private static function autoconnect() { $cookie = self::$request->get_cookie(self::$AUTOCONNECT_COOKIE_NAME); $user_id = AutoConnectData::get_user_id_from_cookie($cookie); if ($user_id != Session::VISITOR_SESSION_ID) { return SessionData::create_from_user_id($user_id); } else { self::$response->delete_cookie(self::$AUTOCONNECT_COOKIE_NAME); return self::create_visitor(); } }