$filelist = '';
foreach ($files as $file) {
   $filelist .= "<a href='{$upload_dir}{$file['name']}'>".$file['name']."</a> - URL: <b>{$upload_url}{$file['name']}</b>";
   $filelist .= " Added at  ".date("d-m H:i", filemtime($upload_dir.$file['name']))."";
   $filelist .= " <a style='text-decoration:none; font-weight:bold'  href='?del=$upload_dir".urlencode($file['name'])."' title='delete'>x</a>";
   $filelist .="<br>";
}