public function link($action = null)
    {
        if ($action) {
            return Controller::join_links($this->link, $action);
        }

        return $this->link;
    }
public function link($action = null)
    {
        if ($action) {
            return Controller::join_links($this->link, $action);
        }

        return $this->link;
    }
public function link ( $ action = null ) { if ( $ action ) { return Controller :: join_links ( $ this -> link , $ action ) ; } return $ this -> link ; }
Return a link to this request handler.
The link returned is supplied in the constructor

@param null|string $action
@return string
Return a link to this request handler . The link returned is supplied in the constructor