public function hidden($name, $attr = array())
    {
        return $this->input(
            $name,
            false,
            array_merge(
                $attr,
                array('type' => 'hidden', 'wrapper' => false)
            )
        );
    }
public function hidden($name, $attr = array())
    {
        return $this->input(
            $name,
            false,
            array_merge(
                $attr,
                array('type' => 'hidden', 'wrapper' => false)
            )
        );
    }
public function hidden ( $ name , $ attr = array ( ) ) { return $ this -> input ( $ name , false , array_merge ( $ attr , array ( 'type' => 'hidden' , 'wrapper' => false ) ) ) ; }
shortcut for hidden input field

@param   string          input name (dot notation for multi-dimensional array)
@param   array           input attributes
@return  string
shortcut for hidden input field