function logout() { $u = $this->getLoginUser(); if (!$u) { return '<ret>0</ret>'; } setcookie('orca_pwd', 'orca_pwd', time() - 86400); setcookie('orca_user', 'orca_user', time() - 86400); setcookie('track_topics', 'track_topics', time() - 86400); $db = new DbForum(); $db->updateUserLastActivity($u); return '<ret>1</ret>'; }