for ($upl = 0; $upl < $helper->getConfig('xn_maxattachments'); ++$upl) {
                $uploader = new \XoopsMediaUploader($uploaddir, $helper->getConfig('xn_mimetypes'), $helper->getConfig('xn_maxsize'), null, null);
                if ($uploader->fetchMedia(@$_POST['xoops_upload_file'][$upl])) {
                    //$uploader->setPrefix("xn_") ; keep original name
                    $uploader->fetchMedia($_POST['xoops_upload_file'][$upl]);