<?php 
$myfilename=$_GET['filename'];
$filepath = $_SERVER['DOCUMENT_ROOT']."/uploads/".$myfilename;
if (file_exists($filepath)) {
//download application
   header("Content-Type: application/force-download");
   //the filename will be given below
   header("Content-Disposition:filename=\"$myfilename\"");
   
   header('Content-Description: File Transfer');
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename='.basename($myfilename));
    header('Content-Transfer-Encoding: binary');
    header('Expires: 0');
    header('Cache-Control: must-revalidate');
    header('Pragma: public');
   
//open file in binary mode   
$my_file = fopen($filepath, 'rb');
//output data
   fpassthru($my_file);
//close file
   fclose($my_file);
   }
?>