Update Language\L10n class and drop all legacy code

new Langauge\GetLocale::setLocale() for getting new type lang info from
session, etc
L10n class call chnage of parameters:
NEW: locale, domain, path
OLD: locale, path, domain, legacy(bool)

Temporary auto detect for possible path/domain switch if domain value
has slash inside

Rename all local files to names matching locale folder
en_US -> en

Delete lang folders with symlinks as they are no longer used

Update all header files and class Backend\Admin, ACL\Login,
Output\Form\Generate, Template\SmartyExtend with new language order:
call ::setLocale() afer login class

Update missing test translation strings in all po files

Update phpUnit tests to match all new changes

4dev/locale/en-admin.po

@@ -8,13 +8,13 @@
 
 msgid ""
 msgstr ""
-"Project-Id-Version: en_US.UTF-8 LC_MESSAGES admin\n"
+"Project-Id-Version: en.UTF-8 LC_MESSAGES admin\n"
 "Report-Msgid-Bugs-To: clemens.schwaighofer@egplusww.com\n"
 "POT-Creation-Date: 2018-03-28 10:40+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: clemens.schwaighofer@egplusww.co\n"
 "Language-Team: E-GRAPHICS COMMUNICATIONS Japan <info.jp@egplusww.com>\n"
-"Language: en_US\n"
+"Language: en\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -32,20 +32,20 @@ msgstr "OUTPUT TEST ADMIN EN"
 # testing multi
 msgid "single"
 msgid_plural "multi"
-msgstr[0] "Multi Admin en_US 0"
-msgstr[1] "Multi Admin en_US 1"
-msgstr[2] "Multi Admin en_US 2"
+msgstr[0] "Multi Admin en 0"
+msgstr[1] "Multi Admin en 1"
+msgstr[2] "Multi Admin en 2"
 
 msgctxt "month name"
 msgid "May"
-msgstr "May Admin en_US"
+msgstr "May Admin en"
 
 msgctxt "month name"
 msgid "single"
 msgid_plural "multi"
-msgstr[0] "Multi Admin month en_US 0"
-msgstr[1] "Multi Admin month en_US 1"
-msgstr[2] "Multi Admin month en_US 2"
+msgstr[0] "Multi Admin month en 0"
+msgstr[1] "Multi Admin month en 1"
+msgstr[2] "Multi Admin month en 2"
 
 msgid "I should be translated"
 msgstr "I should be translated: I WAS TRANSLATED"

4dev/locale/en-frontend.po

@@ -2,13 +2,13 @@
 
 msgid ""
 msgstr ""
-"Project-Id-Version: en_US.UTF-8 LC_MESSAGES frontend\n"
+"Project-Id-Version: en.UTF-8 LC_MESSAGES frontend\n"
 "Report-Msgid-Bugs-To: clemens.schwaighofer@egplusww.com\n"
 "POT-Creation-Date: 2018-03-28 10:40+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: clemens.schwaighofer@egplusww.co\n"
 "Language-Team: E-GRAPHICS COMMUNICATIONS Japan <info.jp@egplusww.com>\n"
-"Language: en_US\n"
+"Language: en\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -19,6 +19,6 @@ msgstr "OUTPUT TEST FRONTEND EN"
 
 msgid "single"
 msgid_plural "multi"
-msgstr[0] "Multi frontend en_US 0"
-msgstr[1] "Multi frontend en_US 1"
-msgstr[2] "Multi frontend en_US 2"
+msgstr[0] "Multi frontend en 0"
+msgstr[1] "Multi frontend en 1"
+msgstr[2] "Multi frontend en 2"

4dev/locale/ja-admin.po

@@ -8,7 +8,7 @@
 
 msgid ""
 msgstr ""
-"Project-Id-Version: ja_JP.UTF-8 LC_MESSAGES admin\n"
+"Project-Id-Version: ja.UTF-8 LC_MESSAGES admin\n"
 "Report-Msgid-Bugs-To: clemens.schwaighofer@egplusww.com\n"
 "POT-Creation-Date: 2018-03-28 10:40+0900\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
@@ -69,9 +69,20 @@ msgstr "OUTPUT TEST ADMIN JA"
 # testing multi
 msgid "single"
 msgid_plural "multi"
-msgstr[0] "Multi Admin ja_JP 0"
-msgstr[1] "Multi Admin ja_JP 1"
-msgstr[2] "Multi Admin ja_JP 2"
+msgstr[0] "Multi Admin ja 0"
+msgstr[1] "Multi Admin ja 1"
+msgstr[2] "Multi Admin ja 2"
+
+msgctxt "month name"
+msgid "May"
+msgstr "May Admin ja"
+
+msgctxt "month name"
+msgid "single"
+msgid_plural "multi"
+msgstr[0] "Multi Admin month ja 0"
+msgstr[1] "Multi Admin month ja 1"
+msgstr[2] "Multi Admin month ja 2"
 
 # login string
 msgid "Hello %s"

4dev/locale/ja-frontend.po

@@ -2,7 +2,23 @@
 
 msgid ""
 msgstr ""
+"Project-Id-Version: ja.UTF-8 LC_MESSAGES frontend\n"
+"Report-Msgid-Bugs-To: clemens.schwaighofer@egplusww.com\n"
+"POT-Creation-Date: 2018-03-28 10:40+0900\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: clemens.schwaighofer@egplusww.com\n"
+"Language-Team: E-GRAPHICS COMMUNICATIONS Japan <info.jp@egplusww.com>\n"
+"Language: ja\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1)\n"
 
 msgid "INPUT TEST"
 msgstr "OUTPUT TEST FRONTEND JA"
+
+msgid "single"
+msgid_plural "multi"
+msgstr[0] "Multi frontend ja 0"
+msgstr[1] "Multi frontend ja 1"
+msgstr[2] "Multi frontend ja 2"

