Posted By

acosonic on 11/05/09

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Last Edited at 11/05/09 02:51am

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PHP force file download instead opening in new tab/window

/ Published in: PHP

provide file via URL var, and script will grab it & force download. Take a look at code, and add some of your filetypes if required

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$file_name = $_GET['file'];
 
// make sure it's a file before doing anything!
if(is_file($file_name))
{
 
    /*
        Do any processing you'd like here:
        1.  Increment a counter
        2.  Do something with the DB
        3.  Check user permissions
        4.  Anything you want!
    */
 
    // required for IE
    if(ini_get('zlib.output_compression')) { ini_set('zlib.output_compression', 'Off'); }
 
    // get the file mime type using the file extension
    switch(strtolower(substr(strrchr($file_name,'.'),1)))
    {
        case 'pdf': $mime = 'application/pdf'; break;
        case 'zip': $mime = 'application/zip'; break;
        case 'jpeg':
        case 'jpg': $mime = 'image/jpg'; break;
        default: $mime = 'application/force-download';
    }
    header('Pragma: public');   // required
    header('Expires: 0');       // no cache
    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
    header('Cache-Control: private',false);
    header('Content-Type: '.$mime);
    header('Content-Disposition: attachment; filename="'.basename($file_name).'"');
    header('Content-Transfer-Encoding: binary');
    header('Content-Length: '.filesize($file_name));    // provide file size
    readfile($file_name);       // push it out
    exit();
 
}