<?php

class RpcController extends Yaf_Controller_Abstract {

    //RPC入口

    public function indexAction($class_name) {

        $class_name = 'Rpc_'.$this->g_ucfirst('_', $class_name);

        if(!@class_exists($class_name)) {

            die("No such class of ". $class_name);

        }

        $server = new Yar_Server(new $class_name());

        $server->handle();

        return false;

    }

    private function g_ucfirst($separator, $string) {

        if(strpos($string, $separator) !== false) {

            $string = explode($separator, strtolower($string));

            $arr = array();

            foreach($string as $v) {

                $arr[] = ucfirst($v);

            }

            return implode($arr, $separator);

        } else {

            return ucfirst(strtolower($string));

        }

    }

}

使用Rpc
$client = new Yar_Client('http://www.pengcz.com/Rpc/push');