function Crawler::addNode

Adds a \DOMNode instance to the list of nodes.

Parameters

\DOMNode $node A \DOMNode instance:

3 calls to Crawler::addNode()

Crawler::add in vendor/symfony/dom-crawler/Crawler.php

Adds a node to the current list of nodes.

Crawler::addDocument in vendor/symfony/dom-crawler/Crawler.php

Adds a \DOMDocument to the list of nodes.

Crawler::addNodeList in vendor/symfony/dom-crawler/Crawler.php

Adds a \DOMNodeList to the list of nodes.

File

vendor/symfony/dom-crawler/Crawler.php, line 272

Class

Crawler

Crawler eases navigation of a list of \DOMNode objects.

Namespace

Symfony\Component\DomCrawler

Code

public function addNode(\DOMNode $node) : void {
    if ($node instanceof \DOMDocument) {
        $node = $node->documentElement;
    }
    if (null !== $this->document && $this->document !== $node->ownerDocument) {
        throw new \InvalidArgumentException('Attaching DOM nodes from multiple documents in the same crawler is forbidden.');
    }
    $this->document ??= $node->ownerDocument;
    // Don't add duplicate nodes in the Crawler
    if (\in_array($node, $this->nodes, true)) {
        return;
    }
    $this->nodes[] = $node;
}