请教ws断开后redis链接如何删除？

Workerman\RedisQueue\Client本身是复用连接的，不会建立很多连接。Workerman\RedisQueue\Client目前不支持关闭,

$ws->onClose = function($connection)
{
    $connection->close();
    unset($connection);
};

另外这个代码是关闭客户端ws连接，并不是关闭Workerman\RedisQueue\Client。unset($connection);这句没有必要，$connection在函数里是临时变量，出了函数作用域自然就释放了.

“否则多次链接之后，redis进程越来越多了”
这个也是错误说法，多次连接不会影响进程数，进程和连接是有区别的。进程数是固定的，启动后就不会变动了。
客户端多次连接，不影响Workerman\RedisQueue\Client连接数，Workerman\RedisQueue\Client会复用连接。开发过程中不用关注Workerman\RedisQueue\Client的连接数。

请教大佬，如下这样使用是否正确哦？

$ws->onWorkerStart = function() {
    global $asyncRedisQueue;
    $asyncRedisQueue = new AsyncRedisQueue('redis://127.0.0.1:6379');
};

$ws->onConnect = function($connection)
{
    // WebSocket连接成功
    $connection->onWebSocketConnect = function($connection)
    {
        global $asyncRedisQueue;
        // 订阅并推送消息
        $asyncRedisQueue->subscribe('Message:Center:Queue:' . $connection->id, function($info_json) use ($connection) {
            $connection->send($info_json);
        });
    };
};

$ws->onClose = function($connection)
{
    $connection->close();
};

谢谢大佬提点，已经改正

$ws->onWorkerStart = function() {
    global $asyncRedisQueue;
    $asyncRedisQueue = new AsyncRedisQueue('redis://127.0.0.1:6379');
};

$ws->onConnect = function($connection)
{
    // WebSocket连接成功
    $connection->onWebSocketConnect = function($connection)
    {
        global $asyncRedisQueue;
        // 订阅并推送消息
        $asyncRedisQueue->subscribe('Message:Center:Queue:' . $connection->id, function($info_json) use ($connection) {
            $connection->send($info_json);
        });
    };
};

$ws->onClose = function($connection)
{
    global $asyncRedisQueue;
    // 取消订阅
    $asyncRedisQueue->unsubscribe('Message:Center:Queue:' . $connection->id);
    $connection->close();
};