VARCHAR,
-	action_yes	VARCHAR,
-	action_flag	VARCHAR,
-	action_menu	VARCHAR,
-	action_loaded	VARCHAR,
-	action_value	VARCHAR,
-	action_type	VARCHAR,
-	action_error	VARCHAR,
-	user_agent	VARCHAR,
-	referer	VARCHAR,
-	script_name	VARCHAR,
-	query_string	VARCHAR,
-	server_name	VARCHAR,
-	http_host	VARCHAR,
-	http_accept	VARCHAR,
-	http_accept_charset	VARCHAR,
-	http_accept_encoding	VARCHAR,
-	session_id	VARCHAR
+    edit_log_id SERIAL PRIMARY KEY,
+    euid INT, -- this is a foreign key, but I don't nedd to reference to it
+    ecuid VARCHAR,
+    ecuuid UUID,
+    FOREIGN KEY (euid) REFERENCES edit_user (edit_user_id) MATCH FULL ON UPDATE CASCADE ON DELETE SET NULL,
+    username VARCHAR,
+    password VARCHAR,
+    event_date TIMESTAMP WITHOUT TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    ip VARCHAR,
+    error TEXT,
+    event TEXT,
+    data_binary BYTEA,
+    data TEXT,
+    page VARCHAR,
+    action VARCHAR,
+    action_id VARCHAR,
+    action_sub_id VARCHAR,
+    action_yes VARCHAR,
+    action_flag VARCHAR,
+    action_menu VARCHAR,
+    action_loaded VARCHAR,
+    action_value VARCHAR,
+    action_type VARCHAR,
+    action_error VARCHAR,
+    user_agent VARCHAR,
+    referer VARCHAR,
+    script_name VARCHAR,
+    query_string VARCHAR,
+    server_name VARCHAR,
+    http_host VARCHAR,
+    http_accept VARCHAR,
+    http_accept_charset VARCHAR,
+    http_accept_encoding VARCHAR,
+    session_id VARCHAR
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_log.sql
 -- START: table/edit_log_overflow.sql
@@ -707,15 +712,15 @@ ALTER TABLE edit_log_overflow ADD CONSTRAINT edit_log_overflow_euid_fkey FOREIGN
 
 -- DROP TABLE edit_access;
 CREATE TABLE edit_access (
-	edit_access_id	SERIAL PRIMARY KEY,
-	enabled	SMALLINT NOT NULL DEFAULT 0,
-	protected SMALLINT DEFAULT 0,
-	deleted	SMALLINT DEFAULT 0,
-	uid	VARCHAR,
-	name	VARCHAR UNIQUE,
-	description	VARCHAR,
-	color	VARCHAR,
-	additional_acl	JSONB
+    edit_access_id SERIAL PRIMARY KEY,
+    enabled SMALLINT NOT NULL DEFAULT 0,
+    protected SMALLINT DEFAULT 0,
+    deleted SMALLINT DEFAULT 0,
+    uid VARCHAR,
+    name VARCHAR UNIQUE,
+    description VARCHAR,
+    color VARCHAR,
+    additional_acl JSONB
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_access.sql
 -- START: table/edit_access_user.sql
@@ -728,15 +733,15 @@ CREATE TABLE edit_access (
 
 -- DROP TABLE edit_access_user;
 CREATE TABLE edit_access_user (
-	edit_access_user_id	SERIAL PRIMARY KEY,
-	edit_access_id	INT NOT NULL,
-	FOREIGN KEY (edit_access_id) REFERENCES edit_access (edit_access_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_user_id	INT NOT NULL,
-	FOREIGN KEY (edit_user_id) REFERENCES edit_user (edit_user_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_access_right_id	INT NOT NULL,
-	FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	edit_default	SMALLINT DEFAULT 0,
-	enabled	SMALLINT NOT NULL DEFAULT 0
+    edit_access_user_id SERIAL PRIMARY KEY,
+    edit_access_id INT NOT NULL,
+    FOREIGN KEY (edit_access_id) REFERENCES edit_access (edit_access_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_user_id INT NOT NULL,
+    FOREIGN KEY (edit_user_id) REFERENCES edit_user (edit_user_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_access_right_id INT NOT NULL,
+    FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    edit_default SMALLINT DEFAULT 0,
+    enabled SMALLINT NOT NULL DEFAULT 0
 ) INHERITS (edit_generic) WITHOUT OIDS;
 -- END: table/edit_access_user.sql
 -- START: table/edit_access_data.sql
@@ -749,12 +754,12 @@ CREATE TABLE edit_access_user (
 
 -- DROP TABLE edit_access_data;
 CREATE TABLE edit_access_data (
-	edit_access_data_id	SERIAL PRIMARY KEY,
-	edit_access_id INT NOT NULL,
-	FOREIGN KEY (edit_access_id) REFERENCES edit_access (edit_access_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
-	enabled	SMALLINT NOT NULL DEFAULT 0,
-	name	VARCHAR,
-	value	VARCHAR
+    edit_access_data_id SERIAL PRIMARY KEY,
+    edit_access_id INT NOT NULL,
+    FOREIGN KEY (edit_access_id) REFERENCES edit_access (edit_access_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
+    enabled SMALLINT NOT NULL DEFAULT 0,
+    name VARCHAR,
+    value VARCHAR
 ) INHERITS (edit_generic) WITHOUT OIDS;
 
