Pimcore\Model\Document\Hardlink::getChildren PHP Method

    public function getChildren($unpublished = false)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;
    }