What strategies can be implemented to improve the handling of user sessions and logouts in PHP applications, considering different user behaviors and browser functionalities?

Issue: To improve the handling of user sessions and logouts in PHP applications, it is important to consider different user behaviors and browser functionalities. Implementing proper session management and logout mechanisms can enhance the security and user experience of the application. 

// Start a session
session_start();

// Check if the user is logged in
if(isset($_SESSION['user_id'])) {
    // User is logged in, perform logout actions
    session_unset();
    session_destroy();
    header("Location: login.php");
    exit();
} else {
    // User is not logged in, redirect to login page
    header("Location: login.php");
    exit();
}

Keywords

session management logout functionality user behavior browser compatibility PHP functions error handling

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