 -- create a unique index for each attached data block for each edit access can

test/phpunit/Convert/CoreLibsConvertColorsTest.php

@@ -9,7 +9,7 @@ use PHPUnit\Framework\TestCase;
 /**
  * Test class for Convert\Colors
  * @coversDefaultClass \CoreLibs\Convert\Colors
- * @testdox \CoreLibs\Convert\Colors method tests
+ * @testdox \CoreLibs\Convert\Colors legacy method tests
  */
 final class CoreLibsConvertColorsTest extends TestCase
 {
@@ -21,7 +21,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 *
 	 * @return array
 	 */
-	public function rgb2hexColorProvider(): array
+	public function providerRgb2hexColor(): array
 	{
 		return [
 			'color' => [
@@ -88,7 +88,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 *
 	 * @return array
 	 */
-	public function hex2rgbColorProvider(): array
+	public function providerHex2rgbColor(): array
 	{
 		return [
 			'color' => [
@@ -215,7 +215,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 *
 	 * @return array
 	 */
-	public function rgb2hsbColorProvider(): array
+	public function providerRgb2hsbColor(): array
 	{
 		$list = [];
 		foreach ($this->rgb2hslAndhsbList() as $name => $values) {
@@ -234,7 +234,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 *
 	 * @return array
 	 */
-	public function hsb2rgbColorProvider(): array
+	public function providerHsb2rgbColor(): array
 	{
 		$list = [];
 		foreach ($this->rgb2hslAndhsbList() as $name => $values) {
@@ -253,7 +253,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 *
 	 * @return array
 	 */
-	public function rgb2hslColorProvider(): array
+	public function providerRgb2hslColor(): array
 	{
 		$list = [];
 		foreach ($this->rgb2hslAndhsbList() as $name => $values) {
@@ -272,7 +272,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 *
 	 * @return array
 	 */
-	public function hsl2rgbColorProvider(): array
+	public function providerHsl2rgbColor(): array
 	{
 		$list = [];
 		foreach ($this->rgb2hslAndhsbList() as $name => $values) {
@@ -291,7 +291,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 * TODO: add cross convert check
 	 *
 	 * @covers ::rgb2hex
-	 * @dataProvider rgb2hexColorProvider
+	 * @dataProvider providerRgb2hexColor
 	 * @testdox rgb2hex $input_r,$input_g,$input_b will be $expected [$_dataName]
 	 *
 	 * @param int $input_r
@@ -342,7 +342,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @covers ::hex2rgb
-	 * @dataProvider hex2rgbColorProvider
+	 * @dataProvider providerHex2rgbColor
 	 * @testdox hex2rgb $input will be $expected, $expected_str str[,], $expected_str_sep str[$separator] [$_dataName]
 	 *
 	 * @param string $input
@@ -385,7 +385,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @covers ::rgb2hsb
-	 * @dataProvider rgb2hsbColorProvider
+	 * @dataProvider providerRgb2hsbColor
 	 * @testdox rgb2hsb $input_r,$input_g,$input_b will be $expected [$_dataName]
 	 *
 	 * @param integer $input_r
@@ -409,7 +409,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @covers ::hsb2rgb
-	 * @dataProvider hsb2rgbColorProvider
+	 * @dataProvider providerHsb2rgbColor
 	 * @testdox hsb2rgb $input_h,$input_s,$input_b will be $expected [$_dataName]
 	 *
 	 * @param float $input_h
@@ -434,7 +434,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @covers ::rgb2hsl
-	 * @dataProvider rgb2hslColorProvider
+	 * @dataProvider providerRgb2hslColor
 	 * @testdox rgb2hsl $input_r,$input_g,$input_b will be $expected [$_dataName]
 	 *
 	 * @param integer $input_r
@@ -458,7 +458,7 @@ final class CoreLibsConvertColorsTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @covers ::hsl2rgb
-	 * @dataProvider hsl2rgbColorProvider
+	 * @dataProvider providerHsl2rgbColor
 	 * @testdox hsl2rgb $input_h,$input_s,$input_l will be $expected [$_dataName]
 	 *
 	 * @param integer|float $input_h

