class jsonRPCServer {     /**      *处理一个request类，这个类中绑定了一些请求参数      * @param object $object      * @return boolean      */     public static function handle($object) {        // 判断是否是一个rpc json请求         if ($_SERVER['REQUEST_METHOD'] != 'POST' || empty($_SERVER['CONTENT_TYPE'])             ||$_SERVER['CONTENT_TYPE'] != 'application/json') {             return false;         }         // reads the input data         $request = json_decode(file_get_contents('php://input'),true);         // 执行请求类中的接口         try {             if ($result = @call_user_func_array(array($object,$request['method']),$request['params'])) {                 $response = array ( 'id'=> $request['id'],'result'=> $result,'error'=> NULL );             } else {                 $response = array ( 'id'=> $request['id'], 'result'=> NULL,                                         'error' => 'unknown method or incorrect parameters' );}         } catch (Exception $e) {             $response = array ('id' => $request['id'],'result' => NULL, 'error' =>$e->getMessage());         }        // json 格式输出         if (!empty($request['id'])) { // notifications don't want response             header('content-type: text/javascript');             echo json_encode($response);         }         return true;     } }

<?php /*  */ class jsonRPCClient {     private $debug;     private $url;     // 请求id     private $id;     private $notification = false;     /**      * @param $url      * @param bool $debug      */     public function __construct($url,$debug = false) {         // server URL         $this->url = $url;         // proxy         empty($proxy) ? $this->proxy = '' : $this->proxy = $proxy;         // debug state         empty($debug) ? $this->debug = false : $this->debug = true;         // message id         $this->id = 1;     }     /**      *      * @param boolean $notification      */     public function setRPCNotification($notification) {         empty($notification) ? $this->notification = false  : $this->notification = true;     }     /**      * @param $method      * @param $params      * @return bool      * @throws Exception      */     public function __call($method,$params) {         // 检验request信息         if (!is_scalar($method)) {             throw new Exception('Method name has no scalar value');         }         if (is_array($params)) {             $params = array_values($params);         } else {             throw new Exception('Params must be given as array');         }         if ($this->notification) {             $currentId = NULL;         } else {             $currentId = $this->id;         }        // 拼装成一个request请求         $request = array(  'method' => $method,  'params' => $params,'id' => $currentId);         $request = json_encode($request);         $this->debug && $this->debug.='***** Request *****'."\n".$request."\n".'***** End Of request *****'."\n\n";         $opts = array ('http' => array (                                     'method'  => 'POST',                                     'header'  => 'Content-type: application/json',                                     'content' => $request         ));         //  关键几部         $context  = stream_context_create($opts);   if ( $result = file_get_contents($this->url, false, $context)) {             $response = json_decode($result,true);   } else {    throw new Exception('Unable to connect to '.$this->url);   }         // 输出调试信息         if ($this->debug) {             echo nl2br(($this->debug));         }         // 检验response信息         if (!$this->notification) {             // check             if ($response['id'] != $currentId) {                 throw new Exception('Incorrect response id (request id: '.$currentId.', response id: '.$response['id'].')');             }             if (!is_null($response['error'])) {                 throw new Exception('Request error: '.$response['error']);             }             return $response['result'];         } else {             return true;         }     } } ?>

<?php require_once 'jsonRPCServer.php';

// member 为测试类 require 'member.php'; // 服务端调用 $myExample = new member(); // 注入实例 jsonRPCServer::handle($myExample)  or print 'no request'; ?>

class member{     public function getName(){         return 'hello word ' ;  // 返回字符串     } }

require_once 'jsonRPCClient.php'; $url = 'http://localhost/rpc/server.php'; $myExample = new jsonRPCClient($url); // 客户端调用 try {  $name = $myExample->getName();     echo $name ; } catch (Exception $e) {  echo nl2br($e->getMessage()).'<br />'."\n"; }