swoole_http_client->upgrade

发起WebSocket握手请求,并将连接升级为WebSocket。

function swoole_http_client->upgrade(string $path, callable $callback);

使用实例

$cli = new swoole_http_client('127.0.0.1', 9501);

$cli->on('message', function ($_cli, $frame) {
    var_dump($frame);
});

$cli->upgrade('/', function ($cli) {
    echo $cli->body;
    $cli->push("hello world");
});

onMessage回调

function onMessage(swoole_http_client $client, swoole_websocket_frame $frame);