Prado\Web\UI\TPageStatePersister::load PHP Метод

    public function load()
    {
        if (($data = TPageStateFormatter::unserialize($this->_page, $this->_page->getRequestClientState())) !== null) {
            return $data;
        } else {
            throw new THttpException(400, 'pagestatepersister_pagestate_corrupted');
        }
    }