4dev/tests/CoreLibsLanguageGetLocaleTest.php

@@ -0,0 +1,291 @@
+<?php // phpcs:disable Generic.Files.LineLength
+
+declare(strict_types=1);
+
+namespace tests;
+
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test class for Language\GetLocale
+ *
+ * @coversDefaultClass \CoreLibs\Language\GetLocale
+ * @testdox \CoreLibs\Language\GetLocale method tests
+ */
+final class CoreLibsLanguageGetLocaleTest extends TestCase
+{
+	/**
+	 * set all constant variables that must be set before call
+	 *
+	 * @return void
+	 */
+	public static function setUpBeforeClass(): void
+	{
+		// default web page encoding setting
+		define('DEFAULT_ENCODING', 'UTF-8');
+		// default lang + encoding
+		define('DEFAULT_LOCALE', 'en_US.UTF-8');
+		// site
+		define('SITE_ENCODING', DEFAULT_ENCODING);
+		define('SITE_LOCALE', DEFAULT_LOCALE);
+		// just set
+		define('BASE', str_replace('/configs', '', __DIR__) . DIRECTORY_SEPARATOR);
+		define('INCLUDES', 'includes' . DIRECTORY_SEPARATOR);
+		define('LOCALE', 'locale' . DIRECTORY_SEPARATOR);
+		define('CONTENT_PATH', 'frontend' . DIRECTORY_SEPARATOR);
+		// array session
+		$_SESSION = [];
+		global $_SESSION;
+	}
+
+	/**
+	 * all the test data
+	 *
+	 * @return array
+	 */
+	public function setLocaleProvider(): array
+	{
+		return [
+			// 0: locale
+			// 1: domain
+			// 2: encoding
+			// 3: path
+			// 4: SESSION: DEFAULT_LOCALE
+			// 5: SESSION: DEFAULT_CHARSET
+			// 6: expected array
+			'no params, all default constants' => [
+				// lang, domain, encoding, path
+				null, null, null, null,
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				null, null,
+				// return array
+				[
+					'locale' => 'en_US.UTF-8',
+					'lang' => 'en_US',
+					'domain' => 'frontend',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?includes\/locale\/$/",
+				],
+			],
+			'no params, session charset and lang' => [
+				// lang, domain, encoding, path
+				null, null, null, null,
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				'ja_JP', 'UTF-8',
+				// return array
+				[
+					'locale' => 'ja_JP',
+					'lang' => 'ja_JP',
+					'domain' => 'frontend',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?includes\/locale\/$/",
+				],
+			],
+			'no params, session charset and lang short' => [
+				// lang, domain, encoding, path
+				null, null, null, null,
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				'ja', 'UTF-8',
+				// return array
+				[
+					'locale' => 'ja',
+					'lang' => 'ja',
+					'domain' => 'frontend',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?includes\/locale\/$/",
+				],
+			],
+			// param lang (no sessions)
+			'locale param only, no sessions' => [
+				// lang, domain, encoding, path
+				'ja.UTF-8', null, null, null,
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				null, null,
+				// return array
+				[
+					'locale' => 'ja.UTF-8',
+					'lang' => 'ja',
+					'domain' => 'frontend',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?includes\/locale\/$/",
+				],
+			],
+			// different locale setting
+			'locale complex param only, no sessions' => [
+				// lang, domain, encoding, path
+				'ja_JP.SJIS', null, null, null,
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				null, null,
+				// return array
+				[
+					'locale' => 'ja_JP.SJIS',
+					'lang' => 'ja_JP',
+					'domain' => 'frontend',
+					'encoding' => 'SJIS',
+					'path' => "/^\/(.*\/)?includes\/locale\/$/",
+				],
+			],
+			// param lang and domain (no override)
+			'locale, domain params, no sessions' => [
+				// lang, domain, encoding, path
+				'ja.UTF-8', 'admin', null, null,
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				null, null,
+				// return array
+				[
+					'locale' => 'ja.UTF-8',
+					'lang' => 'ja',
+					'domain' => 'admin',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?includes\/locale\/$/",
+				],
+			],
+			// param lang and domain (no override)
+			'locale, domain, encoding params, no sessions' => [
+				// lang, domain, encoding, path
+				'ja.UTF-8', 'admin', 'UTF-8', null,
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				null, null,
+				// return array
+				[
+					'locale' => 'ja.UTF-8',
+					'lang' => 'ja',
+					'domain' => 'admin',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?includes\/locale\/$/",
+				],
+			],
+			// lang, domain, path (no override)
+			'locale, domain and path, no sessions' => [
+				// lang, domain, encoding, path
+				'ja.UTF-8', 'admin', '', __DIR__ . '/locale_other/',
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				null, null,
+				// return array
+				[
+					'locale' => 'ja.UTF-8',
+					'lang' => 'ja',
+					'domain' => 'admin',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?locale_other\/$/",
+				],
+			],
+			// all params set (no override)
+			'all parameter, no sessions' => [
+				// lang, domain, encoding, path
+				'ja', 'admin', 'UTF-8', __DIR__ . '/locale_other/',
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				null, null,
+				// return array
+				[
+					'locale' => 'ja',
+					'lang' => 'ja',
+					'domain' => 'admin',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?locale_other\/$/",
+				],
+			],
+			// param lang and domain (no override)
+			'long locale, domain, encoding params, no sessions' => [
+				// lang, domain, encoding, path
+				'de_CH.UTF-8@euro', 'admin', 'UTF-8', null,
+				// SESSION DEFAULT_LOCALE, SESSION: DEFAULT_CHARSET
+				null, null,
+				// return array
+				[
+					'locale' => 'de_CH.UTF-8@euro',
+					'lang' => 'de_CH',
+					'domain' => 'admin',
+					'encoding' => 'UTF-8',
+					'path' => "/^\/(.*\/)?includes\/locale\/$/",
+				],
+			],
+			// TODO invalid params (bad path) (no override)
+			// TODO param calls, but with override set
+		];
+	}
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::setLocale
+	 * @dataProvider setLocaleProvider
+	 * @testdox lang settings lang $language, domain $domain, encoding $encoding, path $path; session lang: $SESSION_DEFAULT_LOCALE, session char: $SESSION_DEFAULT_CHARSET [$_dataName]
+	 *
+	 * @return void
+	 */
+	public function testsetLocale(
+		?string $language,
+		?string $domain,
+		?string $encoding,
+		?string $path,
+		?string $SESSION_DEFAULT_LOCALE,
+		?string $SESSION_DEFAULT_CHARSET,
+		array $expected,
+	): void {
+		$return_lang_settings = [];
+		global $_SESSION;
+		// set override
+		if ($SESSION_DEFAULT_LOCALE !== null) {
+			$_SESSION['DEFAULT_LOCALE'] = $SESSION_DEFAULT_LOCALE;
+		}
+		if ($SESSION_DEFAULT_CHARSET !== null) {
+			$_SESSION['DEFAULT_CHARSET'] = $SESSION_DEFAULT_CHARSET;
+		}
+		// function call
+		if ($language === null && $domain === null && $encoding === null && $path === null) {
+			$return_lang_settings  = \CoreLibs\Language\GetLocale::setLocale();
+		} elseif ($language !== null && $domain === null && $encoding === null && $path === null) {
+			$return_lang_settings  = \CoreLibs\Language\GetLocale::setLocale(
+				$language
+			);
+		} elseif ($language !== null && $domain !== null && $encoding === null && $path === null) {
+			$return_lang_settings  = \CoreLibs\Language\GetLocale::setLocale(
+				$language,
+				$domain
+			);
+		} elseif ($language !== null && $domain !== null && $encoding !== null && $path === null) {
+			$return_lang_settings  = \CoreLibs\Language\GetLocale::setLocale(
+				$language,
+				$domain,
+				$encoding
+			);
+		} else {
+			$return_lang_settings  = \CoreLibs\Language\GetLocale::setLocale(
+				$language,
+				$domain,
+				$encoding,
+				$path
+			);
+		}
+		// print "RETURN: " . print_r($return_lang_settings, true) . "\n";
+
+		foreach (
+			[
+				'locale', 'lang', 'domain', 'encoding', 'path'
+			] as $key
+		) {
+			$value = $expected[$key];
+			if (strpos($value, "/") === 0) {
+				// this is regex
+				$this->assertMatchesRegularExpression(
+					$value,
+					$return_lang_settings[$key],
+					'assert regex failed for ' . $key
+				);
+			} else {
+				// assert equal
+				$this->assertEquals(
+					$value,
+					$return_lang_settings[$key],
+					'assert equal failed for ' . $key
+				);
+			}
+		}
+		// unset all vars
+		$_SESSION = [];
+		unset($GLOBALS['OVERRIDE_LANG']);
+	}
+}
+
+// __END__

4dev/tests/CoreLibsLanguageL10nTest.php

@@ -87,44 +87,20 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	{
 		return [
 			// 0: locale
-			// 1: path
-			// 2: domain
-			// 3: legacy load (Default true)
+			// 1: domain
+			// 2: encoding
+			// 3: path
 			// 4: locale expected
 			// 5: domain exepcted
 			// 6: context (null for none)
 			// 7: test string in
 			// 8: test translated
-			'legacy load en' => [
-				'en_utf8',
-				null,
-				null,
-				null,
-				//
-				'en_utf8',
-				'',
-				//
-				null,
-				'Original',
-				'Translated frontend en_US',
-			],
-			'legacy load ja' => [
-				'ja_utf8',
-				null,
-				null,
-				null,
-				'ja_utf8',
-				'',
-				null,
-				'Original',
-				'Translated frontend ja_JP',
-			],
 			// new style load
 			'gettext load en' => [
 				'en_US.UTF-8',
-				__DIR__ . 'includes/locale/',
 				'frontend',
-				false,
+				__DIR__ . 'includes/locale/',
+				//
 				'en_US.UTF-8',
 				'frontend',
 				null,
@@ -133,9 +109,9 @@ final class CoreLibsLanguageL10nTest extends TestCase
 			],
 			'gettext load en' => [
 				'en_US.UTF-8',
-				__DIR__ . 'includes/locale/',
 				'frontend',
-				false,
+				__DIR__ . 'includes/locale/',
+				//
 				'en_US.UTF-8',
 				'frontend',
 				'context',
@@ -144,32 +120,33 @@ final class CoreLibsLanguageL10nTest extends TestCase
 			],
 			'gettext load ja' => [
 				'ja_JP.UTF-8',
-				__DIR__ . 'includes/locale/',
 				'admin',
-				false,
+				__DIR__ . 'includes/locale/',
+				//
 				'ja_JP.UTF-8',
 				'admin',
 				null,
 				'Original',
 				'Translated admin ja_JP',
 			],
-			// null set locale legacy
-			'empty load legacy' => [
-				null,
-				null,
-				null,
-				null,
-				'',
-				'',
-				null,
-				'Original',
+			// mixed path and domain
+			'mixed path and domain' => [
+				'en_US.UTF-8',
+				__DIR__ . 'includes/locale/',
+				'frontend',
+				//
+				'en_US.UTF-8',
+				'frontend',
+				'context',
 				'Original',
+				'Original context frontend en_US',
 			],
+			// null set
 			'empty load new ' => [
 				'',
 				'',
 				'',
-				false,
+				//
 				'',
 				'',
 				null,
@@ -187,9 +164,8 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 * @testdox check l10n init with Locale $locale, Path $path, Domain $domain, Legacy: $legacy with $context [$_dataName]
 	 *
 	 * @param  string|null $locale
-	 * @param  string|null $path
 	 * @param  string|null $domain
-	 * @param  bool|null   $legacy
+	 * @param  string|null $path
 	 * @param  string      $locale_expected
 	 * @param  string      $domain_expected
 	 * @param  ?string     $context
@@ -199,9 +175,8 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 */
 	public function testL10nObject(
 		?string $locale,
-		?string $path,
 		?string $domain,
-		?bool $legacy,
+		?string $path,
 		string $locale_expected,
 		string $domain_expected,
 		?string $context,
@@ -210,14 +185,12 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	): void {
 		if ($locale === null) {
 			$l10n = new \CoreLibs\Language\L10n();
-		} elseif ($path === null) {
-			$l10n = new \CoreLibs\Language\L10n($locale);
 		} elseif ($domain === null) {
-			$l10n = new \CoreLibs\Language\L10n($locale, $path);
-		} elseif ($legacy === null) {
-			$l10n = new \CoreLibs\Language\L10n($locale, $path, $domain);
+			$l10n = new \CoreLibs\Language\L10n($locale);
+		} elseif ($path === null) {
+			$l10n = new \CoreLibs\Language\L10n($locale, $domain);
 		} else {
-			$l10n = new \CoreLibs\Language\L10n($locale, $path, $domain, $legacy);
+			$l10n = new \CoreLibs\Language\L10n($locale, $domain, $path);
 		}
 		// print "LOC: " . $locale . ", " . $l10n->getLocale() . ", " . $locale_expected . "\n";
 		// print "MO: " . $l10n->getMoFile() . "\n";
@@ -259,94 +232,64 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	{
 		return [
 			// 0: locale
-			// 1: path
-			// 2: domain
-			// 3: legacy flag
+			// 1: domain
+			// 2: path
+			// 3: load error
 			// 4: input string to translated
 			// 5: expected locale
 			// 6: expected domain
 			// 7: expected translation
 			// 8: change locale
-			// 9: change path
-			// 10: change domain
-			// 11: legacy flag
+			// 9: change domain
+			// 10: change path
+			// 11: change load error
 			// 12: expected locale
 			// 13: expected domain
 			// 14: expected translation
-			'legacy load and change (en->ja)' => [
-				// set 0-3
-				'en_utf8',
-				null,
-				null,
-				null,
-				// status 4
-				false,
-				// to translate 5
-				'Original',
-				// check setter 6-8
-				'en_utf8',
-				'',
-				'Translated frontend en_US',
-				// set new 9-12
-				'ja_utf8',
-				null,
-				null,
-				null,
-				// status new 13
-				false,
-				// check new setter 14-16
-				'ja_utf8',
-				'',
-				'Translated frontend ja_JP',
-			],
 			'load and change (en->ja)' => [
-				// set 0-3
+				// set 0-2
 				'en_US.UTF-8',
-				__DIR__ . 'includes/locale/',
 				'frontend',
+				__DIR__ . 'includes/locale/',
+				// status 3
 				false,
-				// status 4
-				false,
-				// to translate 5
+				// to translate 4
 				'Original',
-				// check setter 6-8
+				// check setter 5-7
 				'en_US.UTF-8',
 				'frontend',
 				'Translated frontend en_US',
-				// set new 9-12
+				// set new 8-10
 				'ja_JP.UTF-8',
-				__DIR__ . 'includes/locale/',
 				'frontend',
+				__DIR__ . 'includes/locale/',
+				// status new 11
 				false,
-				// status new 13
-				false,
-				// check new setter 14-16
+				// check new setter 12-14
 				'ja_JP.UTF-8',
 				'frontend',
 				'Translated frontend ja_JP',
 			],
 			'empty load and change to en' => [
-				// set 0-3
+				// set 0-2
 				'',
 				'',
 				'',
+				// status 3
 				false,
-				// status 4
-				false,
-				// to translate 5
+				// to translate 4
 				'Original',
-				// check setter 6-8
+				// check setter 5-7
 				'',
 				'',
 				'Original',
-				// set new 9-12
+				// set new 8-10
 				'en_US.UTF-8',
-				__DIR__ . 'includes/locale/',
 				'frontend',
+				__DIR__ . 'includes/locale/',
+				// status new 11
 				false,
-				// status new 13
-				false,
-				// check new setter 14-16
+				// check new setter 12-14
 				'en_US.UTF-8',
 				'frontend',
 				'Translated frontend en_US',
@@ -363,18 +306,16 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 * @testdox change locale from $locale and domain $domain to locale $locale_new and domain $domain_new [$_dataName]
 	 *
 	 * @param  string|null $locale
-	 * @param  string|null $path
 	 * @param  string|null $domain
-	 * @param  bool|null   $legacy
+	 * @param  string|null $path
 	 * @param  bool        $load_error
 	 * @param  string      $original
 	 * @param  string      $locale_expected_a
 	 * @param  string      $domain_expected_a
 	 * @param  string      $translated_a
 	 * @param  string|null $locale_new
-	 * @param  string|null $path_new
 	 * @param  string|null $domain_new
-	 * @param  bool|null   $legacy_new
+	 * @param  string|null $path_new
 	 * @param  bool        $load_error_new
 	 * @param  string      $locale_expected_b
 	 * @param  string      $domain_expected_b
@@ -382,41 +323,37 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 * @return void
 	 */
 	public function testGetTranslator(
-		// 0-3
+		// 0-2
 		?string $locale,
-		?string $path,
 		?string $domain,
-		?bool $legacy,
-		// 4
+		?string $path,
+		// 3
 		bool $load_error,
-		// 5
+		// 4
 		string $original,
-		// 6-8
+		// 5-7
 		string $locale_expected_a,
 		string $domain_expected_a,
 		string $translated_a,
-		// 9-12
+		// 8-10
 		?string $locale_new,
-		?string $path_new,
 		?string $domain_new,
-		?bool $legacy_new,
-		// 13
+		?string $path_new,
+		// 11
 		bool $load_error_new,
-		// 14-16
+		// 12-14
 		string $locale_expected_b,
 		string $domain_expected_b,
 		string $translated_b,
 	): void {
 		if ($locale === null) {
 			$l10n = new \CoreLibs\Language\L10n();
-		} elseif ($path === null) {
-			$l10n = new \CoreLibs\Language\L10n($locale);
 		} elseif ($domain === null) {
-			$l10n = new \CoreLibs\Language\L10n($locale, $path);
-		} elseif ($legacy === null) {
-			$l10n = new \CoreLibs\Language\L10n($locale, $path, $domain);
+			$l10n = new \CoreLibs\Language\L10n($locale);
+		} elseif ($path === null) {
+			$l10n = new \CoreLibs\Language\L10n($locale, $domain);
 		} else {
-			$l10n = new \CoreLibs\Language\L10n($locale, $path, $domain, $legacy);
+			$l10n = new \CoreLibs\Language\L10n($locale, $domain, $path);
 		}
 		// print "LOC: " . $locale . ", " . $l10n->getLocale() . ", " . $locale_expected . "\n";
 		// status check
@@ -441,67 +378,39 @@ final class CoreLibsLanguageL10nTest extends TestCase
 			'Translated string init assert failed'
 		);
 
