Habari\Vocabulary::get_tree PHP Метод

    public function get_tree($orderby = 'mptt_left ASC')
    {
        $query = Query::create('{terms}')->select('{terms}.*');
        $query->where()->in('vocabulary_id', $this->id);
        // If the vocabulary is unique, save the extra mess of queries and fetch the object data, too
        if (in_array('unique', $this->features)) {
            $query->join('LEFT JOIN {object_terms} on {object_terms}.term_id = {terms}.id', array(), 'object_terms');
            $query->join('LEFT JOIN {object_types} on {object_types}.id = {object_terms}.object_type_id', array(), 'object_types');
            $query->select('{object_terms}.object_id');
            $query->select('{object_types}.name AS type');
        }
        $query->orderby($orderby);
        return new Terms($query->results('Term'));
    }