Pimcore\Model\Document\Service::saveRecursive PHP Метод

    public static function saveRecursive($document, $collectGarbageAfterIteration = 25, &$saved = 0)
    {
        if ($document instanceof Document) {
            $document->save();
            $saved++;
            if ($saved % $collectGarbageAfterIteration === 0) {
                \Pimcore::collectGarbage();
            }
        }
        foreach ($document->getChilds() as $child) {
            if (!$child->hasChilds()) {
                $child->save();
                $saved++;
                if ($saved % $collectGarbageAfterIteration === 0) {
                    \Pimcore::collectGarbage();
                }
            }
            if ($child->hasChilds()) {
                self::saveRecursive($child, $collectGarbageAfterIteration, $saved);
            }
        }
    }