<?php
 namespace Engine\Cache; class Dummy implements \Engine\Cache\BaseInterface { public function set($key, $value, $expireTime=0) :void { } public function get($key) { return null; } public function delete($key) :void { } public function flush() :bool { return true; } public function getInfo($key) { $return = [ 'key' => $key, 'exists' => false, ]; return $return; } } 