Using php to force download a pdf

Question

Im trying to get a website to have a button that forces a download of a pdf.

Heres the html of the button:

Answer 1

By the way, a bit late, but to identify the problem properly here:

Your download script is at scripts/download.php and the file you want to download is at documents/[...].pdf.

Therefore, your readfile() function should be traversing to the parent directory (outside of scripts/), e.g. readfile('../documents/[...].pdf');.