Pimcore\Model\Document\Tag\Snippet::frontend PHP Метод

    public function frontend()
    {
        if ($this->getView() instanceof \Zend_View) {
            try {
                if ($this->snippet instanceof Document\Snippet) {
                    $params = $this->options;
                    $params["document"] = $this->snippet;
                    if ($this->snippet->isPublished()) {
                        // check if output-cache is enabled, if so, we're also using the cache here
                        $cacheKey = null;
                        if ($cacheConfig = \Pimcore\Tool\Frontend::isOutputCacheEnabled()) {
                            // cleanup params to avoid serializing Element\ElementInterface objects
                            $cacheParams = $params;
                            array_walk($cacheParams, function (&$value, $key) {
                                if ($value instanceof Model\Element\ElementInterface) {
                                    $value = $value->getId();
                                }
                            });
                            $cacheKey = "tag_snippet__" . md5(serialize($cacheParams));
                            if ($content = Cache::load($cacheKey)) {
                                return $content;
                            }
                        }
                        $content = $this->getView()->action($this->snippet->getAction(), $this->snippet->getController(), $this->snippet->getModule(), $params);
                        // write contents to the cache, if output-cache is enabled
                        if ($cacheConfig) {
                            Cache::save($content, $cacheKey, ["output", "output_inline"], $cacheConfig["lifetime"]);
                        }
                        return $content;
                    }
                    return "";
                }
            } catch (\Exception $e) {
                if (\Pimcore::inDebugMode()) {
                    return "ERROR: " . $e->getMessage() . " (for details see debug.log)";
                }
                Logger::error($e);
            }
        } else {
            return null;
        }
    }