QueryPath\CSS\QueryPathEventHandler::emptyElement PHP Метод

    protected function emptyElement()
    {
        $found = new \SplObjectStorage();
        $matches = $this->candidateList();
        foreach ($matches as $item) {
            $empty = true;
            foreach ($item->childNodes as $kid) {
                // From the spec: Elements and Text nodes are the only ones to
                // affect emptiness.
                if ($kid->nodeType == XML_ELEMENT_NODE || $kid->nodeType == XML_TEXT_NODE) {
                    $empty = false;
                    break;
                }
            }
            if ($empty) {
                $found->attach($item);
            }
        }
        $this->matches = $found;
    }