WordPress does NOT use $_SESSION variable, nor the session_start(). Even the function wp_unregister_GLOBALS() in load.php tries to turn it off. This feature does not mean that you cannot use $_SESSION data for your purpose.
WordPress does NOT use $_SESSION variable, nor the session_start(). Even the function wp_unregister_GLOBALS() in load.php tries to turn it off. This feature does not mean that you cannot use $_SESSION data for your purpose.