How can the issue of the URL not changing after logout in PHP be resolved?

The issue of the URL not changing after logout in PHP can be resolved by using session variables to track the user's login status. When the user logs out, the session variables should be unset to clear the login status. This will ensure that the URL reflects the correct state of the user's authentication. 

<?php
session_start();

// Check if user is logged in
if(isset($_SESSION['logged_in']) && $_SESSION['logged_in'] === true) {
    // User is logged in, perform logout actions
    unset($_SESSION['logged_in']);
    // Redirect to homepage or login page
    header("Location: index.php");
    exit();
} else {
    // Redirect to homepage or login page
    header("Location: index.php");
    exit();
}
?>

Keywords

PHP session management header function redirection logout

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