
<?php
function download($path) {
              // fix for IE catching or PHP bug issue
              header("Pragma: public");
              header("Expires: 0"); // set expiration time
              header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
              // browser must download file from server instead of cache

              // force download dialog
              header("Content-Type: application/force-download");
              header("Content-Type: application/octet-stream");
              header("Content-Type: application/download");

              // use the Content-Disposition header to supply a recommended filename and
              // force the browser to display the save dialog.
              header("Content-Disposition: attachment; filename=".basename($path).";");

              /*
              The Content-transfer-encoding header should be binary, since the file will be read
              directly from the disk and the raw bytes passed to the downloading computer.
              The Content-length header is useful to set for downloads. The browser will be able to
              show a progress meter as a file downloads. The content-lenght can be determines by
              filesize function returns the size of a file.
              */
              header("Content-Transfer-Encoding: binary");
              header("Content-Length: ".filesize($path));

              @readfile($path);
}
?>