Convert static Session class to normal session class

All static Session:: calls (except for checking valid session name) are
converted to object type. This Object is passed on to Login, Admin
Backend and any other class that needs basic session checking

4dev/database/table/edit_access_data.sql

@@ -14,3 +14,7 @@ CREATE TABLE edit_access_data (
 	name	VARCHAR,
 	value	VARCHAR
 ) INHERITS (edit_generic) WITHOUT OIDS;
+
+-- create a unique index for each attached data block for each edit access can
+-- only have ONE value;
+CREATE UNIQUE INDEX edit_access_data_edit_access_id_name_ukey ON edit_access_data (edit_access_id, name);

4dev/tests/CoreLibsACLLoginTest.php

@@ -15,6 +15,7 @@ final class CoreLibsACLLoginTest extends TestCase
 {
 	private static $db;
 	private static $log;
+	private static $session;
 
 	/**
 	 * start DB conneciton, setup DB, etc
@@ -28,6 +29,8 @@ final class CoreLibsACLLoginTest extends TestCase
 				'The PgSQL extension is not available.'
 			);
 		}
+		// init session
+		self::$session = new \CoreLibs\Create\Session('ACLLoginTest');
 		// logger is always needed
 		// define basic connection set valid and one invalid
 		self::$log = new \CoreLibs\Debug\Logging([
@@ -96,7 +99,7 @@ final class CoreLibsACLLoginTest extends TestCase
 			'ACL\Login Tests have not yet been implemented'
 		);
 
-		$login = new \CoreLibs\ACL\Login(self::$db, self::$log);
+		$login = new \CoreLibs\ACL\Login(self::$db, self::$log, self::$session);
 	}
 }
 

4dev/tests/CoreLibsConvertJsonTest.php

@@ -13,7 +13,6 @@ use PHPUnit\Framework\TestCase;
  */
 final class CoreLibsConvertJsonTest extends TestCase
 {
-
 	/**
 	 * test list for json convert tests
 	 *

4dev/tests/CoreLibsCreateSessionTest.php

@@ -20,6 +20,10 @@ final class CoreLibsCreateSessionTest extends TestCase
 	 */
 	public function sessionProvider(): array
 	{
+		// 0: session name as parameter
+		// 1: type p (param), g: global, c: constant
+		// 2: exepcted name (session)
+		// 3: regex check
 		return [
 			'session parameter' => [
 				'sessionNameParameter',
@@ -33,32 +37,20 @@ final class CoreLibsCreateSessionTest extends TestCase
 				'sessionNameGlobals',
 				'/^\w+$/'
 			],
-			'session constant' => [
+			'session name default' => [
-				'sessionNameConstant',
+				'',
-				'c',
+				'd',
-				'sessionNameConstant',
+				'',
 				'/^\w+$/'
 			],
 		];
 	}
 
-	/**
-	 * Undocumented function
-	 *
-	 * @return void
-	 */
-	protected function setUp(): void
-	{
-		if (session_id()) {
-			session_destroy();
-		}
-	}
-
 	/**
 	 * Undocumented function
 	 *
 	 * @dataProvider sessionProvider
-	 * @testdox  startSession $input name for $type will be $expected_n with $expected_i [$_dataName]
+	 * @testdox startSession $input name for $type will be $expected_n with $expected_i [$_dataName]
 	 *
 	 * @param string $input
 	 * @param string $type
@@ -66,21 +58,28 @@ final class CoreLibsCreateSessionTest extends TestCase
 	 * @param string|bool $expected_i
 	 * @return void
 	 */
-	public function testStartSession(string $input, string $type, $expected_n, $expected_i): void
+	public function testStartSession(
-	{
+		string $input,
-		// NEEDS MOCKING
+		string $type,
-		/* $session_id = '';
+		$expected_n,
+		$expected_i
+	): void {
+		/*
+		// MOCK class for dummy call
+		$session = new \CoreLibs\Create\Session();
+		$session_id = '';
+		unset($GLOBALS['SET_SESSION_NAME']);
 		switch ($type) {
 			case 'p':
-				$session_id = \CoreLibs\Create\Session::startSession($input);
+				$session_id = $session->startSession($input);
 				break;
 			case 'g':
 				$GLOBALS['SET_SESSION_NAME'] = $input;
-				$session_id = \CoreLibs\Create\Session::startSession();
+				$session_id = $session->startSession();
 				break;
-			case 'c':
+			case 'd':
-				define('SET_SESSION_NAME', $input);
+				$expected_n = ini_get('session.name');
-				$session_id = \CoreLibs\Create\Session::startSession();
+				$session_id = \$session->startSession();
 				break;
 		}
 		$this->assertMatchesRegularExpression(
@@ -89,11 +88,11 @@ final class CoreLibsCreateSessionTest extends TestCase
 		);
 		$this->assertMatchesRegularExpression(
 			$expected_i,
-			(string)\CoreLibs\Create\Session::getSessionId()
+			(string)$session->getSessionId()
 		);
 		$this->assertEquals(
 			$expected_n,
-			\CoreLibs\Create\Session::getSessionName()
+			$session->getSessionName()
 		);
 		if ($type == 'g') {
 			unset($GLOBALS['SET_SESSION_NAME']);
@@ -101,6 +100,64 @@ final class CoreLibsCreateSessionTest extends TestCase
 		$this->markTestSkipped('[CoreLibsCreateSessionTest] No implementation '
 			. 'for Create\Session. Cannot run session_start in CLI');
 	}
+
+	/**
+	 * provider for session name check
+	 *
+	 * @return array
+	 */
+	public function sessionNameProvider(): array
+	{
+		// 0: string for session
+		// 1: expected return
+		return [
+			'valid name' => [
+				'abc',
+				true
+			],
+			'valid name longer' => [
+				'something-abc-123',
+				true
+			],
+			'invalid name' => [
+				'abc#abc',
+				false
+			],
+			'only numbers' => [
+				'123',
+				false
+			],
+			'longer than 128 chars' => [
+				'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz'
+					. 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz'
+					. 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz',
+				false
+			],
+			'too short' => [
+				'',
+				false
+			],
+		];
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::checkValidSessionName
+	 * @dataProvider sessionNameProvider
+	 * @testdox checkValidSessionName $input seessionn name is $expected [$_dataName]
+	 *
+	 * @param  string $input
+	 * @param  bool   $expected
+	 * @return void
+	 */
+	public function testCheckValidSessionName(string $input, bool $expected): void
+	{
+		$this->assertEquals(
+			$expected,
+			\CoreLibs\Create\Session::checkValidSessionName($input)
+		);
+	}
 }
 
 // __END__

4dev/tests/CoreLibsDebugLoggingTest.php

@@ -6,6 +6,8 @@ namespace tests;
 
 use PHPUnit\Framework\TestCase;
 
