<?php
ini_set('display_errors',1); // enable php error display for easy trouble shooting
error_reporting(E_ALL); // set error display to all


function download($url) {
    $file_headers = @get_headers($url);
    // if (!$file_headers || $file_headers[0] == 'HTTP/1.1 404 Not Found') {
        // $router = new router;
        // $router->show_error("URL DOES NOT EXIST");
    // }    else    {

        switch(strtolower(substr(strrchr($url, '.'), 1))) {
            case 'pdf':
            $mime = 'application/pdf';
            break;
            case 'zip':
            $mime = 'application/zip';
            break;
            case 'jpeg':
            $mime = 'image/jpeg';
            break;
            case 'jpg':
            $mime = 'image/jpg';
            break;
            default:
            $mime = 'application/force-download';
        }
        set_time_limit(0);
        header('Pragma: public'); // required
        header('Expires: 0'); // no cache
        header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
        header('Last-Modified: '.gmdate ('D, d M Y H:i:s', filemtime ($url)).' GMT');
        header('Cache-Control: private',false);
        header('Content-Type: '.$mime);
        header('Content-Disposition: attachment; filename="'.basename($url).'"');
        header('Content-Transfer-Encoding: binary');
        header('Content-Length: '.filesize($url)); // provide file size
        header('Connection: close');
        readfile($url); // push it out
        exit();
    // }
}


$url = 'vm.jpg';
download($url);
?>