Prado\Web\UI\TCachePageStatePersister::save PHP Метод

    public function save($data)
    {
        $timestamp = (string) microtime(true);
        $key = $this->calculateKey($timestamp);
        $this->getCache()->add($key, $data, $this->_timeout);
        $this->_page->setClientState(TPageStateFormatter::serialize($this->_page, $timestamp));
    }