-		// do reload with legacy l10nReloadMOfile IF legacy is null or true
-		// use getTranslator if legacy is false
-		if ($legacy === null || $legacy === true) {
-			// there is no null/empty locale allowed directly
-			// if empty will set previous one
-			if ($path_new === null) {
-				$ret_status = $l10n->l10nReloadMOfile($locale_new);
-			} elseif ($domain_new === null) {
-				$ret_status = $l10n->l10nReloadMOfile($locale_new, $path_new);
-			} elseif ($legacy_new === null) {
-				$ret_status = $l10n->l10nReloadMOfile($locale_new, $path_new, $domain_new);
-			} else {
-				$ret_status = $l10n->l10nReloadMOfile($locale_new, $path_new, $domain_new, $legacy_new);
-			}
-			// status check
-			$this->assertEquals(
-				$load_error_new,
-				$l10n->getLoadError(),
-				'Legacy method load error change check'
-			);
-			// retun status check is inverted to load error check
-			$this->assertEquals(
-				$load_error_new ? false : true,
-				$ret_status,
-				'Legacy return load error change check'
-			);
+		// switch
+		if ($locale_new === null) {
+			$translator = $l10n->getTranslator();
+		} elseif ($domain_new === null) {
+			$translator = $l10n->getTranslator($locale_new);
+		} elseif ($path_new === null) {
+			$translator = $l10n->getTranslator($locale_new, $domain_new);
 		} else {
-			if ($locale_new === null) {
-				$translator = $l10n->getTranslator();
-			} elseif ($path_new === null) {
-				$translator = $l10n->getTranslator($locale_new);
-			} elseif ($domain_new === null) {
-				$translator = $l10n->getTranslator($locale_new, $path_new);
-			} elseif ($legacy_new === null) {
-				$translator = $l10n->getTranslator($locale_new, $path_new, $domain_new);
-			} else {
-				$translator = $l10n->getTranslator($locale_new, $path_new, $domain_new, $legacy_new);
-			}
-			// status check
-			$this->assertEquals(
-				$load_error_new,
-				$l10n->getLoadError(),
-				'Translate method load error change check'
-			);
-			// check that returned is class GetTextReader and object
-			$this->assertIsObject(
-				$translator,
-				'translater class is object assert failed'
-			);
-			$this->assertInstanceOf(
-				'\CoreLibs\Language\Core\GetTextReader',
-				$translator,
-				'translator class is correct instance assert failed'
-			);
-			// translator class
-			$this->assertEquals(
-				$translated_b,
-				$translator->gettext($original),
-				'Translated string change assert failed from returned class'
-			);
+			$translator = $l10n->getTranslator($locale_new, $domain_new, $path_new);
 		}
+		// status check
+		$this->assertEquals(
+			$load_error_new,
+			$l10n->getLoadError(),
+			'Translate method load error change check'
+		);
+		// check that returned is class GetTextReader and object
+		$this->assertIsObject(
+			$translator,
+			'translater class is object assert failed'
+		);
+		$this->assertInstanceOf(
+			'\CoreLibs\Language\Core\GetTextReader',
+			$translator,
+			'translator class is correct instance assert failed'
+		);
+
+		// translator class
+		$this->assertEquals(
+			$translated_b,
+			$translator->gettext($original),
+			'Translated string change assert failed from returned class'
+		);
 		// new set check
 		$this->assertEquals(
 			$locale_expected_b,
@@ -520,16 +429,14 @@ final class CoreLibsLanguageL10nTest extends TestCase
 		);
 	}
 
-	// TODO: test all translation types
-	// __/gettext
-	// __n/ngettext
+	// TODO: domain based
 	// ->dgettext
 	// ->dngettext
 	// ->dpgettext
 	// ->dpngettext
 
 	/**
-	 * Undocumented function
+	 * for plural and plural context
 	 *
 	 * @return array
 	 */
@@ -579,9 +486,10 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	}
 
 	/**
-	 * Undocumented function
+	 * plural and plural context
 	 *
 	 * @covers ::__n
+	 * @covers ::__pn
 	 * @dataProvider ngettextProvider
 	 * @testdox plural string test for locale $locale and domain $domain with $context [$_dataName]
 	 *
@@ -640,21 +548,39 @@ final class CoreLibsLanguageL10nTest extends TestCase
 				'en',
 				[
 					'en',
-				]
+				],
+				[
+					'lang' => 'en',
+					'country' => null,
+					'charset' => null,
+					'modifier' => null,
+				],
 			],
 			'en.UTF-8' => [
 				'en.UTF-8',
 				[
 					'en.UTF-8',
 					'en',
-				]
+				],
+				[
+					'lang' => 'en',
+					'country' => null,
+					'charset' => 'UTF-8',
+					'modifier' => null,
+				],
 			],
 			'en_US' => [
 				'en_US',
 				[
 					'en_US',
 					'en',
-				]
+				],
+				[
+					'lang' => 'en',
+					'country' => 'US',
+					'charset' => null,
+					'modifier' => null,
+				],
 			],
 			'en_US.UTF-8' => [
 				'en_US.UTF-8',
@@ -662,7 +588,13 @@ final class CoreLibsLanguageL10nTest extends TestCase
 					'en_US.UTF-8',
 					'en_US',
 					'en',
-				]
+				],
+				[
+					'lang' => 'en',
+					'country' => 'US',
+					'charset' => 'UTF-8',
+					'modifier' => null,
+				],
 			],
 			'en_US@subtext' => [
 				'en_US@subtext',
@@ -671,7 +603,13 @@ final class CoreLibsLanguageL10nTest extends TestCase
 					'en@subtext',
 					'en_US',
 					'en',
-				]
+				],
+				[
+					'lang' => 'en',
+					'country' => 'US',
+					'charset' => null,
+					'modifier' => 'subtext',
+				],
 			],
 			'en_US.UTF-8@subtext' => [
 				'en_US.UTF-8@subtext',
@@ -682,7 +620,13 @@ final class CoreLibsLanguageL10nTest extends TestCase
 					'en_US.UTF-8',
 					'en_US',
 					'en',
-				]
+				],
+				[
+					'lang' => 'en',
+					'country' => 'US',
+					'charset' => 'UTF-8',
+					'modifier' => 'subtext',
+				],
 			]
 		];
 	}
@@ -695,16 +639,24 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 * @testdox check $locale [$_dataName]
 	 *
 	 * @param string $locale
-	 * @param array $expected
+	 * @param array $expected_list
+	 * @param array $expected_detail
 	 * @return void
 	 */
-	public function testListLocales(string $locale, array $expected): void
+	public function testListLocales(string $locale, array $expected_list, array $expected_detail): void
 	{
+		$locale_detail = \CoreLibs\Language\L10n::parseLocale($locale);
+		$this->assertEquals(
+			$expected_detail,
+			$locale_detail,
+			'Parse local assert failed'
+		);
 		$locale_list = \CoreLibs\Language\L10n::listLocales($locale);
 		// print "LOCALES: " . print_r($locale_list, true) . "\n";
 		$this->assertEquals(
-			$expected,
-			$locale_list
+			$expected_list,
+			$locale_list,
+			'List locale assert failed'
 		);
 	}
 
