"prevent back button after logout" Answer’s

0

Implement this in PHP and not javascript.

At the top of each page, check to see if the user is logged in. If not, they should be redirected to a login page:

<?php 
      if(!isset($_SESSION['logged_in'])) : 
      header("Location: login.php");  
?>

As you mentioned, on logout, simply unset the logged_in session variable, and destroy the session:

<?php
      unset($_SESSION['logged_in']);  
      session_destroy();  
?>

If the user clicks back now, no logged_in session variable will be available, and the page will not load.

Wednesday, March 31, 2021
 
Jesse
answered 11 Months ago
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