+// TODO: setLogPer test log file written matches pattern
+
 /**
  * Test class for Debug\Logging
  * @coversDefaultClass \CoreLibs\Debug\Logging

phpstan-baseline.neon

@@ -1,7 +1,72 @@
 parameters:
 	ignoreErrors:
 		-
-			message: "#^Parameter \\#1 \\$result of function pg_result_error expects resource, object\\|resource\\|true given\\.$#"
+			message: "#^Parameter \\#1 \\$connection of function pg_connection_busy expects PgSql\\\\Connection, object\\|resource given\\.$#"
+			count: 3
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$connection of function pg_connection_status expects PgSql\\\\Connection, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$connection of function pg_get_result expects PgSql\\\\Connection, object\\|resource given\\.$#"
+			count: 2
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$connection of function pg_meta_data expects PgSql\\\\Connection, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$connection of function pg_send_query expects PgSql\\\\Connection, object\\|resource given\\.$#"
+			count: 2
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$connection of function pg_socket expects PgSql\\\\Connection, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$connection of function pg_version expects PgSql\\\\Connection\\|null, object\\|resource given\\.$#"
+			count: 2
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$result of function pg_affected_rows expects PgSql\\\\Result, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$result of function pg_fetch_all expects PgSql\\\\Result, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$result of function pg_fetch_array expects PgSql\\\\Result, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$result of function pg_field_name expects PgSql\\\\Result, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$result of function pg_num_fields expects PgSql\\\\Result, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$result of function pg_num_rows expects PgSql\\\\Result, object\\|resource given\\.$#"
+			count: 1
+			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
+
+		-
+			message: "#^Parameter \\#1 \\$result of function pg_result_error expects PgSql\\\\Result, object\\|resource given\\.$#"
 			count: 1
 			path: www/lib/CoreLibs/DB/SQL/PgSQL.php
 

phpstan.neon

@@ -24,7 +24,9 @@ parameters:
 		# do not check old qq file uploader tests
 		- www/admin/qq_file_upload_*.php
 		# ignore all test files
-		- www/admin/class_test*php
+		- www/admin/class_test*.php
+		# extra in sub folder
+		- www/admin/subfolder/class_test*.php
 		- www/admin/error_test.php
 		# admin synlink files
 		- www/admin/edit_*.php
@@ -47,9 +49,12 @@ parameters:
 		- www/vendor
 	# ignore errores with
 	ignoreErrors:
-		- # this error is ignore because of the PHP 8.0 to 8.1 change for pg_*
+		- # this error is ignore because of the PHP 8.0 to 8.1 change for pg_*, only for 8.0 or lower
 			message: "#^Parameter \\#1 \\$(result|connection) of function pg_\\w+ expects resource(\\|null)?, object\\|resource(\\|bool)? given\\.$#"
 			path: %currentWorkingDirectory%/www/lib/CoreLibs/DB/SQL/PgSQL.php
+		- # this is for 8.1 or newer
+			message: "#^Parameter \\#1 \\$(result|connection) of function pg_\\w+ expects PgSql\\\\(Result|Connection(\\|null)?), object\\|resource given\\.$#"
+			path: %currentWorkingDirectory%/www/lib/CoreLibs/DB/SQL/PgSQL.php
 		# this is ignored for now
 		# - '#Expression in empty\(\) is always falsy.#'
 		# -

www/admin/class_test.admin.backend.php

@@ -23,14 +23,12 @@ define('USE_DATABASE', true);
 require 'config.php';
 // override ECHO ALL FALSE
 $ECHO_ALL = true;
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-admin';
+$SET_SESSION_NAME = EDIT_SESSION_NAME;
 ob_end_flush();
 
+$session = new CoreLibs\Create\Session($SET_SESSION_NAME);
 $log = new CoreLibs\Debug\Logging([
 	'log_folder' => BASE . LOG,
 	'file_id' => $LOG_FILE_ID,
@@ -49,12 +47,14 @@ $l10n = new \CoreLibs\Language\L10n(
 	$locale['domain'],
 	$locale['path'],
 );
-$backend = new CoreLibs\Admin\Backend($db, $log, $l10n, $locale);
+$backend = new CoreLibs\Admin\Backend($db, $log, $session, $l10n, $locale);
 
+$PAGE_NAME = 'TEST CLASS: ADMIN BACKEND';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: ADMIN BACKEND</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // set acl, from eg login acl
 print "SETACL[]: " . $backend->setACL(['EMPTY' => 'EMPTY']) . "<br>";

www/admin/class_test.array.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-array';
 ob_end_flush();
@@ -45,10 +41,12 @@ $log = new CoreLibs\Debug\Logging([
 // $_array = new CoreLibs\Combined\ArrayHandler();
 // $array_class = 'CoreLibs\Combination\ArrayHandler';
 
+$PAGE_NAME = 'TEST CLASS: ARRAY HANDLER';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: ARRAY HANDLER</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // recursive array search
 $test_array = [

www/admin/class_test.autoloader.php

@@ -20,10 +20,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-autoloader';
 ob_end_flush();
@@ -32,10 +28,12 @@ ob_end_flush();
 
 use CoreLibs\Convert\Byte;
 
+$PAGE_NAME = 'TEST CLASS: AUTOLOADER';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: AUTOLOADER</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $bytes = 10242424;
 $_bytes = Byte::humanReadableByteFormat($bytes);

www/admin/class_test.byte.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-byte';
 ob_end_flush();
@@ -43,10 +39,12 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 $byte_class = 'CoreLibs\Convert\Byte';
 
+$PAGE_NAME = 'TEST CLASS: BYTE CONVERT';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: BYTE CONVERT</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // class
 $byte = 254779258;

www/admin/class_test.colors.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-colors';
 ob_end_flush();
@@ -44,10 +40,12 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 $color_class = 'CoreLibs\Convert\Colors';
 
+$PAGE_NAME = 'TEST CLASS: COLORS';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: COLORS</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // define a list of from to color sets for conversion test
 

www/admin/class_test.config.direct.php

@@ -36,11 +36,12 @@ $log = new CoreLibs\Debug\Logging([
 	'print_all' => $PRINT_ALL ?? false,
 ]);
 
+$PAGE_NAME = 'TEST CLASS: CONFIG DIRECT';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: CONFIG DIRECT</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
-print '<div><b>CONFIG DIRECT</b></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 print "DIR: " . DIR . "<br>";
 print "BASE: " . BASE . "<br>";

www/admin/class_test.config.link.php

@@ -36,11 +36,12 @@ $log = new CoreLibs\Debug\Logging([
 	'print_all' => $PRINT_ALL ?? false,
 ]);
 
+$PAGE_NAME = 'TEST CLASS: CONFIG LINK';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: CONFIG LINK</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
-print '<div><b>CONFIG LINK</b></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 print "DIR: " . DIR . "<br>";
 print "BASE: " . BASE . "<br>";

www/admin/class_test.datetime.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-datetime';
 ob_end_flush();
@@ -44,10 +40,12 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 $datetime_class = 'CoreLibs\Combined\DateTime';
 
+$PAGE_NAME = 'TEST CLASS: DATE/TIME';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: DATE/TIME</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // class
 $timestamp = 1622788315.123456;

www/admin/class_test.db.php

@@ -39,10 +39,12 @@ $log = new CoreLibs\Debug\Logging([
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
 $db->log->debug('START', '=============================>');
 
+$PAGE_NAME = 'TEST CLASS: DB';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: DB</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 print "LOGFILE NAME: " . $db->log->getSetting('log_file_name') . "<br>";
 print "LOGFILE ID: " . $db->log->getSetting('log_file_id') . "<br>";

www/admin/class_test.debug.php

@@ -44,10 +44,12 @@ $debug = new CoreLibs\Debug\Logging([
 $debug_support_class = 'CoreLibs\Debug\Support';
 $debug_logging_class = 'CoreLibs\Debug\Logging';
 
+$PAGE_NAME = 'TEST CLASS: DEBUG';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: DEBUG</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 function test()
 {
@@ -173,6 +175,12 @@ print "GETCALLERCLASS(NON CLASS): " . \CoreLibs\Debug\Support::getCallerClass()
 print "S::FSETFILENAME: " . FileWriter::fsetFilename('class_test_debug_file.log') . "<br>";
 print "S::FDEBUG: " . FileWriter::fdebug('CLASS TEST DEBUG FILE: ' . date('Y-m-d H:i:s')) . "<br>";
 
