/** * Initialise the translation adapter with a locale setting. * * @param string|null $locale If no locale specified, choose one automatically * * @return string $string */ public static function init($locale = null) { global $WT_SESSION; // The translation libraries only work with a cache. $cache_options = array('automatic_serialization' => true, 'cache_id_prefix' => md5(WT_SERVER_NAME . WT_SCRIPT_PATH)); if (ini_get('apc.enabled')) { self::$cache = Zend_Cache::factory('Core', 'Apc', $cache_options, array()); } elseif (WT_File::mkdir(WT_DATA_DIR . 'cache')) { self::$cache = Zend_Cache::factory('Core', 'File', $cache_options, array('cache_dir' => WT_DATA_DIR . 'cache')); } else { self::$cache = Zend_Cache::factory('Core', 'Zend_Cache_Backend_BlackHole', $cache_options, array(), false, true); } Zend_Locale::setCache(self::$cache); Zend_Translate::setCache(self::$cache); $installed_languages = self::installed_languages(); if (is_null($locale) || !array_key_exists($locale, $installed_languages)) { // Automatic locale selection. $locale = WT_Filter::get('lang'); if ($locale && array_key_exists($locale, $installed_languages)) { // Requested in the URL? if (Auth::id()) { Auth::user()->setSetting('language', $locale); } } elseif (array_key_exists($WT_SESSION->locale, $installed_languages)) { // Rembered from a previous visit? $locale = $WT_SESSION->locale; } else { // Browser preference takes priority over gedcom default if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { $prefs = explode(',', str_replace(' ', '', $_SERVER['HTTP_ACCEPT_LANGUAGE'])); } else { $prefs = array(); } if (WT_GED_ID) { // Add the tree’s default language as a low-priority $locale = get_gedcom_setting(WT_GED_ID, 'LANGUAGE'); $prefs[] = $locale . ';q=0.2'; } $prefs2 = array(); foreach ($prefs as $pref) { list($l, $q) = explode(';q=', $pref . ';q=1.0'); $l = preg_replace_callback('/_[a-z][a-z]$/', function ($x) { return strtoupper($x[0]); }, str_replace('-', '_', $l)); // en-gb => en_GB if (array_key_exists($l, $prefs2)) { $prefs2[$l] = max((double) $q, $prefs2[$l]); } else { $prefs2[$l] = (double) $q; } } // Ensure there is a fallback. if (!array_key_exists('en_US', $prefs2)) { $prefs2['en_US'] = 0.01; } arsort($prefs2); foreach (array_keys($prefs2) as $pref) { if (array_key_exists($pref, $installed_languages)) { $locale = $pref; break; } } } } // Load the translation file self::$translation_adapter = new Zend_Translate('gettext', WT_ROOT . 'language/' . $locale . '.mo', $locale); // Deprecated - some custom modules use this to add translations Zend_Registry::set('Zend_Translate', self::$translation_adapter); // Load any local user translations if (is_dir(WT_DATA_DIR . 'language')) { if (file_exists(WT_DATA_DIR . 'language/' . $locale . '.mo')) { self::addTranslation(new Zend_Translate('gettext', WT_DATA_DIR . 'language/' . $locale . '.mo', $locale)); } if (file_exists(WT_DATA_DIR . 'language/' . $locale . '.php')) { self::addTranslation(new Zend_Translate('array', WT_DATA_DIR . 'language/' . $locale . '.php', $locale)); } if (file_exists(WT_DATA_DIR . 'language/' . $locale . '.csv')) { self::addTranslation(new Zend_Translate('csv', WT_DATA_DIR . 'language/' . $locale . '.csv', $locale)); } } // Extract language settings from the translation file global $DATE_FORMAT; // I18N: This is the format string for full dates. See http://php.net/date for codes $DATE_FORMAT = self::noop('%j %F %Y'); global $TIME_FORMAT; // I18N: This is the format string for the time-of-day. See http://php.net/date for codes $TIME_FORMAT = self::noop('%H:%i:%s'); // Alphabetic sorting sequence (upper-case letters), used by webtrees to sort strings list(, self::$alphabet_upper) = explode('=', self::noop('ALPHABET_upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ')); // Alphabetic sorting sequence (lower-case letters), used by webtrees to sort strings list(, self::$alphabet_lower) = explode('=', self::noop('ALPHABET_lower=abcdefghijklmnopqrstuvwxyz')); global $WEEK_START; // I18N: This is the first day of the week on calendars. 0=Sunday, 1=Monday... list(, $WEEK_START) = explode('=', self::noop('WEEK_START=0')); global $TEXT_DIRECTION; $TEXT_DIRECTION = self::scriptDirection(self::languageScript($locale)); self::$locale = $locale; self::$dir = $TEXT_DIRECTION; // I18N: This punctuation is used to separate lists of items. self::$list_separator = self::translate(', '); // I18N: This is the name of the MySQL collation that applies to your language. A list is available at http://dev.mysql.com/doc/refman/5.0/en/charset-unicode-sets.html self::$collation = self::translate('utf8_unicode_ci'); // Non-latin numbers may require non-latin digits try { self::$numbering_system = Zend_Locale_Data::getContent($locale, 'defaultnumberingsystem'); } catch (Zend_Locale_Exception $ex) { // The latest CLDR database omits some languges such as Tatar (tt) self::$numbering_system = 'latin'; } return $locale; }