/**
* Sets the currently active language/language_alt keys.
* Default values are "default" for language key and "" for language_alt key.
*
* @return void
*/
protected static function setLanguageKeys()
{
self::$languageKey = 'default';
self::$alternativeLanguageKeys = array();
if (TYPO3_MODE === 'FE') {
if (isset($GLOBALS['TSFE']->config['config']['language'])) {
self::$languageKey = $GLOBALS['TSFE']->config['config']['language'];
if (isset($GLOBALS['TSFE']->config['config']['language_alt'])) {
self::$alternativeLanguageKeys[] = $GLOBALS['TSFE']->config['config']['language_alt'];
} else {
/** @var $locales \TYPO3\CMS\Core\Localization\Locales */
$locales = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Core\Localization\Locales::class);
if (in_array(self::$languageKey, $locales->getLocales())) {
foreach ($locales->getLocaleDependencies(self::$languageKey) as $language) {
self::$alternativeLanguageKeys[] = $language;
}
}
}
}
} elseif ($GLOBALS['BE_USER']->uc['lang'] !== '') {
self::$languageKey = $GLOBALS['BE_USER']->uc['lang'];
}
}
/**
* Sets the currently active language/language_alt keys.
* Default values are "default" for language key and "" for language_alt key.
*
* @return void
*/
protected static function setLanguageKeys()
{
self::$languageKey = 'default';
self::$alternativeLanguageKeys = array();
if (TYPO3_MODE === 'FE') {
if (isset(self::getTypoScriptFrontendController()->config['config']['language'])) {
self::$languageKey = self::getTypoScriptFrontendController()->config['config']['language'];
if (isset(self::getTypoScriptFrontendController()->config['config']['language_alt'])) {
self::$alternativeLanguageKeys[] = self::getTypoScriptFrontendController()->config['config']['language_alt'];
} else {
/** @var $locales \TYPO3\CMS\Core\Localization\Locales */
$locales = GeneralUtility::makeInstance(Locales::class);
if (in_array(self::$languageKey, $locales->getLocales())) {
foreach ($locales->getLocaleDependencies(self::$languageKey) as $language) {
self::$alternativeLanguageKeys[] = $language;
}
}
}
}
} elseif (!empty($GLOBALS['BE_USER']->uc['lang'])) {
self::$languageKey = $GLOBALS['BE_USER']->uc['lang'];
} elseif (!empty(self::getLanguageService()->lang)) {
self::$languageKey = self::getLanguageService()->lang;
}
}