Symfony\Component\DomCrawler\Crawler::addNodeList PHP Method

    public function addNodeList(\DOMNodeList $nodes)
    {
        foreach ($nodes as $node) {
            if ($node instanceof \DOMNode) {
                $this->addNode($node);
            }
        }
    }

 public function testAddNodeList()
 {
     $crawler = new Crawler();
     $crawler->addNodeList($this->createNodeList());
     $this->assertEquals('foo', $crawler->filterXPath('//div')->attr('class'), '->addNodeList() adds nodes from a \\DOMNodeList');
 }