Pimcore\Model\Document::getChildren PHP Метод

    public function getChildren($unpublished = false)
    {
        if ($this->childs === null) {
            $list = new Document\Listing();
            $list->setUnpublished($unpublished);
            $list->setCondition("parentId = ?", $this->getId());
            $list->setOrderKey("index");
            $list->setOrder("asc");
            $this->childs = $list->load();
        }
        return $this->childs;
    }

 /**
  * @param bool $unpublished
  * @return array|null
  */
 public function getChildren($unpublished = false)
 {
     if ($this->childs === null) {
         $childs = parent::getChildren();
         $sourceChildren = [];
         if ($this->getChildsFromSource() && $this->getSourceDocument() && !\Pimcore::inAdmin()) {
             $sourceChildren = $this->getSourceDocument()->getChildren();
             foreach ($sourceChildren as &$c) {
                 $c = Document\Hardlink\Service::wrap($c);
                 $c->setHardLinkSource($this);
                 $c->setPath(preg_replace("@^" . preg_quote($this->getSourceDocument()->getRealFullPath()) . "@", $this->getRealFullPath(), $c->getRealPath()));
             }
         }
         $childs = array_merge($sourceChildren, $childs);
         $this->setChildren($childs);
     }
     return $this->childs;
 }