Method processElementForFeed

/**
 * Method to handle an element for the feed given that a certain namespace is present.
 *
 * @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
 */
public function processElementForFeed(Feed $feed, \SimpleXMLElement $el);