/**
* Extracts URLs from tag attributes.
*
* @param Document $Document Document.
* @param string $tag Tag name.
* @param string $attribute Attribute name.
* @return array URLs.
*/
protected function _extractUrlsFromtags(Document $Document, $tag, $attribute)
{
$tags = $Document->tags($tag);
return array_map(function ($Tag) use($attribute) {
return $Tag->get($attribute);
}, $tags);
}
/**
* {@inheritDoc}
*/
public function __construct($html)
{
parent::__construct($html);
$this->_fixCharset();
$this->_loadDocument();
}