/** * Set language codes * * @param $langs * * @return boolean */ public static function setLangs($langs) { $langs = explode(',', General::sanitize($langs)); // if no language codes, return false if ($langs === false || !is_array($langs)) { return false; } $langs = self::cleanLanguageCodes($langs); if (count($langs) === 0) { return false; } $new_codes = array(); $all_codes = array_keys(Languages::all()->listAll()); // only valid language codes are preserved foreach ($langs as $lc) { if (in_array($lc, $all_codes)) { $new_codes[] = $lc; } } // if no valid language codes, return false if (empty($new_codes)) { return false; } // store the new language codes self::$_langs = $new_codes; return true; }