Sulu\Bundle\ContactBundle\Twig\ContactTwigExtension::resolveContactFunction PHP Метод

    public function resolveContactFunction($id)
    {
        if ($this->cache->contains($id)) {
            return $this->cache->fetch($id);
        }
        $contact = $this->contactRepository->find($id);
        if ($contact === null) {
            return;
        }
        $this->cache->save($id, $contact);
        return $contact;
    }