Facebook\InstantArticles\Elements\Element::emptyElement PHP Метод

emptyElement() защищенный Метод

Method to create an empty fragment if isValid() is false in toDOMElement()
protected emptyElement ( DOMDocument $document )
$document DOMDocument the document that will contain the empty element.
    protected function emptyElement($document)
    {
        $fragment = $document->createDocumentFragment();
        $fragment->appendChild($document->createTextNode(''));
        return $fragment;
    }