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'selected="selected"' : null, ); } return $list; } /** * Tries to detect the language. * * @return string locale or null if not found * * @since 11.1 */ public static function detectLanguage() { if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { $browserLangs = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']); $systemLangs = self::getLanguages(); foreach ($browserLangs as $browserLang) { // Slice out the part before ; on first step, the part before - on second, place into array $browserLang = substr($browserLang, 0, strcspn($browserLang, ';')); $primary_browserLang = substr($browserLang, 0, 2); foreach ($systemLangs as $systemLang) { // Take off 3 letters iso code languages as they can't match browsers' languages and default them to en $Jinstall_lang = $systemLang->lang_code; if (strlen($Jinstall_lang) < 6) { if (strtolower($browserLang) == strtolower(substr($systemLang->lang_code, 0, strlen($browserLang)))) { return $systemLang->lang_code; } elseif ($primary_browserLang == substr($systemLang->lang_code, 0, 2)) { $primaryDetectedLang = $systemLang->lang_code; } } } if (isset($primaryDetectedLang)) { return $primaryDetectedLang; } } } return; } /** * Get available languages * * @param string $key Array key * * @return array An array of published languages * * @since 11.1 */ public static function getLanguages($key = 'default') { static $languages; if (empty($languages)) { // Installation uses available languages if (\JFactory::getApplication()->getClientId() == 2) { $languages[$key] = array(); $knownLangs = self::getKnownLanguages(JPATH_BASE); foreach ($knownLangs as $metadata) { // Take off 3 letters iso code languages as they can't match browsers' languages and default them to en $obj = new \stdClass; $obj->lang_code = $metadata['tag']; $languages[$key][] = $obj; } } else { $cache = \JFactory::getCache('com_languages', ''); if ($cache->contains('languages')) { $languages = $cache->get('languages'); } else { $db = \JFactory::getDbo(); $query = $db->getQuery(true) ->select('*') ->from('#__languages') ->where('published=1') ->order('ordering ASC'); $db->setQuery($query); $languages['default'] = $db->loadObjectList(); $languages['sef'] = array(); $languages['lang_code'] = array(); if (isset($languages['default'][0])) { foreach ($languages['default'] as $lang) { $languages['sef'][$lang->sef] = $lang; $languages['lang_code'][$lang->lang_code] = $lang; } } $cache->store($languages, 'languages'); } } } return $languages[$key]; } /** * Get a list of installed languages. * * @param integer $clientId The client app id. * @param boolean $processMetaData Fetch Language metadata. * @param boolean $processManifest Fetch Language manifest. * @param string $pivot The pivot of the returning array. * @param string $orderField Field to order the results. * @param string $orderDirection Direction to order the results. * * @return array Array with the installed languages. * * @since 3.7.0 */ public static function getInstalledLanguages($clientId = null, $processMetaData = false, $processManifest = false, $pivot = 'element', $orderField = null, $orderDirection = null) { static $installedLanguages = null; if ($installedLanguages === null) { $cache = \JFactory::getCache('com_languages', ''); if ($cache->contains('installedlanguages')) { $installedLanguages = $cache->get('installedlanguages'); } else { $db = \JFactory::getDbo(); $query = $db->getQuery(true) ->select($db->quoteName(array('element', 'name', 'client_id', 'extension_id'))) ->from($db->quoteName('#__extensions')) ->where($db->quoteName('type') . ' = ' . $db->quote('language')) ->where($db->quoteName('state') . ' = 0') ->where($db->quoteName('enabled') . ' = 1'); $installedLanguages = $db->setQuery($query)->loadObjectList(); $cache->store($installedLanguages, 'installedlanguages'); } } $clients = $clientId === null ? array(0, 1) : array((int) $clientId); $languages = array( 0 => array(), 1 => array(), ); foreach ($installedLanguages as $language) { // If the language client is not needed continue cycle. Drop for performance. if (!in_array((int) $language->client_id, $clients)) { continue; } $lang = $language; if ($processMetaData || $processManifest) { $clientPath = (int) $language->client_id === 0 ? JPATH_SITE : JPATH_ADMINISTRATOR; $metafile = self::getLanguagePath($clientPath, $language->element) . '/' . $language->element . '.xml'; // Process the language metadata. if ($processMetaData) { try { $lang->metadata = self::parseXMLLanguageFile($metafile); } // Not able to process xml language file. Fail silently. catch (\Exception $e) { \JLog::add(\JText::sprintf('JLIB_LANGUAGE_ERROR_CANNOT_LOAD_METAFILE', $language->element, $metafile), \JLog::WARNING, 'language'); continue; } // No metadata found, not a valid language. Fail silently. if (!is_array($lang->metadata)) { \JLog::add(\JText::sprintf('JLIB_LANGUAGE_ERROR_CANNOT_LOAD_METADATA', $language->element, $metafile), \JLog::WARNING, 'language'); continue; } } // Process the language manifest. if ($processManifest) { try { $lang->manifest = \JInstaller::parseXMLInstallFile($metafile); } // Not able to process xml language file. Fail silently. catch (\Exception $e) { \JLog::add(\JText::sprintf('JLIB_LANGUAGE_ERROR_CANNOT_LOAD_METAFILE', $language->element, $metafile), \JLog::WARNING, 'language'); continue; } // No metadata found, not a valid language. Fail silently. if (!is_array($lang->manifest)) { \JLog::add(\JText::sprintf('JLIB_LANGUAGE_ERROR_CANNOT_LOAD_METADATA', $language->element, $metafile), \JLog::WARNING, 'language'); continue; } } } $languages[$language->client_id][] = $lang; } // Order the list, if needed. if ($orderField !== null && $orderDirection !== null) { $orderDirection = strtolower($orderDirection) === 'desc' ? -1 : 1; foreach ($languages as $cId => $language) { // If the language client is not needed continue cycle. Drop for performance. if (!in_array($cId, $clients)) { continue; } $languages[$cId] = ArrayHelper::sortObjects($languages[$cId], $orderField, $orderDirection, true, true); } } // Add the pivot, if needed. if ($pivot !== null) { foreach ($languages as $cId => $language) { // If the language client is not needed continue cycle. Drop for performance. if (!in_array($cId, $clients)) { continue; } $languages[$cId] = ArrayHelper::pivot($languages[$cId], $pivot); } } return $clientId !== null ? $languages[$clientId] : $languages; } /** * Get a list of content languages. * * @param array $publishedStates Array with the content language published states. Empty array for all. * @param boolean $checkInstalled Check if the content language is installed. * @param string $pivot The pivot of the returning array. * @param string $orderField Field to order the results. * @param string $orderDirection Direction to order the results. * * @return array Array of the content languages. * * @since 3.7.0 */ public static function getContentLanguages($publishedStates = array(1), $checkInstalled = true, $pivot = 'lang_code', $orderField = null, $orderDirection = null) { static $contentLanguages = null; if ($contentLanguages === null) { $cache = \JFactory::getCache('com_languages', ''); if ($cache->contains('contentlanguages')) { $contentLanguages = $cache->get('contentlanguages'); } else { $db = \JFactory::getDbo(); $query = $db->getQuery(true) ->select('*') ->from($db->quoteName('#__languages')); $contentLanguages = $db->setQuery($query)->loadObjectList(); $cache->store($contentLanguages, 'contentlanguages'); } } $languages = $contentLanguages; // B/C layer. Before 3.8.3. if ($publishedStates === true) { $publishedStates = array(1); } elseif ($publishedStates === false) { $publishedStates = array(); } // Check the language published state, if needed. if (count($publishedStates) > 0) { foreach ($languages as $key => $language) { if (!in_array((int) $language->published, $publishedStates, true)) { unset($languages[$key]); } } } // Check if the language is installed, if needed. if ($checkInstalled) { $languages = array_values(array_intersect_key(ArrayHelper::pivot($languages, 'lang_code'), static::getInstalledLanguages(0))); } // Order the list, if needed. if ($orderField !== null && $orderDirection !== null) { $languages = ArrayHelper::sortObjects($languages, $orderField, strtolower($orderDirection) === 'desc' ? -1 : 1, true, true); } // Add the pivot, if needed. if ($pivot !