@@ -971,23 +923,23 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	{
 		return [
 			// 0: lang/locale
-			// 1: path
-			// 2: domain
+			// 1: domain
+			// 2: path
 			// 3: encoding
 			// 4: string
 			// 5: translated string
 			'standard en' => [
 				'en_US.UTF-8',
-				__DIR__ . 'includes/locale/',
 				'frontend',
+				__DIR__ . 'includes/locale/',
 				'UTF-8',
 				'Original',
 				'Translated frontend en_US',
 			],
 			'standard ja' => [
 				'ja_JP.UTF-8',
-				__DIR__ . 'includes/locale/',
 				'admin',
+				__DIR__ . 'includes/locale/',
 				'UTF-8',
 				'Original',
 				'Translated admin ja_JP',
@@ -1008,8 +960,8 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 * @dataProvider functionsProvider
 	 * @testdox check functions with locale $locale and domain $domain [$_dataName]
 	 * @param  string $locale
-	 * @param  string $path
 	 * @param  string $domain
+	 * @param  string $path
 	 * @param  string $encoding
 	 * @param  string $original
 	 * @param  string $translated
@@ -1017,8 +969,8 @@ final class CoreLibsLanguageL10nTest extends TestCase
 	 */
 	public function testFunctions(
 		string $locale,
-		string $path,
 		string $domain,
+		string $path,
 		string $encoding,
 		string $original,
 		string $translated

4dev/tests/includes/lang/admin/en_utf8.mo

@@ -1 +0,0 @@
-../../locale/en_US/LC_MESSAGES/admin.mo

4dev/tests/includes/lang/admin/ja_utf8.mo

@@ -1 +0,0 @@
-../../locale/ja_JP/LC_MESSAGES/admin.mo

4dev/tests/includes/lang/frontend/en_utf8.mo

@@ -1 +0,0 @@
-../../locale/en_US/LC_MESSAGES/frontend.mo

4dev/tests/includes/lang/frontend/ja_utf8.mo

@@ -1 +0,0 @@
-../../locale/ja_JP/LC_MESSAGES/frontend.mo

www/admin/class_test.admin.backend.php

@@ -43,7 +43,13 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 // db config with logger
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
-$backend = new CoreLibs\Admin\Backend($db, $log);
+$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);
 
 print "<!DOCTYPE html>";
 print "<html><head><title>TEST CLASS: ADMIN BACKEND</title><head>";
@@ -51,7 +57,7 @@ print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
 
 // set acl, from eg login acl
-print "SETACL[]: " . $backend->setACL([]) . "<br>";
+print "SETACL[]: " . $backend->setACL(['EMPTY' => 'EMPTY']) . "<br>";
 print "ADBEDITLOG: " . $backend->adbEditLog('CLASSTEST-ADMIN', 'Some info stirng') . "<br>";
 print "ADBTOPMENU(0): " . \CoreLibs\Debug\Support::printAr($backend->adbTopMenu()) . "<br>";
 print "ADBMSG: " . $backend->adbMsg('info', 'Message: %1$d', [1]) . "<br>";

www/admin/class_test.lang.php

@@ -19,8 +19,6 @@ ob_start();
 
 // basic class test file
 define('USE_DATABASE', false);
-// init language
-$lang = 'en_utf8';
 // sample config
 require 'config.php';
 // set session name
@@ -37,69 +35,43 @@ print "<body>";
 print '<div><a href="class_test.php">Class Test Master</a></div>';
 
 use CoreLibs\Language\L10n;
-
-$string = 'INPUT TEST';
-
-echo "<br><b>LEGACY TEST</b><br>";
-
-$lang = 'en_utf8';
-$l = new CoreLibs\Language\L10n($lang);
-echo "*<br>";
-echo "LANGUAGE WANT/SET: " . $lang  . '/' . $l->getLocale() . "<br>";
-echo "LANGUAGE FILE: " . $l->getMoFile() . "<br>";
-echo "LOAD ERROR: " . $l->getLoadError() . "<br>";
-echo "INPUT TEST: " . $string . " => " . $l->__($string) . "<br>";
-$single_string = 'single';
-$multi_string = 'multi';
-for ($n = 0; $n <= 3; $n++) {
-	echo "MULTI TEST $n: " . $single_string . "/" . $multi_string . " => "
-		. $l->__n($single_string, $multi_string, $n) . "<br>";
-}
-$context = "month name";
-$context_string = "May";
-echo "CONTEXT TRANSLATION: " . $context_string . " => " . $l->__p($context, $context_string) . "<br>";
-$single_string = 'single';
-$multi_string = 'multi';
-for ($n = 0; $n <= 3; $n++) {
-	echo "CONTEXT MULTI TEST $n: " . $single_string . "/" . $multi_string . " => "
-		. $l->__pn($context, $single_string, $multi_string, $n) . "<br>";
-}
-
-// switch to other language
-$lang = 'ja_utf8';
-$l->l10nReloadMOfile($lang);
-echo "*<br>";
-echo "LANGUAGE WANT/SET: " . $lang  . '/' . $l->getLocale() . "<br>";
-echo "LANGUAGE FILE: " . $l->getMoFile() . "<br>";
-echo "LOAD ERROR: " . $l->getLoadError() . "<br>";
-echo "INPUT TEST: " . $string . " => " . $l->__($string) . "<br>";
-// switch to non existing language
-$lang = 'tr_utf8';
-$l->l10nReloadMOfile($lang);
-echo "*<br>";
-echo "LANGUAGE WANT/SET: " . $lang  . '/' . $l->getLocale() . "<br>";
-echo "LANGUAGE FILE: " . $l->getMoFile() . "<br>";
-echo "LOAD ERROR: " . $l->getLoadError() . "<br>";
-echo "INPUT TEST: " . $string . " => " . $l->__($string) . "<br>";
+use CoreLibs\Debug\Support;
 
 echo "<br><b>LIST LOCALES</b><br>";
 
 $locale = 'en_US.UTF-8';
 $locales = CoreLibs\Language\L10n::listLocales($locale);
-print "[" . $locale . "] LOCALES: " . CoreLibs\Debug\Support::printAr($locales) . "<br>";
+print "[" . $locale . "] LOCALES: " . Support::printAr($locales) . "<br>";
 $locale = 'en.UTF-8';
 $locales = CoreLibs\Language\L10n::listLocales($locale);
-print "[" . $locale . "] LOCALES: " . CoreLibs\Debug\Support::printAr($locales) . "<br>";
+print "[" . $locale . "] LOCALES: " . Support::printAr($locales) . "<br>";
+
+echo "<br><b>LOCALE INFO</b><br>";
+$locale = 'en_US.UTF-8';
+$locale_info = CoreLibs\Language\L10n::parseLocale($locale);
+print "[" . $locale . "] INFO: " . Support::printAr($locale_info) . "<br>";
+$locale = 'en.UTF-8';
+$locale_info = CoreLibs\Language\L10n::parseLocale($locale);
+print "[" . $locale . "] INFO: " . Support::printAr($locale_info) . "<br>";
+
+echo "<br><b>AUTO DETECT</b><br>";
+
+$get_locale = \CoreLibs\Language\GetLocale::setLocale();
+print "[AUTO]: " . Support::printAr($get_locale) . "<br>";
+$get_locale = \CoreLibs\Language\GetLocale::setLocale('en', 'foo', 'ISO-8895');
+print "[OVERRIDE]: " . Support::printAr($get_locale) . "<br>";
 