test/phpunit/Convert/CoreLibsConvertMathTest.php

@@ -18,7 +18,7 @@ final class CoreLibsConvertMathTest extends TestCase
 	 *
 	 * @return array<mixed>
 	 */
-	public function fceilProvider(): array
+	public function providerFceil(): array
 	{
 		return [
 			'5.5 must be 6' => [5.5, 6],
@@ -31,7 +31,7 @@ final class CoreLibsConvertMathTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @covers ::fceil
-	 * @dataProvider fceilProvider
+	 * @dataProvider providerFceil
 	 * @testdox fceil: Input $input must be $expected
 	 *
 	 * @param float $input
@@ -51,7 +51,7 @@ final class CoreLibsConvertMathTest extends TestCase
 	 *
 	 * @return array<mixed>
 	 */
-	public function floorProvider(): array
+	public function providerFloor(): array
 	{
 		return [
 			'5123456 with -3 must be 5123000' => [5123456, -3, 5123000],
@@ -63,7 +63,7 @@ final class CoreLibsConvertMathTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @covers ::floorp
-	 * @dataProvider floorProvider
+	 * @dataProvider providerFloor
 	 * @testdox floor: Input $input with cutoff $cutoff must be $expected
 	 *
 	 * @param int $input
@@ -84,7 +84,7 @@ final class CoreLibsConvertMathTest extends TestCase
 	 *
 	 * @return array<mixed>
 	 */
-	public function initNumericProvider(): array
+	public function providerInitNumeric(): array
 	{
 		return [
 			'5 must be 5' => [5, 5, 'int'],
@@ -98,7 +98,7 @@ final class CoreLibsConvertMathTest extends TestCase
 	 * Undocumented function
 	 *
 	 * @covers ::initNumeric
-	 * @dataProvider initNumericProvider
+	 * @dataProvider providerInitNumeric
 	 * @testdox initNumeric: Input $info $input must match $expected [$_dataName]
 	 *
 	 * @param int|float|string $input
@@ -113,6 +113,388 @@ final class CoreLibsConvertMathTest extends TestCase
 			\CoreLibs\Convert\Math::initNumeric($input)
 		);
 	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
+	public function providerCbrt(): array
+	{
+		return [
+			'cube root of 2' => [2, 1.25992, 5],
+			'cube root of 3' => [3, 1.44225, 5],
+			'cube root of -1' => [-1, 'NAN', 0],
+		];
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::cbrt
+	 * @dataProvider providerCbrt
+	 * @testdox initNumeric: Input $input must match $expected [$_dataName]
+	 *
+	 * @param  float|int $number
+	 * @param  float     $expected
+	 * @param  int       $round_to
+	 * @return void
+	 */
+	public function testCbrt(float|int $number, float|string $expected, int $round_to): void
+	{
+		$this->assertEquals(
+			$expected,
+			round(\CoreLibs\Convert\Math::cbrt($number), $round_to)
+		);
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
+	public function providerMultiplyMatrices(): array
+	{
+		return  [
+			'[3] x [3] => [3x1]' => [
+				[1, 2, 3],
+				[1, 2, 3],
+				[14]
+			],
+			'[3] x [3x1]' => [
+				[1, 2, 3],
+				[[1], [2], [3]],
+				[14]
+			],
+			'[3] x [3x1]' => [
+				[1, 2, 3],
+				[[1], [2], [3]],
+				[14]
+			],
+			'[1x3L] x [3x1]' => [
+				[[1, 2, 3]],
+				[[1], [2], [3]],
+				[14]
+			],
+			'[1x3] x [3x1]' => [
+				[[1], [2], [3]],
+				[[1], [2], [3]],
+				[1, 2, 3]
+			],
+			'[2x3] x [3] => [3x1]' => [
+				[
+					[1, 2, 3],
+					[1, 2, 3]
+				],
+				[1, 2, 3],
+				[
+					14,
+					14
+				]
+			],
+			'[2x3] x [3x1]' => [
+				[
+					[1, 2, 3],
+					[1, 2, 3]
+				],
+				[[1], [2], [3]],
+				[
+					14,
+					14
+				]
+			],
+			'[2x3] x [2x3] => [3x3]' => [
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[3, 6, 9],
+					[3, 6, 9]
+				]
+			],
+			'[2x3] x [3x3]' => [
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+					[0, 0, 0],
+				],
+				[
+					[3, 6, 9],
+					[3, 6, 9]
+				]
+			],
+			'[2x3] x [3x2]' => [
+				'a' => [
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				'b' => [
+					[1, 1],
+					[2, 2],
+					[3, 3],
+				],
+				'prod' => [
+					[14, 14],
+					[14, 14],
+				]
+			],
+			'[3x3] x [3] => [1x3]' => [
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[1, 2, 3],
+				[
+					14,
+					14,
+					14
+				]
+			],
+			'[3x3] x [2x3] => [3x3]' => [
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[3, 6, 9],
+					[3, 6, 9],
+					[3, 6, 9],
+				]
+			],
+			'[3x3] x [3x3]' => [
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+					// [0, 0, 0],
+				],
+				[
+					[3, 6, 9],
+					[3, 6, 9],
+					[3, 6, 9],
+				]
+			],
+			'[3] x [3x3]' => [
+				[1, 2, 3],
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[6, 12, 18],
+				]
+			],
+			'[2x3] x [3x3]' => [
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[1, 2, 3],
+					[1, 2, 3],
+					[1, 2, 3],
+				],
+				[
+					[6, 12, 18],
+					[6, 12, 18],
+				]
+			],
+			'inblanaced [2x2,3] x [3x2]' => [
+				'a' => [
+					[1, 2, 3],
+					[4, 5]
+				],
+				'b' => [
+					[6, 7],
+					[8, 9],
+					[10, 11]
+				],
+				'result' => [
+					[52, 58],
+					[64, 73],
+				]
+			],
+			'inblanaced [2x3] x [3x1,2]' => [
+				'a' => [
+					[1, 2, 3],
+					[4, 5, 7]
+				],
+				'b' => [
+					[7, 8],
+					[9, 10],
+					[11]
+				],
+				'result' => [
+					[58, 28],
+					[150, 82],
+				]
+			],
+		];
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::multiplyMatrices
+	 * @dataProvider providerMultiplyMatrices
+	 * @testdox initNumeric: Input $input_a x $input_b must match $expected [$_dataName]
+	 *
+	 * @param  array $input_a
+	 * @param  array $input_b
+	 * @param  array $expected
+	 * @return void
+	 */
+	public function testMultiplyMatrices(array $input_a, array $input_b, array $expected): void
+	{
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Convert\Math::multiplyMatrices($input_a, $input_b)
+		);
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
+	public function providerEqualWithEpsilon(): array
+	{
+		return [
+			'equal' => [
+				'a' => 0.000000000000000222,
+				'b' => 0.000000000000000222,
+				'epsilon' => PHP_FLOAT_EPSILON,
+				'equal' => true,
+			],
+			'almost equal' => [
+				'a' => 0.000000000000000222,
+				'b' => 0.000000000000000232,
+				'epsilon' => PHP_FLOAT_EPSILON,
+				'equal' => true,
+			],
+			'not equal' => [
+				'a' => 0.000000000000000222,
+				'b' => 0.000000000000004222,
+				'epsilon' => PHP_FLOAT_EPSILON,
+				'equal' => false,
+			],
+			'equal, different epsilon' => [
+				'a' => 0.000000000000000222,
+				'b' => 0.000000000000004222,
+				'epsilon' => 0.0001,
+				'equal' => true,
+			],
+			'not equal, different epsilon' => [
+				'a' => 0.0001,
+				'b' => 0.0002,
+				'epsilon' => 0.0001,
+				'equal' => false,
+			]
+		];
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::equalWithEpsilon
+	 * @dataProvider providerEqualWithEpsilon
+	 * @testdox equalWithEpsilon with $a and $b and Epsilon: $epsilon must be equal: $equal [$_dataName]
+	 *
+	 * @return void
+	 */
+	public function testEqualWithEpsilon(float $a, float $b, float $epsilon, bool $equal): void
+	{
+		$this->assertEquals(
+			$equal,
+			\CoreLibs\Convert\Math::equalWithEpsilon($a, $b, $epsilon)
+		);
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
+	public function providerCompareWithEpsilon(): array
+	{
+		return [
+			'smaller, true' => [
+				'value' => 0.0001,
+				'compare' => '<',
+				'limit' => 0.0002,
+				'epsilon' => 0.00001,
+				'match' => true,
+			],
+			'smaller, false' => [
+				'value' => 0.0001,
+				'compare' => '<',
+				'limit' => 0.0001,
+				'epsilon' => 0.00001,
+				'match' => false,
+			],
+			'bigger, true' => [
+				'value' => 0.0002,
+				'compare' => '>',
+				'limit' => 0.0001,
+				'epsilon' => 0.00001,
+				'match' => true,
+			],
+			'bigger, false' => [
+				'value' => 0.0001,
+				'compare' => '>',
+				'limit' => 0.0001,
+				'epsilon' => 0.00001,
+				'match' => false,
+			],
+		];
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::compareWithEpsilon
+	 * @dataProvider providerCompareWithEpsilon
+	 * @testdox compareWithEpsilon $value $compare $limit with $epsilon must match: $match [$_dataName]
+	 *
+	 * @param  float  $value
+	 * @param  string $compare
+	 * @param  float  $limit
+	 * @param  float  $epslion
+	 * @param  bool   $match
+	 * @return void
+	 */
+	public function testCompareWithEpsilon(
+		float $value,
+		string $compare,
+		float $limit,
+		float $epsilon,
+		bool $match
+	): void {
+		$this->assertEquals(
+			$match,
+			\CoreLibs\Convert\Math::compareWithEpsilon($value, $compare, $limit, $epsilon)
+		);
+	}
 }
 
