if ($helper->getConfig('max_screenshot') >= 4) {
            if (isset($_FILES['screenshot4']['name']) && !empty($_FILES['screenshot4']['name'])) {
                $screenshot4 = mb_strtolower($_FILES['screenshot4']['name']);
                $uploader    = new MediaImgUploader($uploadDirectory, $allowedMimetypes, $helper->getConfig('maxfilesize'), $helper->getConfig('maximgwidth'), $helper->getConfig('maximgheight'));
                if (!$uploader->fetchMedia($_POST['xoops_upload_file'][4]) && !$uploader->upload()) {