CAS_Client::_callback PHP Метод

    private function _callback()
    {
        phpCAS::traceBegin();
        if (preg_match('/PGTIOU-[\\.\\-\\w]/', $_GET['pgtIou'])) {
            if (preg_match('/[PT]GT-[\\.\\-\\w]/', $_GET['pgtId'])) {
                $this->printHTMLHeader('phpCAS callback');
                $pgt_iou = $_GET['pgtIou'];
                $pgt = $_GET['pgtId'];
                phpCAS::trace('Storing PGT `' . $pgt . '\' (id=`' . $pgt_iou . '\')');
                echo '<p>Storing PGT `' . $pgt . '\' (id=`' . $pgt_iou . '\').</p>';
                $this->_storePGT($pgt, $pgt_iou);
                $this->printHTMLFooter();
                phpCAS::traceExit("Successfull Callback");
            } else {
                phpCAS::error('PGT format invalid' . $_GET['pgtId']);
                phpCAS::traceExit('PGT format invalid' . $_GET['pgtId']);
            }
        } else {
            phpCAS::error('PGTiou format invalid' . $_GET['pgtIou']);
            phpCAS::traceExit('PGTiou format invalid' . $_GET['pgtIou']);
        }
        // Flush the buffer to prevent from sending anything other then a 200
        // Success Status back to the CAS Server. The Exception would normally
        // report as a 500 error.
        flush();
        throw new CAS_GracefullTerminationException();
    }