+// test per level
+$debug->setLogPer('level', true);
+$debug->debug('TEST PER LEVEL', 'Per level test');
+$debug->debug('()', 'Per level test: invalid chars');
+$debug->setLogPer('level', false);
+
 // error message
 // future DEPRECATED
 // $debug->debug('BASIC CLASS', 'Debug test');

www/admin/class_test.email.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-email';
 ob_end_flush();
@@ -43,10 +39,12 @@ $log = new CoreLibs\Debug\Logging([
 	'print_all' => $PRINT_ALL ?? false,
 ]);
 
+$PAGE_NAME = 'TEST CLASS: HTML/ELEMENTS';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: HTML/ELEMENTS</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // regex get
 print "S::GETEMAILREGEX(0): " . Email::getEmailRegex(0) . "<br>";

www/admin/class_test.encoding.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-encoding';
 ob_end_flush();
@@ -48,10 +44,12 @@ $_chk_enc = new CoreLibs\Check\Encoding();
 $_con_enc = new CoreLibs\Convert\Encoding();
 $chk_enc = 'CoreLibs\Check\Encoding';
 
+$PAGE_NAME = 'TEST CLASS: ENCODING (CHECK/CONVERT/MIME)';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: ENCODING (CHECK/CONVERT/MIME)</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // print "Valid encoding: ".$log->printAr(mb_list_encodings())."<br>";
 

www/admin/class_test.file.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-datetime';
 ob_end_flush();
@@ -42,10 +38,12 @@ $log = new CoreLibs\Debug\Logging([
 	'print_all' => $PRINT_ALL ?? false,
 ]);
 
+$PAGE_NAME = 'TEST CLASS: FILE';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: FILE</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $file = '/some/path/to/some/file.txt';
 print "GETFILENAMEENDING: $file: " . File::getFilenameEnding($file) . "<br>";

www/admin/class_test.hash.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-hash';
 ob_end_flush();
@@ -45,10 +41,12 @@ $hash_class = 'CoreLibs\Create\Hash';
 
 // define a list of from to color sets for conversion test
 
+$PAGE_NAME = 'TEST CLASS: HASH';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: HASH</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $to_crc = 'Some text block';
 // static

www/admin/class_test.html.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-html';
 ob_end_flush();
@@ -49,10 +45,12 @@ $elements_class = 'CoreLibs\Output\Form\Elements';
 
 // define a list of from to color sets for conversion test
 
+$PAGE_NAME = 'TEST CLASS: HTML/ELEMENTS';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: HTML/ELEMENTS</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $string = "Something < = > Other <br> Next line";
 print "HTMLENT: " . Html::htmlent($string) . ": " . $_html->htmlent($string) . "<br>";

www/admin/class_test.image.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-image';
 ob_end_flush();
@@ -46,10 +42,12 @@ $image_class = 'CoreLibs\Output\Image';
 
 // define a list of from to color sets for conversion test
 
+$PAGE_NAME = 'TEST CLASS: IMAGE';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: IMAGE</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // thumb sizes
 $thumb_width = 250;

www/admin/class_test.json.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-json';
 ob_end_flush();
@@ -46,10 +42,12 @@ $json_class = 'CoreLibs\Convert\Json';
 
 // define a list of from to color sets for conversion test
 
+$PAGE_NAME = 'TEST CLASS: JSON';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: JSON</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $json = '{"foo": "bar"}';
 $output = Json::jsonConvertToArray($json);

www/admin/class_test.lang.php

@@ -21,18 +21,16 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-lang';
 ob_end_flush();
 
+$PAGE_NAME = 'TEST CLASS: LANG';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: LANG</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 use CoreLibs\Language\L10n;
 use CoreLibs\Debug\Support;

www/admin/class_test.login.php

@@ -21,13 +21,11 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-login';
+$SET_SESSION_NAME = EDIT_SESSION_NAME;
 // init login & backend class
+$session = new CoreLibs\Create\Session($SET_SESSION_NAME);
 $log = new CoreLibs\Debug\Logging([
 	'log_folder' => BASE . LOG,
 	'file_id' => $LOG_FILE_ID,
@@ -39,13 +37,15 @@ $log = new CoreLibs\Debug\Logging([
 	'print_all' => $PRINT_ALL ?? false,
 ]);
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
-$login = new CoreLibs\ACL\Login($db, $log);
+$login = new CoreLibs\ACL\Login($db, $log, $session);
 ob_end_flush();
 
+$PAGE_NAME = 'TEST CLASS: LOGIN';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: LOGIN</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 echo "CHECK PERMISSION: " . ($login->loginCheckPermissions() ? 'OK' : 'BAD') . "<br>";
 echo "IS ADMIN: " . ($login->loginIsAdmin() ? 'OK' : 'BAD') . "<br>";

www/admin/class_test.math.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-math';
 ob_end_flush();
@@ -44,10 +40,12 @@ $math_class = 'CoreLibs\Convert\Math';
 
 // define a list of from to color sets for conversion test
 
+$PAGE_NAME = 'TEST CLASS: MATH';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: MATH</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 print "FCEIL: " . $_math->fceil(5.1234567890, 5) . "<br>";
 print "FLOORP: " . $_math->floorp(5123456, -3) . "<br>";

www/admin/class_test.mime.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-mime';
 ob_end_flush();
@@ -41,10 +37,12 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 $_mime = new CoreLibs\Convert\MimeAppName();
 
+$PAGE_NAME = 'TEST CLASS: MIME';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: MIME</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $mime = 'application/illustrator';
 print "MIME $mime: " . $_mime->mimeGetAppName($mime) . "<br>";

www/admin/class_test.output.form.php

@@ -23,10 +23,6 @@ define('USE_DATABASE', true);
 require 'config.php';
 // override ECHO ALL FALSE
 $ECHO_ALL = true;
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-form';
 ob_end_flush();
@@ -69,10 +65,12 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 $form = new CoreLibs\Output\Form\Generate(DB_CONFIG, $log);
 
+$PAGE_NAME = 'TEST CLASS: FORM GENERATE';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: FORM GENERATE</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 print "MOBILE PHONE: " . $form->mobile_phone . "<br>";
 // sets table array to include

www/admin/class_test.password.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-pass';
 ob_end_flush();
@@ -46,10 +42,12 @@ $password_class = 'CoreLibs\Check\Password';
 
 // define a list of from to color sets for conversion test
 
+$PAGE_NAME = 'TEST CLASS: PASSWORD';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: PASSWORD</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $password = 'something1234';
 $enc_password = $_password->passwordSet($password);

www/admin/class_test.php

@@ -21,14 +21,12 @@ ob_start();
 define('USE_DATABASE', true);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest';
+$SET_SESSION_NAME = EDIT_SESSION_NAME;
 
 // init login & backend class
+$session = new CoreLibs\Create\Session($SET_SESSION_NAME);
 $log = new CoreLibs\Debug\Logging([
 	'log_folder' => BASE . LOG,
 	'file_id' => $LOG_FILE_ID,
@@ -40,14 +38,14 @@ $log = new CoreLibs\Debug\Logging([
 	'print_all' => $PRINT_ALL ?? false,
 ]);
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
-$login = new CoreLibs\ACL\Login($db, $log);
+$login = new CoreLibs\ACL\Login($db, $log, $session);
 $locale = \CoreLibs\Language\GetLocale::setLocale();
 $l10n = new \CoreLibs\Language\L10n(
 	$locale['locale'],
 	$locale['domain'],
 	$locale['path'],
 );
-$backend = new CoreLibs\Admin\Backend($db, $log, $l10n, $locale);
+$backend = new CoreLibs\Admin\Backend($db, $log, $session, $l10n, $locale);
 $backend->db->dbInfo(true);
 ob_end_flush();
 