 // try to load non existing
 echo "<br><b>NEW TYPE</b><br>";
+// translate string
+$string = 'INPUT TEST';
 // new path test
 $lang = 'ja';
 $domain = 'admin';
 $encoding = 'UTF-8';
 $path = BASE . INCLUDES . LOCALE;
-$l = new CoreLibs\Language\L10n($lang, $path, $domain, false);
-
+// load direct
+$l = new CoreLibs\Language\L10n($lang, $domain, $path);
 echo "*<br>";
 echo "LANGUAGE WANT/SET: " . $lang  . '/' . $l->getLocale() . "<br>";
 echo "DOMAIN WANT/SET: " . $domain  . '/' . $l->getDomain() . "<br>";
@@ -116,9 +88,45 @@ for ($n = 0; $n <= 3; $n++) {
 	echo "MULTI TEST $n: " . $single_string . "/" . $multi_string . " => "
 		. $l->__n($single_string, $multi_string, $n) . "<br>";
 }
-
+$context = "month name";
+$context_string = "May";
+echo "CONTEXT TRANSLATION: " . $context_string . " => " . $l->__p($context, $context_string) . "<br>";
+$single_string = 'single';
+$multi_string = 'multi';
+for ($n = 0; $n <= 3; $n++) {
+	echo "CONTEXT MULTI TEST $n: " . $single_string . "/" . $multi_string . " => "
+		. $l->__pn($context, $single_string, $multi_string, $n) . "<br>";
+}
+// change domain
 $domain = 'frontend';
-$l->getTranslator('', $path, $domain);
+$l->getTranslator('', $domain, $path);
+echo "*<br>";
+echo "LANGUAGE WANT/SET: " . $lang  . '/' . $l->getLocale() . "<br>";
+echo "DOMAIN WANT/SET: " . $domain  . '/' . $l->getDomain() . "<br>";
+echo "LANGUAGE FILE: " . $l->getMoFile() . "<br>";
+echo "CONTENT PATH: " . $l->getBaseContentPath() . "<br>";
+echo "DOMAIN PATH: " . $l->getTextDomain($domain) . "<br>";
+echo "BASE PATH: " . $l->getBaseLocalePath() . "<br>";
+echo "LOAD ERROR: " . $l->getLoadError() . "<br>";
+echo "INPUT TEST: " . $string . " => " . $l->__($string) . "<br>";
+echo "TROUGH LOAD: " . $l->getTranslatorClass()->gettext($string) . "<br>";
+// change language short type
+$lang = 'en';
+$domain = 'admin';
+$l->getTranslator($lang, $domain, $path);
+echo "*<br>";
+echo "LANGUAGE WANT/SET: " . $lang  . '/' . $l->getLocale() . "<br>";
+echo "DOMAIN WANT/SET: " . $domain  . '/' . $l->getDomain() . "<br>";
+echo "LANGUAGE FILE: " . $l->getMoFile() . "<br>";
+echo "CONTENT PATH: " . $l->getBaseContentPath() . "<br>";
+echo "DOMAIN PATH: " . $l->getTextDomain($domain) . "<br>";
+echo "BASE PATH: " . $l->getBaseLocalePath() . "<br>";
+echo "LOAD ERROR: " . $l->getLoadError() . "<br>";
+echo "INPUT TEST: " . $string . " => " . $l->__($string) . "<br>";
+echo "TROUGH LOAD: " . $l->getTranslatorClass()->gettext($string) . "<br>";
+// chang to wrong language
+$lang = 'tr';
+$l->getTranslator($lang, $domain, $path);
 echo "*<br>";
 echo "LANGUAGE WANT/SET: " . $lang  . '/' . $l->getLocale() . "<br>";
 echo "DOMAIN WANT/SET: " . $domain  . '/' . $l->getDomain() . "<br>";

www/admin/class_test.php

@@ -41,7 +41,13 @@ $log = new CoreLibs\Debug\Logging([
 ]);
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
 $login = new CoreLibs\ACL\Login($db, $log);
-$backend = new CoreLibs\Admin\Backend($db, $log);
+$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->db->dbInfo(true);
 ob_end_flush();
 
@@ -79,9 +85,10 @@ print '<div><a href="class_test.smarty.php">Class Test: SMARTY</a></div>';
 print '<div><a href="class_test.autoloader.php">Class Test: AUTOLOADER</a></div>';
 
 print "<hr>";
+print "L: " . CoreLibs\Debug\Support::printAr($locale) . "<br>";
 // print all _ENV vars set
 print "<div>READ _ENV ARRAY:</div>";
-print "<pre>" . print_r(array_map('htmlentities', $_ENV), true) . "</pre>";
+print CoreLibs\Debug\Support::printAr(array_map('htmlentities', $_ENV));
 // set + check edit access id
 $edit_access_id = 3;
 if (is_object($login) && isset($login->acl['unit'])) {

www/admin/class_test.smarty.php

@@ -19,8 +19,6 @@ ob_start();
 
 // basic class test file
 define('USE_DATABASE', true);
-// set language
-$lang = 'en_utf8';
 // sample config
 require 'config.php';
 // override ECHO ALL FALSE
@@ -43,8 +41,13 @@ $log = new CoreLibs\Debug\Logging([
 	'echo_all' => $ECHO_ALL ?? false,
 	'print_all' => $PRINT_ALL ?? false,
 ]);
-$smarty = new CoreLibs\Template\SmartyExtend();
-$l = new CoreLibs\Language\L10n($lang);
+$locale = \CoreLibs\Language\GetLocale::setLocale();
+$l10n = new \CoreLibs\Language\L10n(
+	$locale['locale'],
+	$locale['domain'],
+	$locale['path'],
+);
+$smarty = new CoreLibs\Template\SmartyExtend($l10n, $locale);
 
 print "<!DOCTYPE html>";
 print "<html><head><title>TEST CLASS: SMARTY</title><head>";
@@ -70,7 +73,7 @@ $smarty->setSmartyPaths();
 
 // smarty test
 $smarty->DATA['SMARTY_TEST'] = 'Test Data';
-$smarty->DATA['TRANSLATE_TEST'] = $l->__('Are we translated?');
+$smarty->DATA['TRANSLATE_TEST'] = $l10n->__('Are we translated?');
 $smarty->DATA['TRANSLATE_TEST_SMARTY'] = $smarty->l10n->__('Are we translated?');
 $smarty->DATA['replace'] = 'Replaced';
 // variable variables

www/includes/Date.Vars.php

@@ -1,77 +0,0 @@
-<?php
-
-/********************************************************************
-* AUTHOR: Clemens Schwaighofer
-* CREATED: 2005/07/19
-* SHORT DESCRIPTION:
-* preset date variables
-* HISTORY:
-*********************************************************************/
-
-declare(strict_types=1);
-
-/******
-All moved to CoreLibs\Combined\DateTime
-DAY_SHORT
-DAY_LONG
-MONTH_LONG
-MONTH_SHORT
-*******/
-trigger_error(
-	'Date.VArs.php is deprecated. '
-		. 'Use CoreLibs\Combined\DateTime:: with upper case old variable name',
-	E_USER_DEPRECATED
-);
-
-$day_short = [
-	1 => 'Mon',
-	2 => 'Tue',
-	3 => 'Wed',
-	4 => 'Thu',
-	5 => 'Fri',
-	6 => 'Sat',
-	7 => 'Sun'
-];
-
-$day_long = [
-	1 => 'Monday',
-	2 => 'Tuesday',
-	3 => 'Wednesday',
-	4 => 'Thursday',
-	5 => 'Friday',
-	6 => 'Saturday',
-	7 => 'Sunday'
-];
-
-// months
-$month_long = [
-	1 => 'January',
-	2 => 'February',
-	3 => 'March',
-	4 => 'April',
-	5 => 'May',
-	6 => 'June',
-	7 => 'July',
-	8 => 'August',
-	9 => 'September',
-	10 => 'October',
-	11 => 'November',
-	12 => 'December'
-];
-
-$month_short = [
-	1 => 'Jan',
-	2 => 'Feb',
-	3 => 'Mar',
-	4 => 'Apr',
-	5 => 'May',
-	6 => 'Jun',
-	7 => 'Jul',
-	8 => 'Aug',
-	9 => 'Sep',
-	10 => 'Oct',
-	11 => 'Nov',
-	12 => 'Dec'
-];
-
-// __END__

www/includes/admin_header.php

@@ -72,10 +72,19 @@ if (
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
 // login & page access check
 $login = new CoreLibs\ACL\Login($db, $log);
+// lang, path, domain
+// pre auto detect language after login
+$locale = \CoreLibs\Language\GetLocale::setLocale();
+// set lang and pass to smarty/backend
+$l10n = new \CoreLibs\Language\L10n(
+	$locale['locale'],
+	$locale['domain'],
+	$locale['path'],
+);
 // create smarty object
-$smarty = new CoreLibs\Template\SmartyExtend();
+$smarty = new CoreLibs\Template\SmartyExtend($l10n, $locale);
 // create new Backend class with db and loger attached
-$cms = new CoreLibs\Admin\Backend($db, $log);
+$cms = new CoreLibs\Admin\Backend($db, $log, $l10n, $locale);
 // the menu show flag (what menu to show)
 $cms->menu_show_flag = 'main';
 // db info

www/includes/admin_set_paths.php

@@ -1,22 +0,0 @@
-<?php
-
-/********************************************************************
-* AUTHOR: Clemens Schwaighofer
-* CREATED: 2007/09/03
-* SHORT DESCRIPTION:
-* set paths & language variables
-* HISTORY:
-*********************************************************************/
-
-declare(strict_types=1);
-
-/******
-NOTE THAT THIS INCLUDE IS OBSOLETE
-USE THE BELOW FUNCTION CALL IN THE SCRIPT ITSELF
-*******/
-trigger_error('admin_set_paths.php is deprecated. Use SmartyExtended->setSmartyPaths();', E_USER_DEPRECATED);
-if ($smarty) {
-	$smarty->setSmartyPaths();
-}
-
-// __END__

www/includes/admin_smarty.php

@@ -1,23 +0,0 @@
-<?php
-
-/********************************************************************
-* AUTHOR: Clemens Schwaighofer
-* CREATED: 2005/07/12
-* SHORT DESCRIPTION:
-* default smarty vars, and create output template for smarty
-* HISTORY:
-*********************************************************************/
-
-declare(strict_types=1);
-
-/******
-NOTE THAT THIS INCLUDE IS OBSOLETE
-USE THE BELOW FUNCTION CALL IN THE SCRIPT ITSELF
-*******/
-trigger_error(
-	'admin_smarty.php is deprecated. Use SmartyExtended->setSmartyVarsAdmin(); or setSmartyVarsFrontend();',
-	E_USER_DEPRECATED
-);
-$smarty->setSmartyVarsAdmin();
-
-// __END__

www/includes/edit_base.php

@@ -61,18 +61,27 @@ $log = new CoreLibs\Debug\Logging([
 $db = new CoreLibs\DB\IO(DB_CONFIG, $log);
 // login page
 $login = new CoreLibs\ACL\Login($db, $log);
+// lang, path, domain
+// pre auto detect language after login
+$locale = \CoreLibs\Language\GetLocale::setLocale();
+// set lang and pass to smarty/backend
+$l10n = new \CoreLibs\Language\L10n(
+	$locale['locale'],
+	$locale['domain'],
+	$locale['path'],
+);
 // flush and start
 ob_end_flush();
 // turn off set log per class
 $log->setLogPer('class', false);
 // create form class
-$form = new CoreLibs\Output\Form\Generate(DB_CONFIG, $log);
+$form = new CoreLibs\Output\Form\Generate(DB_CONFIG, $log, $l10n, $locale);
 if ($form->mobile_phone) {
 	echo "I am sorry, but this page cannot be viewed by a mobile phone";
 	exit;
 }
 // smarty template engine (extended Translation version)
-$smarty = new CoreLibs\Template\SmartyExtend();
+$smarty = new CoreLibs\Template\SmartyExtend($l10n, $locale);
 
