setOption(); $redis->subscribe(array('__keyevent@15__:expired'), 'keyCallback'); function keyCallback($redis, $pattern, $chan, $msg) { //@TODO 缓存key失效后续处理 //CacheKeyPrefix_ActionType_ActionOption_ActionParam $params = explode('_', $msg); if(count($params) == 4 && $params[1] == 'order'){ //订单处理 echo $params[2]; } }