@@ -81,6 +79,7 @@ print '<div><a href="class_test.debug.php">Class Test: DEBUG</a></div>';
 print '<div><a href="class_test.output.form.php">Class Test: OUTPUT FORM</a></div>';
 print '<div><a href="class_test.admin.backend.php">Class Test: BACKEND ADMIN CLASS</a></div>';
 print '<div><a href="class_test.lang.php">Class Test: LANG/L10n</a></div>';
+print '<div><a href="class_test.session.php">Class Test: SESSION</a></div>';
 print '<div><a href="class_test.smarty.php">Class Test: SMARTY</a></div>';
 print '<div><a href="class_test.login.php">Class Test: LOGIN</a></div>';
 print '<div><a href="class_test.autoloader.php">Class Test: AUTOLOADER</a></div>';

www/admin/class_test.phpv.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-phpv';
 ob_end_flush();
@@ -46,10 +42,12 @@ $phpv_class = 'CoreLibs\Check\PhpVersion';
 
 // define a list of from to color sets for conversion test
 
+$PAGE_NAME = 'TEST CLASS: PHP VERSION';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: PHP VERSION</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $min_version_s = '7';
 $min_version_ss = '7.1';

www/admin/class_test.randomkey.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-randomkey';
 ob_end_flush();
@@ -43,10 +39,12 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 $array_class = 'CoreLibs\Create\RandomKey';
 
+$PAGE_NAME = 'TEST CLASS: RANDOM KEY';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: RANDOM KEY</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $key_length = 10;
 $key_length_b = 5;

www/admin/class_test.readenvfile.php

@@ -14,10 +14,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-readEnvFile';
 ob_end_flush();
@@ -34,10 +30,12 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 $ref_class = 'CoreLibs\Get\ReadEnvFile';
 
+$PAGE_NAME = 'TEST CLASS: READ ENV FILE';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: READ ENV FILE</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 print "ALREADY from config.php: " . \CoreLibs\Debug\Support::printAr($_ENV) . "<br>";
 

www/admin/class_test.runningtime.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-runningtime';
 ob_end_flush();
@@ -42,10 +38,12 @@ $log = new CoreLibs\Debug\Logging([
 	'print_all' => $PRINT_ALL ?? false,
 ]);
 
+$PAGE_NAME = 'TEST CLASS: RUNNING TIME';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: RUNNING IMTE</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 RunningTime::hrRunningTime();
 RunningTime::runningTime();

www/admin/class_test.session.php

@@ -0,0 +1,168 @@
+<?php // phpcs:ignore warning
+
+declare(strict_types=1);
+
+$DEBUG_ALL_OVERRIDE = 0; // set to 1 to debug on live/remote server locations
+$DEBUG_ALL = 1;
+$PRINT_ALL = 1;
+$DB_DEBUG = 1;
+
+if ($DEBUG_ALL) {
+	error_reporting(E_ALL | E_STRICT | E_ERROR | E_WARNING | E_PARSE | E_COMPILE_ERROR);
+}
+
+/**
+ * Undocumented function
+ *
+ * @param  int    $status
+ * @return string
+ */
+/** @phan-suppress-next-line PhanRedefineFunction */
+function getSessionStatusString(int $status): string
+{
+	switch ($status) {
+		case PHP_SESSION_DISABLED:
+			$status = 'PHP_SESSION_DISABLED';
+			break;
+		case PHP_SESSION_NONE:
+			$status = 'PHP_SESSION_NONE';
+			break;
+		case PHP_SESSION_ACTIVE:
+			$status = 'PHP_SESSION_ACTIVE';
+			break;
+		default:
+			$status = '[!] UNDEFINED';
+			break;
+	}
+	return $status;
+}
+
+ob_start();
+
+// basic class test file
+define('USE_DATABASE', false);
+// sample config
+require 'config.php';
+// define log file id
+$LOG_FILE_ID = 'classTest-session';
+ob_end_flush();
+
+$log = new CoreLibs\Debug\Logging([
+	'log_folder' => BASE . LOG,
+	'file_id' => $LOG_FILE_ID,
+	// add file date
+	'print_file_date' => true,
+	// set debug and print flags
+	'debug_all' => $DEBUG_ALL ?? false,
+	'echo_all' => $ECHO_ALL ?? false,
+	'print_all' => $PRINT_ALL ?? false,
+]);
+use CoreLibs\Create\Session;
+$session = new Session();
+
+$PAGE_NAME = 'TEST CLASS: SESSION';
+print "<!DOCTYPE html>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
+print "<body>";
+print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
+
+$session_name = 'class-test-session';
+$var = 'foo';
+$value = 'bar';
+
+foreach (['123', '123-123', '123abc'] as $_session_name) {
+	print "[UNSET] Session Name valid for " . $_session_name . ": "
+		. ($session->checkValidSessionName($_session_name) ? 'Valid' : 'Invalid') . "<br>";
+}
+
+echo "Global session name: " . ($GLOBALS['SET_SESSION_NAME'] ?? '-') . "<br>";
+
+print "[UNSET] Current session id: " . $session->getSessionId() . "<br>";
+print "[UNSET] Current session name: " . $session->getSessionName() . "<br>";
+print "[UNSET] Current session active: " . ($session->checkActiveSession() ? 'Yes' : 'No') . "<br>";
+print "[UNSET] Current session status: " . getSessionStatusString($session->getSessionStatus()) . "<br>";
+if (isset($_SESSION)) {
+	print "[UNSET] _SESSION is: set<br>";
+} else {
+	print "[UNSET] _SESSION is: not set<br>";
+}
+#
+print "[UNSET] To set session name valid: "
+	. ($session->checkValidSessionName($session_name) ? 'Valid' : 'Invalid') . "<br>";
+if (false === ($session_id = $session->startSession($session_name))) {
+	print "[FAILED] Session start failed: " . $session->getErrorStr() . "<br>";
+} else {
+	print "[SET] Current session id: " . $session_id . "<br>";
+}
+// set again
+if (false === ($session_id = $session->startSession($session_name))) {
+	print "[2 FAILED] Session start failed: " . $session->getErrorStr() . "<br>";
+} else {
+	print "[2 SET] Current session id: " . $session_id . "<br>";
+}
+print "[SET] Current session id: " . $session->getSessionId() . "<br>";
+print "[SET] Current session name: " . $session->getSessionName() . "<br>";
+print "[SET] Current session active: " . ($session->checkActiveSession() ? 'Yes' : 'No') . "<br>";
+print "[SET] Current session status: " . getSessionStatusString($session->getSessionStatus()) . "<br>";
+if (isset($_SESSION)) {
+	print "[SET] _SESSION is: set<br>";
+} else {
+	print "[SET] _SESSION is: not set<br>";
+}
+if (!isset($_SESSION['counter'])) {
+	$_SESSION['counter'] = 0;
+}
+$_SESSION['counter']++;
+print "[READ] A " . $var . ": " . ($_SESSION[$var] ?? '{UNSET}') . "<br>";
+$_SESSION[$var] = $value;
+print "[READ] B " . $var . ": " . ($_SESSION[$var] ?? '{UNSET}') . "<br>";
+print "[READ] Confirm " . $var . " is " . $value . ": "
+	. (($_SESSION[$var] ?? '') == $value ? 'Matching' : 'Not matching') . "<br>";
+
+// differnt session name
+$session_name = 'class-test-session-ALT';
+if (false === ($session_id = $session->startSession($session_name))) {
+	print "[3 FAILED] Session start failed: " . $session->getErrorStr() . "<br>";
+} else {
+	print "[3 SET] Current session id: " . $session_id . "<br>";
+}
+print "[SET AGAIN] Current session id: " . $session->getSessionId() . "<br>";
+
+print "[ALL SESSION]: " . \CoreLibs\Debug\Support::printAr($_SESSION) . "<br>";
+
+// close session
+$session->writeClose();
+// will never be written
+$_SESSION['will_never_be_written'] = 'empty';
+
+// open again
+$session_name = 'class-test-session';
+if (false === ($session_id = $session->startSession($session_name))) {
+	print "[4 FAILED] Session start failed: " . $session->getErrorStr() . "<br>";
+} else {
+	print "[4 SET] Current session id: " . $session_id . "<br>";
+}
+print "[START AGAIN] Current session id: " . $session->getSessionId() . "<br>";
+$_SESSION['will_be_written_again'] = 'Full';
+
+// close session
+$session->writeClose();
+// invalid
+$session_name = '123';
+if (false === ($session_id = $session->startSession($session_name))) {
+	print "[5 FAILED] Session start failed: " . $session->getErrorStr() . "<br>";
+} else {
+	print "[5 SET] Current session id: " . $session_id . "<br>";
+}
+print "[BAD NAME] Current session id: " . $session->getSessionId() . "<br>";
+print "[BAD NAME] Current session name: " . $session->getSessionName() . "<br>";
+print "[BAD NAME] Current session active: " . ($session->checkActiveSession() ? 'Yes' : 'No') . "<br>";
+print "[BAD NAME] Current session status: " . getSessionStatusString($session->getSessionStatus()) . "<br>";
+
+// error message
+print $log->printErrorMsg();
+
+print "</body></html>";
+
+// __END__

