<?php
class RpcServer {
  protected $serv = null;

  public function __construct($host, $port, $path) {
    //創(chuàng)建一個(gè)tcp socket服務(wù)
    $this->serv = stream_socket_server("tcp://{$host}:{$port}", $errno, $errstr);
    if (!$this->serv) {
      exit("{$errno} : {$errstr} \n");
    }
    //判斷我們的RPC服務(wù)目錄是否存在
    $realPath = realpath(__DIR__ . $path);
    if ($realPath === false || !file_exists($realPath)) {
      exit("{$path} error \n");
    }

    while (true) {
      $client = stream_socket_accept($this->serv);

      if ($client) {
        //這里為了簡單，我們一次性讀取
        $buf = fread($client, 2048);
        //解析客戶端發(fā)送過來的協(xié)議
        $classRet = preg_match('/Rpc-Class:\s(.*);\r\n/i', $buf, $class);
        $methodRet = preg_match('/Rpc-Method:\s(.*);\r\n/i', $buf, $method);
        $paramsRet = preg_match('/Rpc-Params:\s(.*);\r\n/i', $buf, $params);
        
        if($classRet && $methodRet) {
          $class = ucfirst($class[1]);
          $file = $realPath . '/' . $class . '.php';
          //判斷文件是否存在，如果有，則引入文件
          if(file_exists($file)) {
            require_once $file;
            //實(shí)例化類，并調(diào)用客戶端指定的方法
            $obj = new $class();
            //如果有參數(shù)，則傳入指定參數(shù)
            if(!$paramsRet) {
              $data = $obj->$method[1]();
            } else {
              $data = $obj->$method[1](json_decode($params[1], true));
            }
            //把運(yùn)行后的結(jié)果返回給客戶端
            fwrite($client, $data);
          }
        } else {
          fwrite($client, 'class or method error');
        }
        //關(guān)閉客戶端
        fclose($client);
      }
    }
  }

  public function __destruct() {
    fclose($this->serv);
  }
}

new RpcServer('127.0.0.1', 8888, './service');

<?php

class RpcClient {
  protected $urlInfo = array();
  
  public function __construct($url) {
    //解析URL
    $this->urlInfo = parse_url($url);
    if(!$this->urlInfo) {
      exit("{$url} error \n");
    }
  }
  
  public function __call($method, $params) {
    //創(chuàng)建一個(gè)客戶端
    $client = stream_socket_client("tcp://{$this->urlInfo['host']}:{$this->urlInfo['port']}", $errno, $errstr);
    if (!$client) {
      exit("{$errno} : {$errstr} \n");
    }
    //傳遞調(diào)用的類名
    $class = basename($this->urlInfo['path']);
    $proto = "Rpc-Class: {$class};" . PHP_EOL;
    //傳遞調(diào)用的方法名
    $proto .= "Rpc-Method: {$method};" . PHP_EOL;
    //傳遞方法的參數(shù)
    $params = json_encode($params);
    $proto .= "Rpc-Params: {$params};" . PHP_EOL;
    //向服務(wù)端發(fā)送我們自定義的協(xié)議數(shù)據(jù)
    fwrite($client, $proto);
    //讀取服務(wù)端傳來的數(shù)據(jù)
    $data = fread($client, 2048);
    //關(guān)閉客戶端
    fclose($client);
    return $data;
  }
}

$cli = new RpcClient('http://127.0.0.1:8888/test');
echo $cli->hehe();
echo $cli->hehe2(array('name' => 'test', 'age' => 27));

> php RpcServer.php
> php RpcClient.php

<?php
class Test {
  public function hehe() {
    return 'hehe';
  }
  public function hehe2($params) {
    return json_encode($params);
  }
}