 // $form->log->debug('POST', $form->log->prAr($_POST));
 

www/includes/lang/admin/en_utf8.mo

@@ -1 +0,0 @@
-../../locale/en_US/LC_MESSAGES/admin.mo

www/includes/lang/admin/ja_utf8.mo

@@ -1 +0,0 @@
-../../locale/ja/LC_MESSAGES/admin.mo

www/includes/lang/frontend/en_utf8.mo

@@ -1 +0,0 @@
-../../locale/en_US/LC_MESSAGES/frontend.mo

www/includes/lang/frontend/ja_utf8.mo

@@ -1 +0,0 @@
-../../locale/ja/LC_MESSAGES/frontend.mo

www/lib/CoreLibs/ACL/Login.php

@@ -167,13 +167,10 @@ class Login
 	 * constructor, does ALL, opens db, works through connection checks, closes itself
 	 * @param \CoreLibs\DB\IO              $db   Database connection class
 	 * @param \CoreLibs\Debug\Logging      $log  Logging class
-	 * @param \CoreLibs\Language\L10n|null $l10n l10n language class
-	 *                                                if null, auto set
 	 */
 	public function __construct(
 		\CoreLibs\DB\IO $db,
-		\CoreLibs\Debug\Logging $log,
-		?\CoreLibs\Language\L10n $l10n = null
+		\CoreLibs\Debug\Logging $log
 	) {
 		// log login data for this class only
 		$log->setLogPer('class', true);
@@ -215,19 +212,6 @@ class Login
 		// or need to pass it back
 		// to the continue AJAX class for output back to the user
 		$this->login_is_ajax_page = isset($GLOBALS['AJAX_PAGE']) && $GLOBALS['AJAX_PAGE'] ? true : false;
-		// set the default lang
-		$locale = 'en_US.UTF-8';
-		$lang = 'en_utf8';
-		if (Session::getSessionId() !== false && !empty($_SESSION['DEFAULT_LANG'])) {
-			$lang = $_SESSION['DEFAULT_LANG'];
-			$locale = $_SESSION['DEFAULT_LOCALE'];
-		} else {
-			$lang = defined('SITE_LANG') && !empty(SITE_LANG) ?
-				SITE_LANG : DEFAULT_LANG;
-			$locale = defined('SITE_LOCALE') && !empty(SITE_LOCALE) ?
-				SITE_LOCALE : DEFAULT_LOCALE;
-		}
-		$this->l = $l10n ?? new \CoreLibs\Language\L10n($lang);
 
 		// if we have a search path we need to set it, to use the correct DB to login
 		// check what schema to use. if there is a login schema use this, else check
@@ -300,6 +284,24 @@ class Login
 		$this->loginCheckPermissions();
 		// logsout user
 		$this->loginLogoutUser();
+		// ** LANGUAGE SET AFTER LOGIN **
+		// set the locale
+		if (Session::getSessionId() !== false && !empty($_SESSION['DEFAULT_LANG'])) {
+			$locale = $_SESSION['DEFAULT_LOCALE'] ?? '';
+		} else {
+			$locale = defined('SITE_LOCALE') && !empty(SITE_LOCALE) ?
+				SITE_LOCALE :
+				/** @phpstan-ignore-next-line DEFAULT_LOCALE could be empty */
+				(defined('DEFAULT_LOCALE') && !empty(DEFAULT_LOCALE) ?
+					DEFAULT_LOCALE : 'en.UTF-8');
+		}
+		// set domain
+		if (defined('CONTENT_PATH') && !empty(CONTENT_PATH)) {
+			$domain = str_replace('/', '', CONTENT_PATH);
+		} else {
+			$domain = 'admin';
+		}
+		$this->l = new \CoreLibs\Language\L10n($locale, $domain);
 		// if the password change flag is okay, run the password change method
 		if ($this->password_change) {
 			$this->loginPasswordChange();

www/lib/CoreLibs/Admin/Backend.php

@@ -114,15 +114,16 @@ class Backend
 	// CONSTRUCTOR / DECONSTRUCTOR |====================================>
 	/**
 	 * main class constructor
-	 * @param \CoreLibs\DB\IO              $db   Database connection class
-	 * @param \CoreLibs\Debug\Logging      $log  Logging class
-	 * @param \CoreLibs\Language\L10n|null $l10n l10n language class
-	 *                                           if null, auto set
+	 * @param \CoreLibs\DB\IO         $db     Database connection class
+	 * @param \CoreLibs\Debug\Logging $log    Logging class
+	 * @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\Language\L10n $l10n = null
+		\CoreLibs\Language\L10n $l10n,
+		array $locale
 	) {
 		// set to log not per class
 		$log->setLogPer('class', false);
@@ -130,10 +131,15 @@ class Backend
 		$this->log = $log;
 		// attach db class
 		$this->db = $db;
-		// TODO lang create outside of class
-		$this->setLangEncoding();
 		// get the language sub class & init it
-		$this->l = $l10n ?? new \CoreLibs\Language\L10n($this->lang);
+		$this->l = $l10n;
+		// parse and read, legacy stuff
+		$this->encoding = $locale['encoding'];
+		$this->lang = $locale['lang'];
+		// get first part from lang
+		$this->lang_short = explode('_', $locale['lang'])[0];
+		$this->domain = $this->l->getDomain();
+		$this->lang_dir = $this->l->getBaseLocalePath();
 
 		// set the page name
 		$this->page_name = \CoreLibs\Get\System::getPageName();
@@ -159,29 +165,6 @@ class Backend
 		// NO OP
 	}
 
-	// INTERNAL METHODS |===============================================>
-
-	/**
-	 * set the language encoding and language settings
-	 * use $OVERRIDE_LANG to override all language settings
-	 * the default charset from _SESSION login or from
-	 * config DEFAULT ENCODING
-	 * the lang full name for mo loading from _SESSION login
-	 * or SITE LANG or DEFAULT LANG from config
-	 * creates short lang (only first two chars) from the lang
-	 * @return void
-	 */
-	private function setLangEncoding(): void
-	{
-		list (
-			$this->encoding,
-			$this->lang,
-			$this->lang_short,
-			$this->domain,
-			$this->lang_dir
-		) = \CoreLibs\Language\GetSettings::setLangEncoding();
-	}
-
 	// PUBLIC METHODS |=================================================>
 
 	/**

www/lib/CoreLibs/Language/GetLocale.php

@@ -0,0 +1,117 @@
+<?php
+
+/*
+ * Internal function for getting locale and encodig settings
+ * used for new locale layout
+ */
+
+declare(strict_types=1);
+
+namespace CoreLibs\Language;
+
+class GetLocale
+{
+	/**
+	 * returns locale, lang, domain, encoding, path
+	 * from either parameter set or from sessions/config variables
+	 *
+	 * @param  string|null $locale   override auto detect
+	 * @param  string|null $domain   override domain
+	 * @param  string|null $encoding override encoding
+	 * @param  string|null $path     override path
+	 * @return array<string,string>  locale, domain, encoding, path
+	 */
+	public static function setLocale(
+		?string $locale = null,
+		?string $domain = null,
+		?string $encoding = null,
+		?string $path = null
+	): array {
+		// locale must match at least basic rules
+		if (
+			empty($locale) ||
+			!preg_match("/^[-A-Za-z0-9_.@]+$/", $locale)
+		) {
+			if (!empty($_SESSION['DEFAULT_LOCALE'])) {
+				// parse from session (logged in)
+				$locale = $_SESSION['DEFAULT_LOCALE'];
+			} else {
+				// else parse from site locale
+				$locale = defined('SITE_LOCALE') && !empty(SITE_LOCALE) ?
+					SITE_LOCALE :
+					// else parse from default, if not 'en'
+					/** @phpstan-ignore-next-line DEFAULT_LOCALE could be empty */
+					(defined('DEFAULT_LOCALE') && !empty(DEFAULT_LOCALE) ?
+						DEFAULT_LOCALE : 'en');
+			}
+		}
+		// if domain is set, must be alphanumeric, if not unset
+		if (
+			empty($domain) ||
+			!preg_match("/^\w+$/", $domain)
+		) {
+			// if no domain is set, fall back to content path
+			$domain = str_replace('/', '', CONTENT_PATH);
+		}
+		// check that override encoding matches locale encoding
+		// if locale encoding is set
+		preg_match('/(?:\\.(?P<charset>[-A-Za-z0-9_]+))/', $locale, $matches);
+		$locale_encoding = $matches['charset'] ?? null;
+		if (
+			// empty encoding
+			empty($encoding) ||
+			// not valid encoding
+			!preg_match("/^[-A-Za-z0-9_]+$/", $encoding) ||
+			// locale encoding set and not matching to encoding
+			(!empty($locale_encoding) && $encoding != $locale_encoding)
+		) {
+			if (!empty($locale_encoding)) {
+				$encoding = strtoupper($locale_encoding);
+			} elseif (!empty($_SESSION['DEFAULT_CHARSET'])) {
+				// else set from session
+				$encoding = $_SESSION['DEFAULT_CHARSET'];
+			} else {
+				// else set from site encoding
+				$encoding = defined('SITE_ENCODING') && !empty(SITE_ENCODING) ?
+					SITE_ENCODING :
+					// or default encoding, if not 'UTF-8'
+					/** @phpstan-ignore-next-line DEFAULT_LOCALE could be empty */
+					(defined('DEFAULT_ENCODING') && !empty(DEFAULT_ENCODING) ?
+						DEFAULT_ENCODING : 'UTF-8');
+			}
+		}
+		// path checks if set, if not valid path unset to default BASE path
+		if (
+			empty($path) ||
+			!is_dir($path)
+		) {
+			$path = BASE . INCLUDES . LOCALE;
+		}
+		// extract lang & country from locale string, else set to en
+		if (
+			preg_match(
+				// lang
+				'/^(?P<lang>[a-z]{2,3})'
+				// country code
+				. '(?:_(?P<country>[A-Z]{2}))?/',
+				$locale,
+				$matches
+			)
+		) {
+			$lang = ($matches['lang'] ?? 'en')
+				// add country only if set
+				. (!empty($matches['country']) ? '_' . $matches['country'] : '');
+		} else {
+			$lang = 'en';
+		}
+		return [
+			'locale' => $locale,
+			'lang' => $lang,
+			'domain' => $domain,
+			'encoding' => $encoding,
+			'path' => $path,
+		];
+	}
+}
+
+// __END__