www/admin/class_test.session.read.php

@@ -0,0 +1,110 @@
+<?php // phpcs:ignore warning
+
+declare(strict_types=1);
+
+$DEBUG_ALL_OVERRIDE = 0; // set to 1 to debug on live/remote server locations
+$DEBUG_ALL = 1;
+$PRINT_ALL = 1;
+$DB_DEBUG = 1;
+
+if ($DEBUG_ALL) {
+	error_reporting(E_ALL | E_STRICT | E_ERROR | E_WARNING | E_PARSE | E_COMPILE_ERROR);
+}
+
+/**
+ * Undocumented function
+ *
+ * @param  int    $status
+ * @return string
+ */
+/** @phan-suppress-next-line PhanRedefineFunction */
+function getSessionStatusString(int $status): string
+{
+	switch ($status) {
+		case PHP_SESSION_DISABLED:
+			$status = 'PHP_SESSION_DISABLED';
+			break;
+		case PHP_SESSION_NONE:
+			$status = 'PHP_SESSION_NONE';
+			break;
+		case PHP_SESSION_ACTIVE:
+			$status = 'PHP_SESSION_ACTIVE';
+			break;
+		default:
+			$status = '[!] UNDEFINED';
+			break;
+	}
+	return $status;
+}
+
+ob_start();
+
+// basic class test file
+define('USE_DATABASE', false);
+// sample config
+require 'config.php';
+// define log file id
+$LOG_FILE_ID = 'classTest-session.read';
+ob_end_flush();
+
+$log = new CoreLibs\Debug\Logging([
+	'log_folder' => BASE . LOG,
+	'file_id' => $LOG_FILE_ID,
+	// add file date
+	'print_file_date' => true,
+	// set debug and print flags
+	'debug_all' => $DEBUG_ALL ?? false,
+	'echo_all' => $ECHO_ALL ?? false,
+	'print_all' => $PRINT_ALL ?? false,
+]);
+use CoreLibs\Create\Session;
+$session = new Session();
+
+$PAGE_NAME = 'TEST CLASS: SESSION (READ)';
+print "<!DOCTYPE html>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
+print "<body>";
+print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
+
+$session_name = 'class-test-session';
+// $session_name = '';
+$var = 'foo';
+$value = 'bar';
+
+echo "Global session name: " . ($GLOBALS['SET_SESSION_NAME'] ?? '-') . "<br>";
+
+print "[UNSET] Current session id: " . $session->getSessionId() . "<br>";
+print "[UNSET] Current session name: " . $session->getSessionName() . "<br>";
+print "[UNSET] Current session active: " . ($session->checkActiveSession() ? 'Yes' : 'No') . "<br>";
+print "[UNSET] Current session status: " . getSessionStatusString($session->getSessionStatus()) . "<br>";
+
+print "[READ] " . $var . ": " . ($_SESSION[$var] ?? '{UNSET}') . "<br>";
+// start
+if (false === ($session_id = $session->startSession($session_name))) {
+	print "Session start failed: " . $session->getErrorStr() . "<br>";
+} else {
+	print "Current session id: " . $session_id . "<br>";
+}
+// set again
+if (false === ($session_id = $session->startSession($session_name))) {
+	print "[2] Session start failed<br>";
+} else {
+	print "[2] Current session id: " . $session_id . "<br>";
+}
+print "[SET] Current session id: " . $session->getSessionId() . "<br>";
+print "[SET] Current session name: " . $session->getSessionName() . "<br>";
+print "[SET] Current session active: " . ($session->checkActiveSession() ? 'Yes' : 'No') . "<br>";
+print "[SET] Current session status: " . getSessionStatusString($session->getSessionStatus()) . "<br>";
+print "[READ] " . $var . ": " . ($_SESSION[$var] ?? '{UNSET}') . "<br>";
+print "[READ] Confirm " . $var . " is " . $value . ": "
+	. (($_SESSION[$var] ?? '') == $value ? 'Matching' : 'Not matching') . "<br>";
+
+print "[ALL SESSION]: " . \CoreLibs\Debug\Support::printAr($_SESSION) . "<br>";
+
+// error message
+print $log->printErrorMsg();
+
+print "</body></html>";
+
+// __END__

www/admin/class_test.smarty.php

@@ -23,10 +23,6 @@ define('USE_DATABASE', true);
 require 'config.php';
 // override ECHO ALL FALSE
 $ECHO_ALL = true;
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-smarty';
 ob_end_flush();
@@ -49,10 +45,12 @@ $l10n = new \CoreLibs\Language\L10n(
 );
 $smarty = new CoreLibs\Template\SmartyExtend($l10n, $locale);
 
+$PAGE_NAME = 'TEST CLASS: SMARTY';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: SMARTY</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $smarty->DATA['JS_DEBUG'] = DEBUG;
 $smarty->MASTER_TEMPLATE_NAME = 'main_body.tpl';

www/admin/class_test.system.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-system';
 ob_end_flush();
@@ -42,23 +38,31 @@ $log = new CoreLibs\Debug\Logging([
 	'echo_all' => $ECHO_ALL ?? false,
 	'print_all' => $PRINT_ALL ?? false,
 ]);
-$basic = new CoreLibs\Basic($log);
 
