public static function getQueryString() { global $REX; // check if query string exists and parameters that shoud be ignored are not in params array if ($REX['ADDON']['seo42']['settings']['include_query_params'] && isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING'] != '' && seo42_utils::strposa($_SERVER['QUERY_STRING'], self::$ignoreQueryParams) === false) { return '?' . htmlspecialchars($_SERVER['QUERY_STRING']); } else { return ''; } }