PHP readfile() adding extra bytes to downloaded file

Question

I am trying to troubleshoot an issue I am having with downloading a \"zip\" file from a php script. It seems that when I download the file using the following code, the dow

Answer 1

I had same problem So I used this headers and I got my solution.

    $filename = ABSPATH.'/wp-content/summary/user_content/'.trim($file);
    header('Pragma: public');
    header('Expires: 0');
    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
    header('Content-Description: File Transfer');
    header('Content-Type: text/text');
    header('Content-Disposition: attachment; filename="'.$file.'"');
    header('Content-Transfer-Encoding: binary');
    header('Cache-Control: max-age=0');
    readfile($filename);
    exit;