$filename = 'files/' . $ident . '.xml';
    $ctype="application/force-download";
    header("Pragma: public"); // required
    header("Expires: 0");
    header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
    header("Cache-Control: private",false); // required for certain browsers
    header("Content-Type: $ctype");
    // change, added quotes to allow spaces in filenames, by Rajkumar Singh
    header("Content-Disposition: attachment; filename="".basename($filename)."";" );
    header("Content-Transfer-Encoding: binary");
    header("Content-Length: ".filesize($filename));
    readfile("$filename");