Prado\Web\UI\WebControls\TOutputCache::render PHP Method

    public function render($writer)
    {
        if ($this->_dataCached) {
            $writer->write($this->_contents);
        } else {
            if ($this->_cacheAvailable) {
                $textwriter = new TTextWriter();
                $multiwriter = new TOutputCacheTextWriterMulti(array($writer->getWriter(), $textwriter));
                $htmlWriter = Prado::createComponent($this->GetResponse()->getHtmlWriterType(), $multiwriter);
                $stack = $this->getPage()->getCachingStack();
                $stack->push($this);
                parent::render($htmlWriter);
                $stack->pop();
                $content = $textwriter->flush();
                $data = array($content, $this->_state, $this->_actions, time());
                $this->_cache->set($this->getCacheKey(), $data, $this->getDuration(), $this->getCacheDependency());
            } else {
                parent::render($writer);
            }
        }
    }