function Crawler::html
Returns the first node of the list as HTML.
Parameters
string|null $default When not null: the value to return when the current node is empty:
Throws
\InvalidArgumentException When current node is empty
File
-
vendor/
symfony/ dom-crawler/ Crawler.php, line 595
Class
- Crawler
- Crawler eases navigation of a list of \DOMNode objects.
Namespace
Symfony\Component\DomCrawlerCode
public function html(?string $default = null) : string {
if (!$this->nodes) {
if (null !== $default) {
return $default;
}
throw new \InvalidArgumentException('The current node list is empty.');
}
$node = $this->getNode(0);
$owner = $node->ownerDocument;
if ($this->html5Parser && '<!DOCTYPE html>' === $owner->saveXML($owner->childNodes[0])) {
$owner = $this->html5Parser;
}
$html = '';
foreach ($node->childNodes as $child) {
$html .= $owner->saveHTML($child);
}
return $html;
}