I have a login system, and while logged in, if I refresh the browser, Chrome shows a pop up window titled \"Confirm Form Resubmission.\" I assume that the same thing would
After processing the POST page, redirect the user to the same page.
On http://test.com/test.php
http://test.com/test.php
header('Location: http://test.com/test.php');
This will get rid of the box, as refreshing the page will not resubmit the data.