 // __END__

test/phpunit/Create/CoreLibsCreateSessionTest.php

@@ -22,7 +22,6 @@ final class CoreLibsCreateSessionTest extends TestCase
 	public function sessionProvider(): array
 	{
 		// 0: session name as parameter or for GLOBAL value
-		// 1: type p: parameter, g: global, d: php.ini default
 		// 2: mock data as array
 		//    checkCliStatus: true/false,
 		//    getSessionStatus: PHP_SESSION_DISABLED for abort,
@@ -31,13 +30,10 @@ final class CoreLibsCreateSessionTest extends TestCase
 		//    checkActiveSession: true/false, [1st call, 2nd call]
 		//    getSessionId: string or false
 		// 3: exepcted name (session)]
-		// 4: Exception thrown on error
-		// 5: exception code, null for none
-		// 6: expected error string
+		// 4: auto write close flag
 		return [
 			'session parameter' => [
 				'sessionNameParameter',
-				'p',
 				[
 					'checkCliStatus' => false,
 					'getSessionStatus' => PHP_SESSION_NONE,
@@ -47,12 +43,9 @@ final class CoreLibsCreateSessionTest extends TestCase
 				],
 				'sessionNameParameter',
 				null,
-				null,
-				'',
 			],
 			'session globals' => [
 				'sessionNameGlobals',
-				'g',
 				[
 					'checkCliStatus' => false,
 					'getSessionStatus' => PHP_SESSION_NONE,
@@ -61,13 +54,10 @@ final class CoreLibsCreateSessionTest extends TestCase
 					'getSessionId' => '1234abcd4567'
 				],
 				'sessionNameGlobals',
-				null,
-				null,
-				'',
+				false,
 			],
-			'session name default' => [
-				'',
-				'd',
+			'auto write close' => [
+				'sessionNameAutoWriteClose',
 				[
 					'checkCliStatus' => false,
 					'getSessionStatus' => PHP_SESSION_NONE,
@@ -75,109 +65,8 @@ final class CoreLibsCreateSessionTest extends TestCase
 					'checkActiveSession' => [false, true],
 					'getSessionId' => '1234abcd4567'
 				],
-				'',
-				null,
-				null,
-				'',
-			],
-			// error checks
-			// 1: we are in cli
-			'on cli error' => [
-				'',
-				'd',
-				[
-					'checkCliStatus' => true,
-					'getSessionStatus' => PHP_SESSION_NONE,
-					'setSessionName' => true,
-					'checkActiveSession' => [false, true],
-					'getSessionId' => '1234abcd4567'
-				],
-				'',
-				'RuntimeException',
-				1,
-				'[SESSION] No sessions in php cli'
-			],
-			// 2: session disabled
-			'session disabled error' => [
-				'',
-				'd',
-				[
-					'checkCliStatus' => false,
-					'getSessionStatus' => PHP_SESSION_DISABLED,
-					'setSessionName' => true,
-					'checkActiveSession' => [false, true],
-					'getSessionId' => '1234abcd4567'
-				],
-				'',
-				'RuntimeException',
-				2,
-				'[SESSION] Sessions are disabled'
-			],
-			// 3: invalid session name: string
-			'invalid name chars error' => [
-				'1invalid$session#;',
-				'p',
-				[
-					'checkCliStatus' => false,
-					'getSessionStatus' => PHP_SESSION_NONE,
-					'setSessionName' => false,
-					'checkActiveSession' => [false, true],
-					'getSessionId' => '1234abcd4567'
-				],
-				'',
-				'UnexpectedValueException',
-				3,
-				'[SESSION] Invalid session name: 1invalid$session#;'
-			],
-			// 3: invalid session name: only numbers
-			'invalid name numbers only error' => [
-				'123',
-				'p',
-				[
-					'checkCliStatus' => false,
-					'getSessionStatus' => PHP_SESSION_NONE,
-					'setSessionName' => false,
-					'checkActiveSession' => [false, true],
-					'getSessionId' => '1234abcd4567'
-				],
-				'',
-				'UnexpectedValueException',
-				3,
-				'[SESSION] Invalid session name: 123'
-			],
-			// 3: invalid session name: invalid name short
-			// 3: invalid session name: too long (128)
-			// 4: failed to start session (2nd false on check active session)
-			'invalid name numbers only error' => [
-				'',
-				'd',
-				[
-					'checkCliStatus' => false,
-					'getSessionStatus' => PHP_SESSION_NONE,
-					'setSessionName' => true,
-					'checkActiveSession' => [false, false],
-					'getSessionId' => '1234abcd4567'
-				],
-				'',
-				'RuntimeException',
-				4,
-				'[SESSION] Failed to activate session'
-			],
-			// 5: get session id return false
-			'invalid name numbers only error' => [
-				'',
-				'd',
-				[
-					'checkCliStatus' => false,
-					'getSessionStatus' => PHP_SESSION_NONE,
-					'setSessionName' => true,
-					'checkActiveSession' => [false, true],
-					'getSessionId' => false
-				],
-				'',
-				'UnexpectedValueException',
-				5,
-				'[SESSION] getSessionId did not return a session id'
+				'sessionNameAutoWriteClose',
+				true,
 			],
 		];
 	}
@@ -190,32 +79,23 @@ final class CoreLibsCreateSessionTest extends TestCase
 	 * @testdox startSession $input name for $type will be $expected (error: $expected_error) [$_dataName]
 	 *
 	 * @param string $input
-	 * @param string $type
 	 * @param array<mixed> $mock_data
 	 * @param string $expected
-	 * @param string|null $exception
-	 * @param string $expected_error
 	 * @return void
 	 */
 	public function testStartSession(
 		string $input,
-		string $type,
 		array $mock_data,
 		string $expected,
-		?string $exception,
-		?int $exception_code,
-		string $expected_error
+		?bool $auto_write_close,
 	): void {
-		// override expected
-		if ($type == 'd') {
-			$expected = ini_get('session.name');
-		}
 		/** @var \CoreLibs\Create\Session&MockObject $session_mock */
 		$session_mock = $this->createPartialMock(
 			\CoreLibs\Create\Session::class,
 			[
-				'checkCliStatus', 'getSessionStatus', 'checkActiveSession',
-				'setSessionName', 'startSessionCall', 'getSessionId',
+				'checkCliStatus',
+				'getSessionStatus', 'checkActiveSession',
+				'getSessionId',
 				'getSessionName'
 			]
 		);
@@ -234,12 +114,8 @@ final class CoreLibsCreateSessionTest extends TestCase
 				$mock_data['checkActiveSession'][0],
 				$mock_data['checkActiveSession'][1],
 			);
-		// dummy set for session name
-		$session_mock->method('setSessionName')->with($input)->willReturn($mock_data['setSessionName']);
 		// set session name & return bsed on request data
 		$session_mock->method('getSessionName')->willReturn($expected);
-		// will not return anything
-		$session_mock->method('startSessionCall');
 		// in test case only return string
 		// false: will return false
 		$session_mock->method('getSessionId')->willReturn($mock_data['getSessionId']);
@@ -247,25 +123,7 @@ final class CoreLibsCreateSessionTest extends TestCase
 		// regex for session id
 		$ression_id_regex = "/^\w+$/";
 
