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| This PHP function automatically logs out a user after a specified amount of inactivity. | |
| Usage: Add this PHP code to the top of your pages | |
| <?php | |
| session_start(); | |
| $inactive = 30; // Set timeout minutes | |
| $logout_redirect_url = "index.php"; // Set logout URL | |
| auto_logout($inactive, $logout_redirect_url); | |
| function auto_logout($inactive, $logout_redirect_url) | |
| { | |
| global $inactive, $logout_redirect_url; | |
| $inactive = $inactive * 60; // Converts minutes to seconds | |
| if (isset($_SESSION['start_time'])) | |
| { | |
| $elapsed_time = time() - $_SESSION['start_time']; | |
| if ($elapsed_time >= $inactive) | |
| { | |
| session_destroy(); | |
| header("Location: $logout_redirect_url"); | |
| } | |
| } | |
| $_SESSION['start_time'] = time(); | |
| } |
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