How to force file download with PHP

Question

I want to require a file to be downloaded upon the user visiting a web page with PHP. I think it has something to do with file_get_contents, but am not sure how

Answer 1

http://php.net/manual/en/function.readfile.php

That's all you need. "Monkey.gif" change to your file name. If you need to download from other server, "monkey.gif" change to "http://www.exsample.com/go.exe"