-		if ($exception !== null) {
-			$this->expectException($exception);
-			$this->expectExceptionCode($exception_code);
-		}
-
-		unset($GLOBALS['SET_SESSION_NAME']);
-		$session_id = '';
-		switch ($type) {
-			case 'p':
-				$session_id = $session_mock->startSession($input);
-				break;
-			case 'g':
-				$GLOBALS['SET_SESSION_NAME'] = $input;
-				$session_id = $session_mock->startSession();
-				break;
-			case 'd':
-				$session_id = $session_mock->startSession();
-				break;
-		}
+		$session_id = $session_mock->getSessionId();
 		// asert checks
 		if (!empty($session_id)) {
 			$this->assertMatchesRegularExpression(
@@ -284,6 +142,73 @@ final class CoreLibsCreateSessionTest extends TestCase
 		}
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
+	public function providerSessionException(): array
+	{
+		return [
+			'not cli' => [
+				'TEST_EXCEPTION',
+				\RuntimeException::class,
+				1,
+				'/^\[SESSION\] No sessions in php cli$/',
+			],
+			/* 'session disabled ' => [
+				'TEST_EXCEPTION',
+				\RuntimeException::class,
+				2,
+				'/^\[SESSION\] Sessions are disabled/'
+			],
+			'invalid session name' => [
+				'--#as^-292p-',
+				\UnexpectedValueException::class,
+				3,
+				'/^\[SESSION\] Invalid session name: /'
+			],
+			'failed to activate session' => [
+				'TEST_EXCEPTION',
+				\RuntimeException::class,
+				4,
+				'/^\[SESSION\] Failed to activate session/'
+			],
+			'not a valid session id returned' => [
+				\UnexpectedValueException::class,
+				5,
+				'/^\[SESSION\] getSessionId did not return a session id/'
+			], */
+		];
+	}
+
+	/**
+	 * exception checks
+	 *
+	 * @covers ::initSession
+	 * @dataProvider providerSessionException
+	 * @testdox create session $session_name with exception $exception ($exception_code) [$_dataName]
+	 *
+	 * @param  string $session_name
+	 * @param  string $exception
+	 * @param  int    $exception_code
+	 * @param  string $expected_error
+	 * @return void
+	 */
+	public function testSessionException(
+		string $session_name,
+		string $exception,
+		int $exception_code,
+		string $expected_error,
+	): void {
+		//
+		// throws only on new Object creation
+		$this->expectException($exception);
+		$this->expectExceptionCode($exception_code);
+		$this->expectExceptionMessageMatches($expected_error);
+		new \CoreLibs\Create\Session($session_name);
+	}
+
 	/**
 	 * provider for session name check
 	 *
@@ -369,6 +294,8 @@ final class CoreLibsCreateSessionTest extends TestCase
 		];
 	}
 