www/lib/CoreLibs/Language/GetSettings.php

@@ -30,6 +30,7 @@ class GetSettings
 	 * @param  string|null $locale A valid locale name
 	 * @param  string|null $path   A valid path where the mo files will be based
 	 * @return array<int|string,string> Settings as array/dictionary
+	 * @deprecated Use CoreLibs\Language\GetLocale::setLocale()
 	 */
 	public static function setLangEncoding(
 		?string $locale = null,

www/lib/CoreLibs/Language/L10n.php

@@ -3,34 +3,26 @@
 /*********************************************************************
 * AUTHOR: Clemens Schwaighofer
 * CREATED: 2004/11/18
-* VERSION: 1.0.0
+* VERSION: 3.0.0
 * RELEASED LICENSE: GNU GPL 3
 * SHORT DESCRIPTION:
-* 	init class for gettext. Original was just a function & var setting include for wordpress.
+* 	init class for gettext. Original was just a function &
+*   var setting include for wordpress.
 *	I changed that to a class to be more portable with my style of coding
-*
-* PUBLIC VARIABLES
-*
-* PRIVATE VARIABLES
-*
+*   VERSION 3.0 (2022/4) removes all old folder layout and uses standard gettext
 * PUBLIC METHODS
-*	__:	returns string (translated or original if not found)
-*	__e: echos out string (translated or original if not found)
-*	__n:	should return plural. never tested this.
-*
-*   PRIVATE METHODS
+*	__  : returns string (translated or original if not found)
+*	__n : plural string
+*   __p : string with context
+*   __pb: string with context and plural
 *
 * HISTORY:
+* 2022/4/15  (cs) drop all old folder layout support, new folder base
+*                 in locale with standard gettext layout of
+*                 locale/LC_MESSAGES/domain.mo
 * 2005/10/17 (cs) made an on the fly switch method (reload of lang)
 *********************************************************************/
 
-// TODO: default path change to <base>/lang/LC_MESSAGES/domain.encoding.mo
-// for example: lang: ja_JP.UTF-8, domain: admin
-// <base>/ja_JP/LC_MESSAGES/admin.UTF-8.mo
-// OLD: includes/lang/admin/ja_utf8.mo
-// NEW: includes/lang/ja_JP/LC_MESSAGES/admin.UTF-8.mo
-// or fallback: includes/lang/ja/LC_MESSAGES/admin.UTF-8.mo
-
 declare(strict_types=1);
 
 namespace CoreLibs\Language;
@@ -48,15 +40,20 @@ class L10n
 	private $domains = [];
 	/** @var array<string,string> bound paths for domains */
 	private $paths = ['' => './'];
+
+	// files
 	/** @var string the full path to the mo file to loaded */
 	private $mofile = '';
 	/** @var string base path to search level */
 	private $base_locale_path = '';
 	/** @var string dynamic set path to where the mo file is actually */
 	private $base_content_path = '';
+
+	// errors
 	/** @var bool if load of mo file was unsuccessful */
 	private $load_failure = false;
 
+	// object holders
 	/** @var FileReader|bool reader class for file reading, false for short circuit */
 	private $input = false;
 	/** @var GetTextReader reader class for MO data */
@@ -74,20 +71,24 @@ class L10n
 	 *
 	 * @param string $locale language name, default empty string
 	 *                       will return self instance
-	 * @param string $path   path, if empty fallback on default internal path
 	 * @param string $domain override CONTENT_PATH . $encoding name for mo file
-	 * @param bool   $legacy default true, if set to true, will look in the old
-	 *                       folder format lang/ CONTENT_PATH / $lang . mo
+	 * @param string $path   path, if empty fallback on default internal path
 	 */
 	public function __construct(
 		string $locale = '',
-		string $path = '',
 		string $domain = '',
-		bool $legacy = true
+		string $path = '',
 	) {
-		// load the mo file if locale is not empty
-		if (!empty($locale)) {
-			$this->getTranslator($locale, $path, $domain, $legacy);
+		// auto load language only if at least locale and domain is set
+		if (!empty($locale) && !empty($domain)) {
+			// check hack if domain and path is switched
+			// Note this can be removed in future versions
+			if (strstr($domain, DIRECTORY_SEPARATOR) !== false) {
+				$_domain = $path;
+				$path = $domain;
+				$domain = $_domain;
+			}
+			$this->getTranslator($locale, $domain, $path);
 		}
 	}
 
@@ -116,43 +117,18 @@ class L10n
 		require_once __DIR__ . '/l10n_functions.php';
 	}
 
-	/**
-	 * legacy loader name for getTranslator
-	 * instead of returning the GetTextReader object it returns
-	 * true or false for successful load.
-	 * NOTE: some time down the road this will be deprecated
-	 *
-	 * @param string $locale
-	 * @param string $path
-	 * @param string $domain
-	 * @param bool   $legacy
-	 * @return bool          Returns true for successfull load, false for error
-	 */
-	public function l10nReloadMOfile(
-		string $locale,
-		string $path = '',
-		string $domain = '',
-		bool $legacy = true
-	): bool {
-		$this->getTranslator($locale, $path, $domain, $legacy);
-		return $this->load_failure ? false : true;
-	}
-
 	/**
 	 * loads the mo file base on path, locale and domain set
 	 *
 	 * @param string $locale language name (optional), fallback is en
-	 * @param string $path   path, if empty fallback on default internal path
 	 * @param string $domain override CONTENT_PATH . $encoding name for mo file
-	 * @param bool   $legacy default true, if set to true, will look in the old
-	 *                       folder format lang/ CONTENT_PATH / $lang . mo
+	 * @param string $path   path, if empty fallback on default internal path
 	 * @return GetTextReader the main gettext reader object
 	 */
 	public function getTranslator(
 		string $locale = '',
-		string $path = '',
 		string $domain = '',
-		bool $legacy = false
+		string $path = ''
 	): GetTextReader {
 		// set local if not from parameter
 		if (empty($locale)) {
@@ -169,48 +145,34 @@ class L10n
 		$old_base_locale_path = $this->base_locale_path;
 		$old_base_content_path = $this->base_content_path;
 
-		// legacy or new type
-		// legacy will use the old lang/content/file.mo type as default
-		// if path is not set, also locale is the file name
-		// for new type it follows the gettext spec and path is just the
-		// base folder where the mo files will be searched
-		if ($legacy === true) {
-			if (!is_dir($path)) {
-				$this->base_locale_path = BASE . INCLUDES . LANG;
-				$this->base_content_path = CONTENT_PATH;
-				$path = $this->base_locale_path . $this->base_content_path;
-			}
-			$this->mofile = $path . $locale . ".mo";
+		// if path is a dir
+		// 1) from a previous set domain
+		// 2) from method option as is
+		// 3) fallback if BASE/INCLUDES/LOCALE set
+		// 4) current dir
+		if (!empty($this->paths[$domain]) && is_dir($this->paths[$domain])) {
+			$this->base_locale_path = $this->paths[$domain];
+		} elseif (is_dir($path)) {
+			$this->base_locale_path = $path;
+		} elseif (
+			defined('BASE') && defined('INCLUDES') && defined('LOCALE')
+		) {
+			// set fallback base path if constant set
+			$this->base_locale_path = BASE . INCLUDES . LOCALE;
 		} else {
-			// if new path is a dir
-			// 1) from a previous set domain
-			// 2) from method option as is
-			// 3) fallback if BASE/INCLUDES/LOCALE set
-			// 4) current dir
-			if (!empty($this->paths[$domain]) && is_dir($this->paths[$domain])) {
-				$this->base_locale_path = $this->paths[$domain];
-			} elseif (is_dir($path)) {
-				$this->base_locale_path = $path;
-			} elseif (
-				defined('BASE') && defined('INCLUDES') && defined('LOCALE')
-			) {
-				// set fallback base path if constant set
-				$this->base_locale_path = BASE . INCLUDES . LOCALE;
-			} else {
-				$this->base_locale_path = './';
-			}
-			// now we loop over lang compositions to get the base path
-			// then we check
-			$locales = $this->listLocales($locale);
-			foreach ($locales as $_locale) {
-				$this->base_content_path = $_locale . DIRECTORY_SEPARATOR
-					. 'LC_MESSAGES' . DIRECTORY_SEPARATOR;
-				$this->mofile = $this->base_locale_path
-					. $this->base_content_path
-					. $domain . '.mo';
-				if (file_exists($this->mofile)) {
-					break;
-				}
+			$this->base_locale_path = './';
+		}
+		// now we loop over lang compositions to get the base path
+		// then we check
+		$locales = $this->listLocales($locale);
+		foreach ($locales as $_locale) {
+			$this->base_content_path = $_locale . DIRECTORY_SEPARATOR
+				. 'LC_MESSAGES' . DIRECTORY_SEPARATOR;
+			$this->mofile = $this->base_locale_path
+				. $this->base_content_path
+				. $domain . '.mo';
+			if (file_exists($this->mofile)) {
+				break;
 			}
 		}
 
