在php中实现Redis的订阅与发布

<?php//require_once dirname(__FILE__).‘/class/RedisClass.class.php‘;function init_redis(){ ??$redis = new Redis(); ??$redis->connect(‘127.0.0.1‘,‘6379‘); ??return $redis;}//键值过期是通知function psubscribe($callback){ ??$redis = init_redis(); ??$redis->psubscribe(array(‘__keyevent@*__:expired‘),$callback);}//订阅频道function subscribe($callback){ ??$redis = init_redis(); ??$redis->subscribe(array(‘sunsun‘),$callback);}//键值过期的回调函数function redisCallback($redis, $pattern, $channel, $message){ ???var_dump($redis); ???var_dump($pattern); ???var_dump($channel); ???var_dump($message);}//订阅的回调函数function redisCallbacks($redis, $channel, $message){ ???var_dump($redis); ???var_dump($channel); ???var_dump($message);}psubscribe(‘redisCallback‘);subscribe(‘redisCallbacks‘);