F 修复可能导致网关进程退出的问题

[xiasf]

修复 gateway-worker 项目中 Gateway::closeClient($client_id, (array) $message); 会导致 网关进程报错退出的问题：

2023-03-08 17:50:28 pid:19154 Workerman[/home/myweb/spug_repos/gatewayworker_test/23_20230308175027/Applications/AdvertApp/start_g.php] already running 2023-03-09 10:46:19 pid:1361 Exception: You can't send(array) to client, you need to convert it to a string. in /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Protocols/Websocket.php:230 Stack trace: #0 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Connection/TcpConnection.php(321): Workerman\Protocols\Websocket::encode(Array, Object(Workerman\Connection\TcpConnection)) #1 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Connection/TcpConnection.php(821): Workerman\Connection\TcpConnection->send(Array, false) #2 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/gateway-worker/src/Gateway.php(603): Workerman\Connection\TcpConnection->close(Array) #3 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Connection/TcpConnection.php(638): GatewayWorker\Gateway->onWorkerMessage(Object(Workerman\Connection\TcpConnection), Array) #4 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Events/Select.php(295): Workerman\Connection\TcpConnection->baseRead(Resource id #11674178) #5 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Worker.php(2465): Workerman\Events\Select->loop() #6 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/gateway-worker/src/Gateway.php(287): Workerman\Worker->run() #7 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Worker.php(1574): GatewayWorker\Gateway->run() #8 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Worker.php(1416): Workerman\Worker::forkOneWorkerForLinux(Object(GatewayWorker\Gateway)) #9 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Worker.php(1390): Workerman\Worker::forkWorkersForLinux() #10 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Worker.php(1722): Workerman\Worker::forkWorkers() #11 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Worker.php(1660): Workerman\Worker::monitorWorkersForLinux() #12 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Worker.php(559): Workerman\Worker::monitorWorkers() #13 /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/Applications/AdvertApp/start_g.php(99): Workerman\Worker::runAll() #14 {main} 2023-03-09 10:46:19 pid:607 worker[AdvertApp-gateway:1361] exit with status 64000 2023-03-09 10:46:19 pid:20899 Worker[20899] process terminated with ERROR: E_ERROR "Uncaught Error: Class '\Workerman\Events\Select' not found in /home/myweb/spug_repos/gatewayworker_test/23_20230302113526/vendor/workerman/workerman/Worker.php:2432 

[twomiao]

$buffer = (string) $buffer;

这样强制转换发送给客户端不太好。
举个例子：
$buffer = [
'sss', 'aaa'
];

$connection->send((string)$buffer));
输出是 "array " 字符串，php不知道如何解析，最终你把array 字符串推送给ws客户端了。
你可以选择return，不做任何处理丢弃这次数据（本身数据就不太合法）