PHP は Redis キーの障害をリッスンし、コールバック イベントをトリガーします

//遇到类别重复的报错，所有叫Redis2
class Redis2   
{
    private $redis;
 
    public function __construct($host = '127.0.0.1', $port = 6379)
    {
        $this->redis = new Redis();
        $this->redis->connect($host, $port);
    }
 
    public function setex($key, $time, $val)
    {
        return $this->redis->setex($key, $time, $val);
    }
 
    public function set($key, $val)
    {
        return $this->redis->set($key, $val);
    }
 
    public function get($key)
    {
        return $this->redis->get($key);
    }
 
    public function expire($key = null, $time = 0)
    {
        return $this->redis->expire($key, $time);
    }
 
    public function psubscribe($patterns = array(), $callback)
    {
        $this->redis->psubscribe($patterns, $callback);
    }
 
    public function setOption()
    {
        $this->redis->setOption(\Redis::OPT_READ_TIMEOUT, -1);
    }
 
}

require_once './Redis.class.php';
$redis = new \Redis2();
// 解决Redis客户端订阅时候超时情况
$redis->setOption();
$redis->psubscribe(array('__keyevent@0__:expired'), 'keyCallback');
// 回调函数,这里写处理逻辑
function keyCallback($redis, $pattern, $chan, $msg)
{
    echo "Pattern: $pattern\n";
    echo "Channel: $chan\n";
    echo "Payl
    oad: $msg\n\n";
    //keyCallback为订阅事件后的回调函数，这里写业务处理逻辑，
    //比如前面提到的商品不支付自动撤单，这里就可以根据订单id,来实现自动撤单 
}

require_once './Redis.class.php';
$redis = new \Redis2();
$order_id = 123;
$redis->setex('order_id',10,$order_id);