Are there any specific PHP functions or libraries that can help implement automatic logout functionality?

To implement automatic logout functionality in PHP, you can use the `session_start()` function to start a session and set a timeout period for the session. You can then check the session expiration time against the current time on each page load to automatically log the user out after a certain period of inactivity. 

// Start the session
session_start();

// Set the session timeout period to 30 minutes
$inactive = 1800; // 30 minutes

// Check if the session variable for last activity time is set
if(isset($_SESSION['last_activity']) && (time() - $_SESSION['last_activity'] > $inactive)) {
    // Log the user out
    session_unset();
    session_destroy();
}

// Update the last activity time on each page load
$_SESSION['last_activity'] = time();

Keywords

PHP automatic logout functions libraries implementation

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