+$PAGE_NAME = 'TEST CLASS: SYSTEM';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: SYSTEM</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
+print "System::getHostName():<br>";
 print "GETHOSTNAME: " . DgS::printAr(System::getHostName()) . "<br>";
+print "System::getPageName():<br>";
 print "GETPAGENAME(0): " . System::getPageName() . "<br>";
 print "GETPAGENAME(1): " . System::getPageName(System::NO_EXTENSION) . "<br>";
 print "GETPAGENAME(2): " . System::getPageName(System::FULL_PATH) . "<br>";
+print "System::getPageNameArray():<br>";
 print "GETPAGENAMEARRAY: " . \CoreLibs\Debug\Support::printAr(System::getPageNameArray()) . "<br>";
 // seting errro codes file upload
+print "System::fileUploadErrorMessage():<br>";
 print "FILEUPLOADERRORMESSAGE(): " . System::fileUploadErrorMessage(-1) . "<br>";
 print "FILEUPLOADERRORMESSAGE(UPLOAD_ERR_CANT_WRITE): "
 	. System::fileUploadErrorMessage(UPLOAD_ERR_CANT_WRITE) . "<br>";
 
+print "System::checkCLI():<br>";
+print "Are we in an CLI: " . (System::checkCLI() ? 'Yes' : 'No') . "<br>";
+
 // error message
 print $log->printErrorMsg();
 

www/admin/class_test.token.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-token';
 ob_end_flush();
@@ -42,10 +38,12 @@ $log = new CoreLibs\Debug\Logging([
 $_token = new CoreLibs\Output\Form\Token();
 $token_class = 'CoreLibs\Output\Form\Token';
 
+$PAGE_NAME = 'TEST CLASS: FORM TOKEN';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: FORM TOKEN</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 $token = 'test_form_token';
 $token_id = $_token->setFormToken($token);

www/admin/class_test.uids.php

@@ -21,10 +21,6 @@ ob_start();
 define('USE_DATABASE', false);
 // sample config
 require 'config.php';
-// set session name
-if (!defined('SET_SESSION_NAME')) {
-	define('SET_SESSION_NAME', EDIT_SESSION_NAME);
-}
 // define log file id
 $LOG_FILE_ID = 'classTest-uids';
 ob_end_flush();
@@ -43,10 +39,12 @@ $_uids = new CoreLibs\Create\Uids();
 use CoreLibs\Create\Uids;
 $uids_class = 'CoreLibs\Create\Uids';
 
+$PAGE_NAME = 'TEST CLASS: UIDS';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: UIDS</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 // class
 print "UUIDV4: " . $_uids->uuidv4() . "<br>";

www/admin/subfolder/class_test.config.direct.php

@@ -36,11 +36,12 @@ $log = new CoreLibs\Debug\Logging([
 	'print_all' => $PRINT_ALL ?? false,
 ]);
 
+$PAGE_NAME = 'TEST CLASS: CONFIG DIRECT SUB';
 print "<!DOCTYPE html>";
-print "<html><head><title>TEST CLASS: CONFIG DIRECT SUB</title><head>";
+print "<html><head><title>" . $PAGE_NAME . "</title><head>";
 print "<body>";
 print '<div><a href="../class_test.php">Class Test Master</a></div>';
-print '<div><b>CONFIG DIRECT SUB</b></div>';
+print '<div><h1>' . $PAGE_NAME . '</h1></div>';
 
 print "DIR: " . DIR . "<br>";
 print "BASE: " . BASE . "<br>";

www/configs/config.host.php

@@ -53,7 +53,10 @@ $SITE_CONFIG = [
 		'login_enabled' => true
 	],
 	// 'other.host.com' => $__LOCAL_CONFIG
-	'soba-dev.tequila.jp' => $__LOCAL_CONFIG
+	'soba-dev.tequila.jp' => $__LOCAL_CONFIG,
+	'soba.tequila.jp' => $__LOCAL_CONFIG,
+	'soba.teq.jp' => $__LOCAL_CONFIG,
+	'soba-local.tokyo.tequila.jp' => $__LOCAL_CONFIG,
 ];
 
 // __END__

www/configs/config.master.php

@@ -150,8 +150,6 @@ define('SERVER_PATH_HASH', hash('crc32b', BASE));
 define('EDIT_SESSION_NAME', BASE_NAME . 'Admin' . SERVER_NAME_HASH . SERVER_PATH_HASH);
 // frontend
 define('SESSION_NAME', BASE_NAME . SERVER_NAME_HASH . SERVER_PATH_HASH);
-// SET_SESSION_NAME should be set in the header if a special session name is needed
-define('SET_SESSION_NAME', SESSION_NAME);
 
 /************* CACHE/COMPILE IDS *************/
 define('CACHE_ID', 'CACHE_' . BASE_NAME . '_' . SERVER_NAME_HASH);

www/includes/admin_header.php

@@ -42,11 +42,11 @@ if (isset($_POST['action']) && $_POST['action'] != 'download_csv' && !$AJAX_PAGE
 if ($AJAX_PAGE && !$ZIP_STREAM) {
 	header("Content-Type: application/json; charset=UTF-8");
 }
-// start session
-CoreLibs\Create\Session::startSession();
 //------------------------------ basic variable settings start
 
 //------------------------------ class init start
+// start session
+$session = new \CoreLibs\Create\Session($SET_SESSION_NAME);
 // create logger
 $log = new CoreLibs\Debug\Logging([
 	'log_folder' => BASE . LOG,
@@ -71,7 +71,7 @@ if (
 // db config with logger
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
 // login & page access check
-$login = new CoreLibs\ACL\Login($db, $log);
+$login = new CoreLibs\ACL\Login($db, $log, $session);
 // lang, path, domain
 // pre auto detect language after login
 $locale = \CoreLibs\Language\GetLocale::setLocale();
@@ -84,7 +84,7 @@ $l10n = new \CoreLibs\Language\L10n(
 // create smarty object
 $smarty = new CoreLibs\Template\SmartyExtend($l10n, $locale);
 // create new Backend class with db and loger attached
-$cms = new CoreLibs\Admin\Backend($db, $log, $l10n, $locale);
+$cms = new CoreLibs\Admin\Backend($db, $log, $session, $l10n, $locale);
 // the menu show flag (what menu to show)
 $cms->menu_show_flag = 'main';
 // db info

www/includes/edit_base.php

@@ -33,8 +33,6 @@ extract($_POST, EXTR_SKIP);
 
 ob_start();
 require 'config.php';
-// set session name here
-// $SET_SESSION_NAME = EDIT_SESSION_NAME;
 // overrride debug flags
 if (!DEBUG)	{
 	$DEBUG_ALL = false;
@@ -45,8 +43,8 @@ if (!DEBUG)	{
 
 // should be utf8
 header("Content-type: text/html; charset=" . DEFAULT_ENCODING);
-// set session
+// start session
-\CoreLibs\Create\Session::startSession(EDIT_SESSION_NAME);
+$session = new \CoreLibs\Create\Session(EDIT_SESSION_NAME);
 // init logger
 $log = new CoreLibs\Debug\Logging([
 	'log_folder' => BASE . LOG,
@@ -60,7 +58,7 @@ $log = new CoreLibs\Debug\Logging([
 // db connection
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
 // login page
-$login = new CoreLibs\ACL\Login($db, $log);
+$login = new CoreLibs\ACL\Login($db, $log, $session);
 // lang, path, domain
 // pre auto detect language after login
 $locale = \CoreLibs\Language\GetLocale::setLocale();

www/lib/CoreLibs/ACL/Login.php

@@ -69,7 +69,6 @@ declare(strict_types=1);
 namespace CoreLibs\ACL;
 
 use CoreLibs\Check\Password;
-use CoreLibs\Create\Session;
 
 class Login
 {
@@ -162,24 +161,30 @@ class Login
 	public $db;
 	/** @var \CoreLibs\Language\L10n language */
 	public $l;
+	/** @var \CoreLibs\Create\Session session class */
+	public $session;
 
