$client = new Client('UserSerivce');
$userInfo = $client->getUserInfo(1);

var_dump($userInfo);

class Client{
 protected $serviceName;
   
 public function __construct($serviceName){
  $this->serviceName = $serviceName;
 }
 public function __call($name, $arguments){
  $rpcClient = new \swoole_client(SWOOLE_SOCK_TCP);
  $rpcClient->connect('127.0.0.1',9503,0.5);
  // 我们将要发送的数据是事先约定好的，跟写对外开放的Api一样
  $rpcClient->send(json_encode([
   'service'=>$this->serviceName,
   'action'=>$name,
   'params'=>$arguments[0]
  ]));
  $rpcClient->close();
 }
}

$server = new swoole_server("127.0.0.1", 9503);
$server->on('connect', function ($server, $fd){
 echo "connection open: {$fd}\n";
});
$server->on('receive', function ($server, $fd, $reactor_id, $data) {
 // $data 则就是客户端发送过来的数据，我们可以这样做来做到去调用类,当然你必须遵守PSR-4 Autoloader
 $request = json_decode ($data, true);
 $className = $request['service'];
 $app  = new $className;
 $response = $app->{$request['action']}($request['params']);
 
 $server->send($fd, "Swoole: {$data}");
 $server->close($fd);
});
$server->on('close', function ($server, $fd) {
 echo "connection close: {$fd}\n";
});
$server->start();