comodojo / cache

            return new Item($key);

        } else {

            foreach ( $this->stack as $provider ) {

                $result[] = $provider[0]->hasItem($key);

                // selected provider has no sense in this case

                $this->selected = $provider[0];

            }

            return !in_array(false, $result);

        }

    }

            // return array_combine($key, array_fill(0, count($key), $default));

        } else {

            foreach ( $this->stack as $provider ) {

                $result[] = $provider[0]->has($key);

                // selected provider has no sense in this case

                $this->selected = $provider[0];

            }

            return !in_array(false, $result);

        }

    }