public function get_author($key = 0)
	{
		$authors = $this->get_authors();
		if (isset($authors[$key]))
		{
			return $authors[$key];
		}
		else
		{
			return null;
		}
	}
public function get_author($key = 0)
	{
		$authors = $this->get_authors();
		if (isset($authors[$key]))
		{
			return $authors[$key];
		}
		else
		{
			return null;
		}
	}
public function get_author ( $ key = 0 ) { $ authors = $ this -> get_authors ( ) ; if ( isset ( $ authors [ $ key ] ) ) { return $ authors [ $ key ] ; } else { return null ; } }
Get an author for the feed

@since 1.1
@param int $key The author that you want to return. Remember that arrays begin with 0, not 1
@return SimplePie_Author|null
Get an author for the feed