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

    public function links()
    {
        $links = array();
        foreach ($this->nodes as $node) {
            if (!$node instanceof \DOMElement) {
                throw new \InvalidArgumentException(sprintf('The current node list should contain only DOMElement instances, "%s" found.', get_class($node)));
            }
            $links[] = new Link($node, $this->baseHref, 'get');
        }
        return $links;
    }