Sonata\ProductBundle\Entity\ProductCategoryManager::getCategoryTree PHP Метод

    public function getCategoryTree()
    {
        $qb = $this->getRepository()->createQueryBuilder('pc')->select('c, pc')->leftJoin('pc.category', 'c')->where('pc.enabled = true')->andWhere('c.enabled = true')->groupBy('c.id');
        $pCategories = $qb->getQuery()->execute();
        $categoryTree = array();
        foreach ($pCategories as $category) {
            $this->putInTree($category->getCategory(), $categoryTree);
        }
        return $categoryTree;
    }