/**
* Method to handle the `<contributor>` element for the feed.
*
* @param Feed $feed The Feed object being built from the parsed feed.
* @param \SimpleXMLElement $el The current XML element object to handle.
*
* @return void
*
* @since 3.1.4
*/
protected function handleContributor(Feed $feed, \SimpleXMLElement $el)
{
$feed->addContributor($this->inputFilter->clean((string) $el->name, 'html'), filter_var((string) $el->email, FILTER_VALIDATE_EMAIL), filter_var((string) $el->uri, FILTER_VALIDATE_URL));
}