return extension_loaded('tidy') ? call_user_func(
                function () use ($att) {
                            $tidy = new tidy();
                            $tidy->parseString($att, ['show-body-only' => TRUE, 'indent' => TRUE, 'output-xhtml' => TRUE, 'wrap' => 200], 'utf8');
                            return $tidy->value . $end;