CAS_Client::_initPGTStorage PHP Method

    private function _initPGTStorage()
    {
        // if no SetPGTStorageXxx() has been used, default to file
        if (!is_object($this->_pgt_storage)) {
            $this->setPGTStorageFile();
        }
        // initializes the storage
        $this->_pgt_storage->init();
    }