+	// NOTE: with auto start session, we cannot test this in the command line
+
 	/**
 	 * method call test
 	 *
@@ -384,74 +311,32 @@ final class CoreLibsCreateSessionTest extends TestCase
 	 * @param  mixed $expected
 	 * @return void
 	 */
-	public function testMethodSetGet($name, $input, $expected): void
+/* 	public function testMethodSetGet($name, $input, $expected): void
 	{
-		$session = new \CoreLibs\Create\Session();
-		$session->setS($name, $input);
+		$session = new \CoreLibs\Create\Session('TEST_METHOD');
+		$session->set($name, $input);
 		$this->assertEquals(
 			$expected,
-			$session->getS($name),
+			$session->get($name),
 			'method set assert'
 		);
 		// isset true
 		$this->assertTrue(
-			$session->issetS($name),
+			$session->isset($name),
 			'method isset assert ok'
 		);
-		$session->unsetS($name);
+		$session->unset($name);
 		$this->assertEquals(
 			'',
-			$session->getS($name),
+			$session->get($name),
 			'method unset assert'
 		);
 		// iset false
 		$this->assertFalse(
-			$session->issetS($name),
+			$session->isset($name),
 			'method isset assert false'
 		);
-	}
-
-	/**
-	 * magic call test
-	 *
-	 * @covers ::__set
-	 * @covers ::__get
-	 * @covers ::__isset
-	 * @covers ::__unset
-	 * @dataProvider sessionDataProvider
-	 * @testdox __set/__get/__iseet/__unset $name with $input is $expected [$_dataName]
-	 *
-	 * @param  string|int $name
-	 * @param  mixed $input
-	 * @param  mixed $expected
-	 * @return void
-	 */
-	public function testMagicSetGet($name, $input, $expected): void
-	{
-		$session = new \CoreLibs\Create\Session();
-		$session->$name = $input;
-		$this->assertEquals(
-			$expected,
-			$session->$name,
-			'magic set assert'
-		);
-		// isset true
-		$this->assertTrue(
-			isset($session->$name),
-			'magic isset assert ok'
-		);
-		unset($session->$name);
-		$this->assertEquals(
-			'',
-			$session->$name,
-			'magic unset assert'
-		);
-		// isset true
-		$this->assertFalse(
-			isset($session->$name),
-			'magic isset assert false'
-		);
-	}
+	} */
 
 	/**
 	 * unset all test
@@ -461,33 +346,33 @@ final class CoreLibsCreateSessionTest extends TestCase
 	 *
 	 * @return void
 	 */
-	public function testUnsetAll(): void
+/* 	public function testUnsetAll(): void
 	{
 		$test_values = [
 			'foo' => 'abc',
 			'bar' => '123'
 		];
-		$session = new \CoreLibs\Create\Session();
+		$session = new \CoreLibs\Create\Session('TEST_UNSET');
 		foreach ($test_values as $name => $value) {
-			$session->setS($name, $value);
+			$session->set($name, $value);
 			// confirm set
 			$this->assertEquals(
 				$value,
-				$session->getS($name),
+				$session->get($name),
 				'set assert: ' . $name
 			);
 		}
 		// unset all
-		$session->unsetAllS();
+		$session->unsetAll();
 		// check unset
 		foreach (array_keys($test_values) as $name) {
 			$this->assertEquals(
 				'',
-				$session->getS($name),
+				$session->get($name),
 				'unsert assert: ' . $name
 			);
 		}
-	}
+	} */
 }
 
 // __END__

test/phpunit/Create/CoreLibsCreateUidsTest.php

@@ -121,6 +121,7 @@ final class CoreLibsCreateUidsTest extends TestCase
 	 * must match 7e78fe0d-59b8-4637-af7f-e88d221a7d1e
 	 *
 	 * @covers ::uuidv4
+	 * @covers ::validateUuidv4
 	 * @testdox uuidv4 check that return is matching regex [$_dataName]
 	 *
 	 * @return void
@@ -129,13 +130,18 @@ final class CoreLibsCreateUidsTest extends TestCase
 	{
 		$uuid = \CoreLibs\Create\Uids::uuidv4();
 		$this->assertMatchesRegularExpression(
-			'/^[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}$/',
-			$uuid
+			'/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/',
+			$uuid,
+			'Failed regex check'
+		);
+		$this->assertTrue(
+			\CoreLibs\Create\Uids::validateUuuidv4($uuid),
+			'Failed validate regex method'
+		);
+		$this->assertFalse(
+			\CoreLibs\Create\Uids::validateUuuidv4('not-a-uuidv4'),
+			'Failed wrong uuid validated as true'
 		);
-		// $this->assertStringMatchesFormat(
-		// 	'%4s%4s-%4s-%4s-%4s-%4s%4s%4s',
-		// 	$uuid
-		// );
 	}
 
 	/**

test/phpunit/DB/CoreLibsDBExtendedArrayIOTest.php

@@ -10,7 +10,6 @@ use PHPUnit\Framework\TestCase;
  * Test class for DB\Extended\ArrayIO
  * This will only test the PgSQL parts
  * @coversDefaultClass \CoreLibs\DB\Extended\ArrayIO
- * @coversDefaultClass \CoreLibs\DB\Extended\ArrayIO
  * @testdox \CoreLibs\Extended\ArrayIO method tests for extended DB interface
  */
 final class CoreLibsDBExtendedArrayIOTest extends TestCase

test/phpunit/DB/CoreLibsDBIOTest.php

@@ -37,8 +37,9 @@ namespace tests;
 
 use PHPUnit\Framework\TestCase;
 use PHPUnit\Framework\MockObject\MockObject;
-use CoreLibs\Logging\Logger\Level;
+use CoreLibs\Logging;
 use CoreLibs\DB\Options\Convert;
+use CoreLibs\DB\Support\ConvertPlaceholder;
 