== null) { $languages = ArrayHelper::pivot($languages, $pivot); } return $languages; } /** * Save strings to a language file. * * @param string $filename The language ini file path. * @param array $strings The array of strings. * * @return boolean True if saved, false otherwise. * * @since 3.7.0 */ public static function saveToIniFile($filename, array $strings) { \JLoader::register('\JFile', JPATH_LIBRARIES . '/joomla/filesystem/file.php'); // Escape double quotes. foreach ($strings as $key => $string) { $strings[$key] = addcslashes($string, '"'); } // Write override.ini file with the strings. $registry = new Registry($strings); return \JFile::write($filename, $registry->toString('INI')); } /** * Checks if a language exists. * * This is a simple, quick check for the directory that should contain language files for the given user. * * @param string $lang Language to check. * @param string $basePath Optional path to check. * * @return boolean True if the language exists. * * @since 3.7.0 */ public static function exists($lang, $basePath = JPATH_BASE) { static $paths = array(); // Return false if no language was specified if (!$lang) { return false; } $path = $basePath . '/language/' . $lang; // Return previous check results if it exists if (isset($paths[$path])) { return $paths[$path]; } // Check if the language exists $paths[$path] = is_dir($path); return $paths[$path]; } /** * Returns an associative array holding the metadata. * * @param string $lang The name of the language. * * @return mixed If $lang exists return key/value pair with the language metadata, otherwise return NULL. * * @since 3.7.0 */ public static function getMetadata($lang) { $file = self::getLanguagePath(JPATH_BASE, $lang) . '/' . $lang . '.xml'; $result = null; if (is_file($file)) { $result = self::parseXMLLanguageFile($file); } if (empty($result)) { return; } return $result; } /** * Returns a list of known languages for an area * * @param string $basePath The basepath to use * * @return array key/value pair with the language file and real name. * * @since 3.7.0 */ public static function getKnownLanguages($basePath = JPATH_BASE) { return self::parseLanguageFiles(self::getLanguagePath($basePath)); } /** * Get the path to a language * * @param string $basePath The basepath to use. * @param string $language The language tag. * * @return string language related path or null. * * @since 3.7.0 */ public static function getLanguagePath($basePath = JPATH_BASE, $language = null) { return $basePath . '/language' . (!empty($language) ? '/' . $language : ''); } /** * Searches for language directories within a certain base dir. * * @param string $dir directory of files. * * @return array Array holding the found languages as filename => real name pairs. * * @since 3.7.0 */ public static function parseLanguageFiles($dir = null) { $languages = array(); // Search main language directory for subdirectories foreach (glob($dir . '/*', GLOB_NOSORT | GLOB_ONLYDIR) as $directory) { // But only directories with lang code format if (preg_match('#/[a-z]{2,3}-[A-Z]{2}$#', $directory)) { $dirPathParts = pathinfo($directory); $file = $directory . '/' . $dirPathParts['filename'] . '.xml'; if (!is_file($file)) { continue; } try { // Get installed language metadata from xml file and merge it with lang array if ($metadata = self::parseXMLLanguageFile($file)) { $languages = array_replace($languages, array($dirPathParts['filename'] => $metadata)); } } catch (\RuntimeException $e) { } } } return $languages; } /** * Parse XML file for language information. * * @param string $path Path to the XML files. * * @return array Array holding the found metadata as a key => value pair. * * @since 3.7.0 * @throws \RuntimeException */ public static function parseXMLLanguageFile($path) { if (!is_readable($path)) { throw new \RuntimeException('File not found or not readable'); } // Try to load the file $xml = simplexml_load_file($path); if (!$xml) { return; } // Check that it's a metadata file if ((string) $xml->getName() != 'metafile') { return; } $metadata = array(); foreach ($xml->metadata->children() as $child) { $metadata[$child->getName()] = (string) $child; } return $metadata; } }