Page If Back Button
I have a php page which is a sign up page, once signup is finished the user is redirected to a new page. Sometimes (and it's rare) the user hit's the back button and then re-submits the form etc. I mean like I said it's rare but still bothers me, so on the last page I kill all the sessions. Which only works if the user hits the back button but the page is refreshed. So basically I want to know if it's possible that when the back button is hit to refresh a php page?
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