If I had a user logged onto my site, having his id stored in $_SESSION, and from his browser he clicked a \'Save\' button which would make an AJAX request to th
What you're really getting at is: are cookies sent to with the AJAX request? Assuming the AJAX request is to the same domain (or within the domain constraints of the cookie), the answer is yes. So AJAX requests back to the same server do retain the same session info (assuming the called scripts issue a session_start() as per any other PHP script wanting access to session information).