 /**
  * Test class for DB\IO + DB\SQL\PgSQL
@@ -117,7 +118,7 @@ final class CoreLibsDBIOTest extends TestCase
 			);
 		}
 		// define basic connection set valid and one invalid
-		self::$log = new \CoreLibs\Logging\Logging([
+		self::$log = new Logging\Logging([
 			// 'log_folder' => __DIR__ . DIRECTORY_SEPARATOR . 'log',
 			'log_folder' => DIRECTORY_SEPARATOR . 'tmp',
 			'log_file_id' => 'CoreLibs-DB-IO-Test',
@@ -159,15 +160,12 @@ final class CoreLibsDBIOTest extends TestCase
 		// create the tables
 		$db->dbExec(
 			// primary key name is table + '_id'
+				// table_with_primary_key_id SERIAL PRIMARY KEY,
 			<<<SQL
 			CREATE TABLE table_with_primary_key (
-				table_with_primary_key_id SERIAL PRIMARY KEY,
+				table_with_primary_key_id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
 				$base_table
 			SQL
-			/* "CREATE TABLE table_with_primary_key ("
-			// primary key name is table + '_id'
-			. "table_with_primary_key_id SERIAL PRIMARY KEY, "
-			. $base_table */
 		);
 		$db->dbExec(
 			<<<SQL
@@ -570,11 +568,11 @@ final class CoreLibsDBIOTest extends TestCase
 		);
 		$db->dbClose();
 		// second conenction with log set NOT debug
-		$log = new \CoreLibs\Logging\Logging([
+		$log = new Logging\Logging([
 			// 'log_folder' => __DIR__ . DIRECTORY_SEPARATOR . 'log',
 			'log_folder' => DIRECTORY_SEPARATOR . 'tmp',
 			'log_file_id' => 'CoreLibs-DB-IO-Test',
-			'log_level' => \CoreLibs\Logging\Logger\Level::Notice,
+			'log_level' => Logging\Logger\Level::Notice,
 		]);
 		$db = new \CoreLibs\DB\IO(
 			self::$db_config[$connection],
@@ -3293,6 +3291,7 @@ final class CoreLibsDBIOTest extends TestCase
 					'query' =>  'INSERT INTO table_with_primary_key (row_int, uid) '
 						. 'VALUES ($1, $2) RETURNING table_with_primary_key_id',
 					'returning_id' => true,
+					'placeholder_converted' => [],
 				],
 			],
 			// update
@@ -3327,6 +3326,7 @@ final class CoreLibsDBIOTest extends TestCase
 					'query' => 'UPDATE table_with_primary_key SET row_int = $1, '
 						. 'row_varchar = $2 WHERE uid = $3',
 					'returning_id' => false,
+					'placeholder_converted' => [],
 				],
 			],
 			// select
@@ -3356,6 +3356,7 @@ final class CoreLibsDBIOTest extends TestCase
 					'count' => 1,
 					'query' => 'SELECT row_int, uid FROM table_with_primary_key WHERE uid = $1',
 					'returning_id' => false,
+					'placeholder_converted' => [],
 				],
 			],
 			// any query but with no parameters
@@ -3388,6 +3389,7 @@ final class CoreLibsDBIOTest extends TestCase
 					'count' => 0,
 					'query' => 'SELECT row_int, uid FROM table_with_primary_key',
 					'returning_id' => false,
+					'placeholder_converted' => [],
 				],
 			],
 			// no statement name (25)
@@ -3411,6 +3413,7 @@ final class CoreLibsDBIOTest extends TestCase
 					'count' => 0,
 					'query' => '',
 					'returning_id' => false,
+					'placeholder_converted' => [],
 				],
 			],
 			// no query (prepare 11)
@@ -3435,6 +3438,7 @@ final class CoreLibsDBIOTest extends TestCase
 					'count' => 0,
 					'query' => '',
 					'returning_id' => false,
+					'placeholder_converted' => [],
 				],
 			],
 			// no db connection (prepare/execute 16)
@@ -3464,6 +3468,7 @@ final class CoreLibsDBIOTest extends TestCase
 					'count' => 0,
 					'query' => 'SELECT row_int, uid FROM table_with_primary_key',
 					'returning_id' => false,
+					'placeholder_converted' => [],
 				],
 			],
 			// prepare with different statement name
@@ -3489,6 +3494,7 @@ final class CoreLibsDBIOTest extends TestCase
 					'count' => 0,
 					'query' => 'SELECT row_int, uid FROM table_with_primary_key',
 					'returning_id' => false,
+					'placeholder_converted' => [],
 				],
 			],
 			// insert wrong data count compared to needed (execute 23)
@@ -3514,10 +3520,12 @@ final class CoreLibsDBIOTest extends TestCase
 					'query' => 'INSERT INTO table_with_primary_key (row_int, uid) VALUES '
 						. '($1, $2) RETURNING table_with_primary_key_id',
 					'returning_id' => true,
+					'placeholder_converted' => [],
 				],
 			],
 			// execute does not return a result (22)
 			// TODO execute does not return a result
+			// TODO prepared statement with placeholder params auto convert
 		];
 	}
 
@@ -3662,7 +3670,7 @@ final class CoreLibsDBIOTest extends TestCase
 			}
 
 			// check dbGetPrepareCursorValue
-			foreach (['pk_name', 'count', 'query', 'returning_id'] as $key) {
+			foreach (['pk_name', 'count', 'query', 'returning_id', 'placeholder_converted'] as $key) {
 				$this->assertEquals(
 					$prepare_cursor[$key],
 					$db->dbGetPrepareCursorValue($stm_name, $key),
@@ -5031,8 +5039,151 @@ final class CoreLibsDBIOTest extends TestCase
 		$db->dbClose();
 	}
 
