function logout() { global $valid_user; $tmpuser = ""; /** * first check if he/she is really * logged in */ if (session_is_registered('valid_user')) { $tmpuser = $_SESSION['valid_user']; $res = session_unregister('valid_user'); session_destroy(); if ($res) { dontRememberUser($tmpuser); /** * analytics code here */ $ans = new Analytics(); $ans->loggedOut($tmpuser); return true; } else { return false; } } else { return false; } }