Pimcore\Model\Document\PageSnippet::getCacheTags PHP Метод

    public function getCacheTags($tags = [])
    {
        $tags = is_array($tags) ? $tags : [];
        $tags = parent::getCacheTags($tags);
        foreach ($this->getElements() as $element) {
            $tags = $element->getCacheTags($this, $tags);
        }
        return $tags;
    }