How to download a file then redirect to another page in php?

Question

Okay, I have the following php file:

Answer 1

This code worked in my situation well. Maybe it will help you. It is main page:

  Download

This script in main page:

$(document).on('submit', 'form', function() {
  setTimeout(function() {
    window.location = "/thanks.html";
  }, 1000);
});

You must write your php code for download in dowload.php. If in download.php your code only downloads file, then your main page will not be reloaded. So the script which handles form will work.