 	/**
 	 * constructor, does ALL, opens db, works through connection checks,
 	 * finishes itself
 	 *
-	 * @param \CoreLibs\DB\IO              $db   Database connection class
+	 * @param \CoreLibs\DB\IO          $db      Database connection class
-	 * @param \CoreLibs\Debug\Logging      $log  Logging class
+	 * @param \CoreLibs\Debug\Logging  $log     Logging class
+	 * @param \CoreLibs\Create\Session $session Session interface class
 	 */
 	public function __construct(
 		\CoreLibs\DB\IO $db,
-		\CoreLibs\Debug\Logging $log
+		\CoreLibs\Debug\Logging $log,
+		\CoreLibs\Create\Session $session
 	) {
+		// attach db class
+		$this->db = $db;
 		// log login data for this class only
 		$log->setLogPer('class', true);
 		// attach logger
 		$this->log = $log;
-		// attach db class
+		// attach session class
-		$this->db = $db;
+		$this->session = $session;
 		// set internal page name
 		$this->page_name = \CoreLibs\Get\System::getPageName();
 		// set db special errors
@@ -192,12 +197,9 @@ class Login
 		// initial the session if there is no session running already
 		// check if session exists and could be created
 		// TODO: move session creation and check to outside?
-		if (Session::startSession() === false) {
+		if ($this->session->checkActiveSession() === false) {
 			$this->login_error = 1;
-			echo '<b>Session not started or could not be started!</b><br>'
+			echo '<b>No active session found</b>';
-				. 'Use \'\CoreLibs\Create\Session::startSession();\'.<br>'
-				. 'For less problems with other session, you can set a '
-				. 'session name with \'\CoreLibs\Create\Session::startSession(\'name\');\'.<br>';
 			exit;
 		}
 
@@ -289,7 +291,7 @@ class Login
 		// ** LANGUAGE SET AFTER LOGIN **
 		// set the locale
 		if (
-			Session::getSessionId() !== false &&
+			$this->session->checkActiveSession() === true &&
 			!empty($_SESSION['DEFAULT_LANG'])
 		) {
 			$locale = $_SESSION['DEFAULT_LOCALE'] ?? '';
@@ -818,6 +820,7 @@ class Login
 		}
 		// set the default edit access
 		$this->acl['default_edit_access'] = $_SESSION['UNIT_DEFAULT'] ?? null;
+		$this->acl['min'] = [];
 		// integrate the type acl list, but only for the keyword -> level
 		foreach ($this->default_acl_list as $level => $data) {
 			$this->acl['min'][$data['type']] = $level;
@@ -846,6 +849,8 @@ class Login
 		) {
 			return false;
 		}
+		// phan claims $this->acl['min'] can be null, but above should skip
+		/** @phan-suppress-next-line PhanTypeArraySuspiciousNullable */
 		if ($this->acl[$source] >= $this->acl['min'][$min_access]) {
 			return true;
 		}
@@ -1366,7 +1371,7 @@ EOM;
 				$q .= "NULL, ";
 			}
 		}
-		$q .= "'" . Session::getSessionId() . "', ";
+		$q .= "'" . $this->session->getSessionId() . "', ";
 		$q .= "'" . $this->db->dbEscapeString($this->action) . "', ";
 		$q .= "'" . $this->db->dbEscapeString($this->username) . "', ";
 		$q .= "NULL, ";
@@ -1492,7 +1497,7 @@ EOM;
 	/**
 	 * Return ACL array as is
 	 *
-	 * @return array
+	 * @return array<mixed>
 	 */
 	public function loginGetAcl(): array
 	{

www/lib/CoreLibs/Admin/Backend.php

@@ -101,6 +101,8 @@ class Backend
 	public $db;
 	/** @var \CoreLibs\Language\L10n language */
 	public $l;
+	/** @var \CoreLibs\Create\Session session class */
+	public $session;
 	// smarty publics [end processing in smarty class]
 	/** @var array<mixed> */
 	public $DATA;
@@ -114,23 +116,27 @@ class Backend
 	// CONSTRUCTOR / DECONSTRUCTOR |====================================>
 	/**
 	 * main class constructor
-	 * @param \CoreLibs\DB\IO         $db     Database connection class
+	 * @param \CoreLibs\DB\IO          $db      Database connection class
-	 * @param \CoreLibs\Debug\Logging $log    Logging class
+	 * @param \CoreLibs\Debug\Logging  $log     Logging class
-	 * @param \CoreLibs\Language\L10n $l10n   l10n language class
+	 * @param \CoreLibs\Create\Session $session Session interface class
-	 * @param array<string,string>    $locale locale data read from setLocale
+	 * @param \CoreLibs\Language\L10n  $l10n    l10n language class
+	 * @param array<string,string>     $locale  locale data read from setLocale
 	 */
 	public function __construct(
 		\CoreLibs\DB\IO $db,
 		\CoreLibs\Debug\Logging $log,
+		\CoreLibs\Create\Session $session,
 		\CoreLibs\Language\L10n $l10n,
 		array $locale
 	) {
+		// attach db class
+		$this->db = $db;
 		// set to log not per class
 		$log->setLogPer('class', false);
 		// attach logger
 		$this->log = $log;
-		// attach db class
+		// attach session class
-		$this->db = $db;
+		$this->session = $session;
 		// get the language sub class & init it
 		$this->l = $l10n;
 		// parse and read, legacy stuff
@@ -232,9 +238,9 @@ class Backend
 			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_ACCEPT'] ?? '') . "', "
 			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_ACCEPT_CHARSET'] ?? '') . "', "
 			. "'" . $this->db->dbEscapeString($_SERVER['HTTP_ACCEPT_ENCODING'] ?? '') . "', "
-			. (\CoreLibs\Create\Session::getSessionId() === false ?
+			. ($this->session->getSessionId() === false ?
 				"NULL" :
-				"'" . \CoreLibs\Create\Session::getSessionId() . "'")
+				"'" . $this->session->getSessionId() . "'")
 			. ", "
 			. "'" . $this->db->dbEscapeString($this->action) . "', "
 			. "'" . $this->db->dbEscapeString($this->action_id) . "', "

www/lib/CoreLibs/Basic.php

@@ -66,6 +66,8 @@ class Basic
 	// logging interface, Debug\Logging class
 	/** @var \CoreLibs\Debug\Logging */
 	public $log;
+	/** @var\CoreLibs\Create\Session */
+	public $session;
 
 	// email valid checks
 	/** @var array<mixed> */
@@ -148,7 +150,7 @@ class Basic
 		$this->email_regex_check = \CoreLibs\Check\Email::getEmailRegexCheck();
 
 		// initial the session if there is no session running already
-		\CoreLibs\Create\Session::startSession($session_name);
+		$this->session = new \CoreLibs\Create\Session($session_name ?? '');
 	}
 
 	/**

www/lib/CoreLibs/Create/Session.php

@@ -6,10 +6,7 @@
  * start a php sesseion
  * name can be given via startSession parameter
  * if not set tries to read $SET_SESSION_NAME from global
- * if this is not set tries to read SET_SESSION_NAME constant
+ * else will use default set in php.ini
- *
- * TODO: add _SESSION write unset
- * TODO: add session close down with all _SESSION vars unset
  */
 
 declare(strict_types=1);
@@ -18,57 +15,113 @@ namespace CoreLibs\Create;
 
 class Session
 {
+	/** @var string list for errors*/
+	private $error_str = '';
+
 	/**
-	 * init a session
+	 * 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()
+	public function __construct(string $session_name = '')
 	{
+		if (!empty($session_name)) {
+			$this->startSession($session_name);
+		}
 	}
 