@@ -273,6 +235,34 @@ class L10n
 		return $this->l10n;
 	}
 
+	/**
+	 * parse the locale string for further processing
+	 *
+	 * @param  string $locale Locale to parse
+	 * @return array<string,string|null> array with lang, country, charset, modifier
+	 */
+	public static function parseLocale(string $locale = ''): array
+	{
+		preg_match(
+			// language code
+			'/^(?P<lang>[a-z]{2,3})'
+			// country code
+			. '(?:_(?P<country>[A-Z]{2}))?'
+			// charset
+			. '(?:\\.(?P<charset>[-A-Za-z0-9_]+))?'
+			// @ modifier
+			. '(?:@(?P<modifier>[-A-Za-z0-9_]+))?$/',
+			$locale,
+			$matches
+		);
+		return [
+			'lang' => $matches['lang'] ?? null,
+			'country' => $matches['country'] ?? null,
+			'charset' => $matches['charset'] ?? null,
+			'modifier' => $matches['modifier'] ?? null,
+		];
+	}
+
 	/**
 	 * original:
 	 * vendor/phpmyadmin/motranslator/src/Loader.php
@@ -294,28 +284,16 @@ class L10n
 			return $locale_list;
 		}
 		// is matching regex
-		if (
-			!preg_match(
-				// language code
-				'/^(?P<lang>[a-z]{2,3})'
-				// country code
-				. '(?:_(?P<country>[A-Z]{2}))?'
-				// charset
-				. '(?:\\.(?P<charset>[-A-Za-z0-9_]+))?'
-				// @ modifier
-				. '(?:@(?P<modifier>[-A-Za-z0-9_]+))?$/',
-				$locale,
-				$matches
-			)
-		) {
-			// not matching, return as is
+		$locale_detail = L10n::parseLocale($locale);
+		// all null = nothing mached, return locale as is
+		if ($locale_detail === array_filter($locale_detail, 'is_null')) {
 			return [$locale];
 		}
-		// do matching run
-		$lang = $matches['lang'] ?? null;
-		$country = $matches['country'] ?? null;
-		$charset = $matches['charset'] ?? null;
-		$modifier = $matches['modifier'] ?? null;
+		// write to innteral vars
+		$lang = $locale_detail['lang'];
+		$country = $locale_detail['country'];
+		$charset = $locale_detail['charset'];
+		$modifier = $locale_detail['modifier'];
 		// we need to add all possible cominations from not null set
 		// entries to the list, from longest to shortest
 		// %s_%s.%s@%s　(lang _ country . encoding @ suffix)

www/lib/CoreLibs/Output/Form/Generate.php

@@ -299,23 +299,39 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 
 	/**
 	 * construct form generator
-	 * @param array<mixed> $db_config   db config array
-	 * @param \CoreLibs\Debug\Logging|null $log Logging class
-	 * @param \CoreLibs\Language\L10n|null $l10n l10n language class
-	 *                                                if null, auto set
+	 * @param array<mixed>                 $db_config db config array, mandatory
+	 * @param \CoreLibs\Debug\Logging|null $log       Logging class, null auto set
+	 * @param \CoreLibs\Language\L10n|null $l10n      l10n language class, null auto set
+	 * @param array<string,string>|null    $locale    locale array from ::setLocale,
+	 *                                                null auto set
 	 */
 	public function __construct(
 		array $db_config,
-		\CoreLibs\Debug\Logging $log = null,
-		?\CoreLibs\Language\L10n $l10n = null
+		?\CoreLibs\Debug\Logging $log = null,
+		?\CoreLibs\Language\L10n $l10n = null,
+		?array $locale = null
 	) {
 		global $table_arrays;
 		// replace any non valid variable names
 		// TODO extract only alphanumeric and _ after . to _ replacement
 		$this->my_page_name = str_replace(['.'], '_', System::getPageName(System::NO_EXTENSION));
-		$this->setLangEncoding();
+		// if pass on locale is null
+		if ($locale === null) {
+			$locale = \CoreLibs\Language\GetLocale::setLocale();
+		}
 		// init the language class
-		$this->l = $l10n ?? new \CoreLibs\Language\L10n($this->lang);
+		$this->l = $l10n ?? new \CoreLibs\Language\L10n(
+			$locale['locale'],
+			$locale['domain'],
+			$locale['path'],
+		);
+		// legacy lang vars set
+		$this->encoding = $locale['encoding'];
+		$this->lang = $locale['lang'];
+		// get first part from lang
+		$this->lang_short = explode('_', $locale['lang'])[0];
+		$this->domain = $this->l->getDomain();
+		$this->lang_dir = $this->l->getBaseLocalePath();
 		// load config array
 		// get table array definitions for current page name
 
@@ -443,29 +459,6 @@ class Generate extends \CoreLibs\DB\Extended\ArrayIO
 		parent::__destruct();
 	}
 
-	// INTERNAL METHODS |===============================================>
-
-	/**
-	 * ORIGINAL in \CoreLibs\Admin\Backend
-	 * set the language encoding and language settings
-	 * the default charset from _SESSION login or from
-	 * config DEFAULT ENCODING
-	 * the lang full name for mo loading from _SESSION login
-	 * or SITE LANG or DEFAULT LANG from config
-	 * creates short lang (only first two chars) from the lang
-	 * @return void
-	 */
-	private function setLangEncoding(): void
-	{
-		list (
-			$this->encoding,
-			$this->lang,
-			$this->lang_short,
-			$this->domain,
-			$this->lang_dir
-		) = \CoreLibs\Language\GetSettings::setLangEncoding();
-	}
-
 	// PUBLIC METHODS |=================================================>
 
 	/**

www/lib/CoreLibs/Template/SmartyExtend.php

@@ -154,50 +154,36 @@ class SmartyExtend extends \Smarty
 	 * constructor class, just sets the language stuff
 	 * calls L10 for pass on internaly in smarty
 	 * also registers the getvar caller plugin
-	 * @param \CoreLibs\Language\L10n|null $l10n l10n language class
-	 *                                           if null, auto set
+	 * @param \CoreLibs\Language\L10n $l10n l10n language class
+	 * @param array<string,string>    $locale locale data read from setLocale
 	 */
-	public function __construct(?\CoreLibs\Language\L10n $l10n = null)
+	public function __construct(\CoreLibs\Language\L10n $l10n, array $locale)
 	{
 		// call basic smarty
 		// or Smarty::__construct();
 		parent::__construct();
-		// set lang vars
-		$this->setLangEncoding();
 		// iinit lang
-		$this->l10n = $l10n ?? new \CoreLibs\Language\L10n($this->lang);
-		// Smarty 3.x
-		// $this->registerPlugin('modifier', 'getvar', [&$this, 'get_template_vars']);
+		$this->l10n = $l10n;
+		// opt load functions so we can use legacy init for smarty run perhaps
+		$this->l10n->loadFunctions();
+		// parse and read, legacy stuff
+		$this->encoding = $locale['encoding'];
+		$this->lang = $locale['lang'];
+		// get first part from lang
+		$this->lang_short = explode('_', $locale['lang'])[0];
+		$this->domain = $this->l10n->getDomain();
+		$this->lang_dir = $this->l10n->getBaseLocalePath();
+
+		// register smarty variable
 		$this->registerPlugin('modifier', 'getvar', [&$this, 'getTemplateVars']);
 
-		$this->page_name = pathinfo($_SERVER["PHP_SELF"])['basename'];
+		$this->page_name = \CoreLibs\Get\System::getPageName();
 
 		// set internal settings
 		$this->CACHE_ID = defined('CACHE_ID') ? CACHE_ID : '';
 		$this->COMPILE_ID = defined('COMPILE_ID') ? COMPILE_ID : '';
 	}
 
-	/**
-	 * ORIGINAL in \CoreLibs\Admin\Backend
-	 * set the language encoding and language settings
-	 * the default charset from _SESSION login or from
-	 * config DEFAULT ENCODING
-	 * the lang full name for mo loading from _SESSION login
-	 * or SITE LANG or DEFAULT LANG from config
-	 * creates short lang (only first two chars) from the lang
-	 * @return void
-	 */
-	private function setLangEncoding(): void
-	{
-		list (
-			$this->encoding,
-			$this->lang,
-			$this->lang_short,
-			$this->domain,
-			$this->lang_dir
-		) = \CoreLibs\Language\GetSettings::setLangEncoding();
-	}
-
 	/**
 	 * @return void
 	 */

www/vendor/composer/autoload_classmap.php

@@ -47,6 +47,7 @@ return array(
     'CoreLibs\\Language\\Core\\StreamReader' => $baseDir . '/lib/CoreLibs/Language/Core/StreamReader.php',
     'CoreLibs\\Language\\Core\\StringReader' => $baseDir . '/lib/CoreLibs/Language/Core/StringReader.php',
     'CoreLibs\\Language\\Encoding' => $baseDir . '/lib/CoreLibs/Language/Encoding.php',
+    'CoreLibs\\Language\\GetLocale' => $baseDir . '/lib/CoreLibs/Language/GetLocale.php',
     'CoreLibs\\Language\\GetSettings' => $baseDir . '/lib/CoreLibs/Language/GetSettings.php',
     'CoreLibs\\Language\\L10n' => $baseDir . '/lib/CoreLibs/Language/L10n.php',
     'CoreLibs\\Output\\Form\\Elements' => $baseDir . '/lib/CoreLibs/Output/Form/Elements.php',

www/vendor/composer/autoload_static.php

@@ -112,6 +112,7 @@ class ComposerStaticInit10fe8fe2ec4017b8644d2b64bcf398b9
         'CoreLibs\\Language\\Core\\StreamReader' => __DIR__ . '/../..' . '/lib/CoreLibs/Language/Core/StreamReader.php',
         'CoreLibs\\Language\\Core\\StringReader' => __DIR__ . '/../..' . '/lib/CoreLibs/Language/Core/StringReader.php',
         'CoreLibs\\Language\\Encoding' => __DIR__ . '/../..' . '/lib/CoreLibs/Language/Encoding.php',
+        'CoreLibs\\Language\\GetLocale' => __DIR__ . '/../..' . '/lib/CoreLibs/Language/GetLocale.php',
         'CoreLibs\\Language\\GetSettings' => __DIR__ . '/../..' . '/lib/CoreLibs/Language/GetSettings.php',
         'CoreLibs\\Language\\L10n' => __DIR__ . '/../..' . '/lib/CoreLibs/Language/L10n.php',
         'CoreLibs\\Output\\Form\\Elements' => __DIR__ . '/../..' . '/lib/CoreLibs/Output/Form/Elements.php',