    public static function sitemap() {
        switch (SMART_URL) {
            case true:
                # code...
                $inFold = (Options::v('permalink_use_index_php') == "on")? "/index.php":"";
                $url = Site::$url.$inFold."/sitemap".GX_URL_PREFIX;
                break;

            default:
                # code...
                $url = Site::$url."/index.php?page=sitemap";
                break;

        }

        return $url;
    }

The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.