Method handleLink

/**
 * Method to handle the `<link>` 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 handleLink(Feed $feed, \SimpleXMLElement $el)
{
    $link = new FeedLink();
    $link->uri = (string) $el['href'];
    $link->language = (string) $el['hreflang'];
    $link->length = (int) $el['length'];
    $link->relation = (string) $el['rel'];
    $link->title = $this->inputFilter->clean((string) $el['title'], 'html');
    $link->type = (string) $el['type'];
    $feed->link = $link;
}