golang代码：
go get github.com/roadrunner-server/goridge/v3

package main

import (

    "fmt"

    "net"

    "net/rpc"

    goridgeRpc "github.com/roadrunner-server/goridge/v3/pkg/rpc"

)

type App struct{}

func (s *App) Hi(name string, r *string) error {

    *r = fmt.Sprintf("Hello, %s!", name)

    return nil

}

func main() {

    ln, err := net.Listen("tcp", ":6001")

    if err != nil {

        panic(err)

    }

    _ = rpc.Register(new(App))

    for {

        conn, err := ln.Accept()

        if err != nil {

            continue

        }

        _ = conn

        go rpc.ServeCodec(goridgeRpc.NewCodec(conn))

    }

}

//***********************************************/

php代码：

use Spiral\Goridge\RPC\RPC;
use Spiral\Goridge\Relay;

$rpc = new RPC(Relay::create('tcp://127.0.0.1:6001'));
echo $rpc->call("App.Hi", "ceshi");