public function get_enclosure($key = 0, $prefer = null)
	{
		$enclosures = $this->get_enclosures();
		if (isset($enclosures[$key]))
		{
			return $enclosures[$key];
		}
		else
		{
			return null;
		}
	}
public function get_enclosure($key = 0, $prefer = null)
	{
		$enclosures = $this->get_enclosures();
		if (isset($enclosures[$key]))
		{
			return $enclosures[$key];
		}
		else
		{
			return null;
		}
	}
public function get_enclosure ( $ key = 0 , $ prefer = null ) { $ enclosures = $ this -> get_enclosures ( ) ; if ( isset ( $ enclosures [ $ key ] ) ) { return $ enclosures [ $ key ] ; } else { return null ; } }
Get an enclosure from the item

Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS.

@since Beta 2
@todo Add ability to prefer one type of content over another (in a media group).
@param int $key The enclosure that you want to return.  Remember that arrays begin with 0, not 1
@return SimplePie_Enclosure|null
Get an enclosure from the item