array (
  0 => 
  Predis\Response\Status::__set_state(array(
     'payload' => 'OK',
  )),
  1 => 10,
  2 => 40,
  3 => true,
  4 => '40',
  5 => 
  array (
    0 => NULL,
    1 => '40',
  ),
)