php 实现redis发布订阅消息及时通讯

<?php//发布$redis = new Redis();$redis->connect('127.0.0.1', 6379);$message='新年快乐';$ret=$redis->publish('中央广播电台',$message);  

<?php//订阅ini_set('default_socket_timeout', -1);  //不超时$redis = new Redis();$redis->connect('127.0.0.1', 6379);$result=$redis->subscribe(array('中央广播电台'), 'callback');function callback($instance,$channelName,$message){echo $message;}