Baum\Extensions\Eloquent\Collection::toSortedHierarchy PHP Метод

    public function toSortedHierarchy()
    {
        $dict = $this->getDictionary();
        // Enforce sorting by $orderColumn setting in Baum\Node instance
        uasort($dict, function ($a, $b) {
            return $a->getOrder() >= $b->getOrder() ? 1 : -1;
        });
        return new BaseCollection($this->hierarchical($dict));
    }