-	// query placeholder convert
+	// MARK: QUERY PLACEHOLDERS
 
+	// test query placeholder detection for all possible sets
+	// ::dbPrepare
+
+	/**
+	 * placeholder sql
+	 *
+	 * @return array
+	 */
+	public function providerDbCountQueryParams(): array
+	{
+		return [
+			'one place holder' => [
+				'query' => 'SELECT row_varchar FROM table_with_primary_key WHERE row_varchar = $1',
+				'count' => 1,
+				'convert' => false,
+			],
+			'one place holder, json call' => [
+				'query' => "SELECT row_varchar FROM table_with_primary_key WHERE row_jsonb->>'data' = $1",
+				'count' => 1,
+				'convert' => false,
+			],
+			'one place holder, <> compare' => [
+				'query' => "SELECT row_varchar FROM table_with_primary_key WHERE row_varchar <> $1",
+				'count' => 1,
+				'convert' => false,
+			],
+			'one place holder, named' => [
+				'query' => "SELECT row_varchar FROM table_with_primary_key WHERE row_varchar <> :row_varchar",
+				'count' => 1,
+				'convert' => true,
+			],
+			'no replacement' => [
+				'query' => "SELECT row_varchar FROM table_with_primary_key WHERE row_varchar = '$1'",
+				'count' => 0,
+				'convert' => false,
+			],
+			'insert' => [
+				'query' => "INSERT INTO table_with_primary_key (row_varchar, row_jsonb, row_int) VALUES ($1, $2, $3)",
+				'count' => 3,
+				'convert' => false,
+			],
+			'update' => [
+				'query' => "UPDATE table_with_primary_key SET row_varchar = $1, row_jsonb = $2, row_int = $3 WHERE row_numeric = $4",
+				'count' => 4,
+				'convert' => false,
+			],
+			'multiple, multline' => [
+				'query' => <<<SQL
+				SELECT
+					row_varchar
+				FROM
+					table_with_primary_key
+				WHERE
+					row_varchar = $1 AND row_int = $2
+					AND row_numeric = ANY($3)
+				SQL,
+				'count' => 3,
+				'convert' => false,
+			],
+			'two digit numbers' => [
+				'query' => <<<SQL
+				INSERT INTO table_with_primary_key (
+					row_int, row_numeric, row_varchar, row_varchar_literal, row_json,
+					row_jsonb, row_bytea, row_timestamp, row_date, row_interval
+				) VALUES (
+					$1, $2, $3, $4, $5,
+					$6, $7, $8, $9, $10
+				)
+				SQL,
+				'count' => 10,
+				'convert' => false,
+			],
+			'things in brackets' => [
+				'query' => <<<SQL
+				SELECT row_varchar
+				FROM table_with_primary_key
+				WHERE
+					row_varchar = $1 AND
+					(row_int = ANY($2) OR row_int = $3)
+					AND row_varchar_literal = $4
+				SQL,
+				'count' => 4,
+				'convert' => false,
+			],
+			'number compare' => [
+				'query' => <<<SQL
+				SELECT row_varchar
+				FROM table_with_primary_key
+				WHERE
+					row_int >= $1 OR row_int <= $2 OR
+					row_int > $3 OR row_int < $4
+					OR row_int = $5 OR row_int <> $6
+				SQL,
+				'count' => 6,
+				'convert' => false,
+			]
+		];
+	}
+
+	/**
+	 * Placeholder check and convert tests
+	 *
+	 * @covers ::dbPrepare
+	 * @covers ::__dbCountQueryParams
+	 * @onvers ::convertPlaceholderInQuery
+	 * @dataProvider providerDbCountQueryParams
+	 * @testdox Query replacement count test [$_dataName]
+	 *
+	 * @param  string $query
+	 * @param  int    $count
+	 * @return void
+	 */
+	public function testDbCountQueryParams(string $query, int $count, bool $convert): void
+	{
+		$db = new \CoreLibs\DB\IO(
+			self::$db_config['valid'],
+			self::$log
+		);
+		$id = sha1($query);
+		$db->dbSetConvertPlaceholder($convert);
+		$db->dbPrepare($id, $query);
+		// print "\n**\n";
+		// print "PCount: " . $db->dbGetPrepareCursorValue($id, 'count') . "\n";
+		// print "\n**\n";
+		$this->assertEquals(
+			$count,
+			$db->dbGetPrepareCursorValue($id, 'count'),
+			'DB count params'
+		);
+		$placeholder = ConvertPlaceholder::convertPlaceholderInQuery($query, null, 'pg');
+		// print "RES: " . print_r($placeholder, true) . "\n";
+		$this->assertEquals(
+			$count,
+			$placeholder['needed'],
+			'convert params'
+		);
+	}
+
+	/**
+	 * query placeholder convert
+	 *
+	 * @return array
+	 */
 	public function queryPlaceholderReplaceProvider(): array
 	{
 		// 				WHERE row_varchar = $1
@@ -5076,7 +5227,9 @@ final class CoreLibsDBIOTest extends TestCase
 				WHERE row_varchar = $1
 				SQL,
 				'expected_params' => ['string a'],
-			]
+			],
+			// TODO: test with multiple entries
+			// TODO: test with same entry ($1, $1, :var, :var)
 		];
 	}
 
@@ -5178,6 +5331,8 @@ final class CoreLibsDBIOTest extends TestCase
 	// - data debug
 	//   dbDumpData
 
+	// MARK: ASYNC
+
 	// ASYNC at the end because it has 1s timeout
 	// - asynchronous executions
 	//   dbExecAsync, dbCheckAsync