 	/**
-	 * Undocumented function
+	 * check if we are in CLI, we set this, so we can mock this too
+	 *
+	 * @return bool
+	 */
+	private function checkCLI(): bool
+	{
+		return \CoreLibs\Get\System::checkCLI();
+	}
+
+	/**
+	 * Return set error string, empty if none set
+	 *
+	 * @return string Last error string
+	 */
+	public function getErrorStr(): string
+	{
+		return $this->error_str;
+	}
+
+	/**
+	 * check if session name is valid
+	 *
+	 * As from PHP 8.1/8.0/7.4 error
+	 * INVALID CHARS: =,; \t\r\n\013\014
+	 * NOTE: using . will fail even thought valid
+	 * we allow only alphanumeric with - (dash) and 1 to 128 characters
+	 *
+	 * @param  string $session_name any string, not null
+	 * @return bool                 True for valid, False for invalid
+	 */
+	public static function checkValidSessionName(string $session_name): bool
+	{
+		// check
+		if (
+			// must only have those
+			!preg_match('/^[-a-zA-Z0-9]{1,128}$/', $session_name) ||
+			// cannot be only numbers
+			preg_match('/^[0-9]+$/', $session_name)
+		) {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * start 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
 	 */
-	public static function startSession(?string $session_name = null)
+	public function startSession(?string $session_name = null)
 	{
 		// we can't start sessions on command line
-		if (php_sapi_name() === 'cli') {
+		if ($this->checkCLI()) {
+			$this->error_str = '[SESSION] No sessions in php cli';
 			return false;
 		}
 		// if session are OFF
-		if (self::getSessionStatus() === PHP_SESSION_DISABLED) {
+		if ($this->getSessionStatus() === PHP_SESSION_DISABLED) {
+			$this->error_str = '[SESSION] Sessions are disabled';
 			return false;
 		}
 		// session_status
 		// initial the session if there is no session running already
-		if (!self::checkActiveSession()) {
+		if (!$this->checkActiveSession()) {
 			// if session name is emtpy, check if there is a global set
 			// this is a deprecated fallback
 			$session_name = $session_name ?? $GLOBALS['SET_SESSION_NAME'] ?? '';
-			// check if we have an external session name given, else skip this step
+			// DEPRECTED: constant SET_SESSION_NAME is no longer used
-			// this is a deprecated fallback
-			if (
-				empty($session_name) &&
-				defined('SET_SESSION_NAME') &&
-				!empty(SET_SESSION_NAME)
-			) {
-				// set the session name for possible later check
-				$session_name = SET_SESSION_NAME;
-			}
 			// if set, set special session name
 			if (!empty($session_name)) {
+				// invalid session name, abort
+				if (!$this->checkValidSessionName($session_name)) {
+					$this->error_str = '[SESSION] Invalid session name: ' . $session_name;
+					return false;
+				}
 				session_name($session_name);
 			}
 			// start session
 			session_start();
 		}
 		// if we still have no active session
-		if (!self::checkActiveSession()) {
+		if (!$this->checkActiveSession()) {
+			$this->error_str = '[SESSION] Failed to activate session';
 			return false;
 		}
-		return self::getSessionId();
+		return $this->getSessionId();
 	}
 
 	/**
@@ -76,7 +129,7 @@ class Session
 	 *
 	 * @return string|bool
 	 */
-	public static function getSessionId()
+	public function getSessionId()
 	{
 		return session_id();
 	}
@@ -86,7 +139,7 @@ class Session
 	 *
 	 * @return string|bool
 	 */
-	public static function getSessionName()
+	public function getSessionName()
 	{
 		return session_name();
 	}
@@ -95,17 +148,30 @@ class Session
 	 * Checks if there is an active session.
 	 * Does not check if we can have a session
 	 *
-	 * @return boolean True if there is an active session, else false
+	 * @return bool True if there is an active session, else false
 	 */
-	public static function checkActiveSession(): bool
+	public function checkActiveSession(): bool
 	{
-		if (self::getSessionStatus() === PHP_SESSION_ACTIVE) {
+		if ($this->getSessionStatus() === PHP_SESSION_ACTIVE) {
 			return true;
 		} else {
 			return false;
 		}
 	}
 
+	/**
+	 * unlock the session file, so concurrent AJAX requests can be done
+	 * NOTE: after this has been called, no changes in _SESSION will be stored
+	 * NOTE: a new session with a different name can be started after this one is called
+	 * if problem, run ob_flush() and flush() too
+	 *
+	 * @return bool True und sucess, false on failure
+	 */
+	public function writeClose(): bool
+	{
+		return session_write_close();
+	}
+
 	/**
 	 * get session status
 	 * PHP_SESSION_DISABLED if sessions are disabled.
@@ -116,7 +182,7 @@ class Session
 	 *
 	 * @return int
 	 */
-	public static function getSessionStatus(): int
+	public function getSessionStatus(): int
 	{
 		return session_status();
 	}

www/lib/CoreLibs/DB/SQL/PgSQL.php

@@ -604,7 +604,7 @@ class PgSQL implements \CoreLibs\DB\SQL\SqlInterface\SqlFunctions
 			return '';
 		}
 		// extract element
-		$return_string = pg_version($this->dbh)[$parameter] ?? '';
+		$return_string = (string)(pg_version($this->dbh)[$parameter] ?? '');
 		// for version, strip if requested
 		if (
 			in_array($parameter, ['server']) &&

www/lib/CoreLibs/Debug/Logging.php

@@ -365,7 +365,18 @@ class Logging
 		}
 		$fn = str_replace('##DATE##', $rpl_string, $fn); // create output filename
 
-		$rpl_string = !$this->log_per_level ? '' : '_' . $level; // if request to write to one file
+		// write per level
+		$rpl_string = !$this->log_per_level ? '' :
+			// normalize level, replace all non alphanumeric characters with -
+			'_' . (
+				// if return is only - then set error string
+				preg_match(
+					"/^-+$/",
+					$level_string = preg_replace("/[^A-Za-z0-9-_]/", '-', $level) ?? ''
+				) ?
+					'INVALID-LEVEL-STRING' :
+					$level_string
+			);
 		$fn = str_replace('##LEVEL##', $rpl_string, $fn); // create output filename
 		// set per class, but don't use get_class as we will only get self
 		$rpl_string = !$this->log_per_class ? '' : '_'

www/lib/CoreLibs/Get/System.php

@@ -94,6 +94,24 @@ class System
 	{
 		return pathinfo($_SERVER['PHP_SELF']);
 	}
+
+	/**
+	 * Check if the php sapi interface has cli inside
+	 *
+	 * @return bool True for CLI type PHP, else false
+	 */
+	public static function checkCLI(): bool
+	{
+		return substr(
+			// if return is false, use empty string
+			(($sapi_name = php_sapi_name()) === false ?
+				'' :
+				$sapi_name
+			),
+			0,
+			3
+		) === 'cli' ? true : false;
+	}
 }
 
 // __END__

www/lib/Error.Handling.php

@@ -32,7 +32,8 @@ function MyErrorHandler(
 	int $line,
 	array $context = []
 ): bool {
-	if (!(error_reporting() & $type) && SHOW_ALL_ERRORS == false) {
+	/** @phpstan-ignore-next-line cannot check show all errors constant */
+	if (!(error_reporting() & $type) && SHOW_ALL_ERRORS === false) {
 		// This error code is not included in error_reporting
 		return false;
 	}