Code-Snippets-Functions/Execute a function on a child site/WordPress/force-idle-automatic-logout.txt

function force_logout_idle_users() {
    // Set the idle time limit (in seconds)
    $idle_time_limit = 3 * 60 * 60; // 3 hours

    // Get the current user
    $user = wp_get_current_user();

    // Check if the user is logged in
    if (is_user_logged_in()) {
        $last_activity = get_user_meta($user->ID, 'last_activity', true);

        // Check if last activity time is set
        if (!empty($last_activity)) {
            $current_time = time();

            // Calculate idle time
            $idle_time = $current_time - $last_activity;

            // If the user has been idle for more than the limit, log them out
            if ($idle_time >= $idle_time_limit) {
                wp_logout();
            }
        }
    }
}

// Hook the function to run on WordPress init action
add_action('init', 'force_logout_idle_users');

// Update last activity time on every page load
function update_last_activity_time() {
    // Get the current user
    $user = wp_get_current_user();

    // Check if the user is logged in
    if (is_user_logged_in()) {
        // Update last activity time
        update_user_meta($user->ID, 'last_activity', time());
    }
}

// Hook the function to run on WordPress init action
add_action('init', 'update_last_activity_time');