public static function available_new_languages() { $all_langs = Base_LangCommon::get_all_languages(); $installed_langs = Base_LangCommon::get_installed_langs(); foreach ($installed_langs as $lang_code => $language_name) { unset($all_langs[$lang_code]); } foreach ($all_langs as $code => $name) { $all_langs[$code] .= " ({$code})"; } return $all_langs; }