How can the duration of a session be accurately monitored in PHP, considering the limitations of session-get-cookie-params?

The session duration can be accurately monitored in PHP by storing the session start time in a session variable and comparing it with the current time on subsequent requests. This can be achieved by setting a custom session variable to track the start time and checking the elapsed time against a predefined session timeout value. 

// Start the session
session_start();

// Set session start time if not already set
if (!isset($_SESSION['start_time'])) {
    $_SESSION['start_time'] = time();
}

// Check if session has exceeded the timeout duration (e.g. 30 minutes)
if (time() - $_SESSION['start_time'] > 1800) {
    // Session has expired, destroy it
    session_unset();
    session_destroy();
    // Redirect to login page or perform any other action
    header("Location: login.php");
    exit;
}

Keywords

session duration monitoring PHP session-get-cookie-params limitations

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