{
 "appid" : "wwwwb4f85f3a797777",
 "openid" : "oX99MDgNcgwnz3zFN3DNmo8uwa-w",
 "transid" : "111112222233333",
 "out_trade_no" : "555666uuu",
 "deliver_timestamp" : "1369745073",
 "deliver_status" : "1",
 "deliver_msg" : "ok",
 "app_signature" : "53cca9d47b883bd4a5c85a9300df3da0cb48565c",
 "sign_method" : "sha1"
}

<?php

 include_once("WxPayHelper.php");

 //1. 获取access token
 $appid = "wx0000000000000000";
 $appsecret = "e76050733ce76050733ce76050733cdd";
 $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$appid&secret=$appsecret";
 $result = https_request($url);
 $jsoninfo = json_decode($result, true);
 $access_token = $jsoninfo["access_token"];

 //2.准备参数
 $deliver_timestamp = time();
 //2.1构造最麻烦的app_signature
 $obj['appid'] = $appid;
 $obj['appkey'] = "8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6kxCRvdJENpWpw8mruTNOGeX8OVUlIYxIyw6k";
 $obj['openid'] = "o0pk9uIVnlY-fJkzFKEbQ6LJ4cFc";
 $obj['transid'] = "1218614901201405273313473135";
 $obj['out_trade_no'] = "JfuKdiBig4zZnE4n";
 $obj['deliver_timestamp'] = $deliver_timestamp;
 $obj['deliver_status'] = "1";
 $obj['deliver_msg'] = "ok";

 $WxPayHelper = new WxPayHelper();
 //get_biz_sign函数受保护，需要先取消一下，否则会报错
 $app_signature = $WxPayHelper->get_biz_sign($obj);

 //3. 将构造的json提交给微信服务器，查询
 $jsonmenu = '
 {
 "appid" : "'.$obj['appid'].'",
 "openid" : "'.$obj['openid'].'",
 "transid" : "'.$obj['transid'].'",
 "out_trade_no" : "'.$obj['out_trade_no'].'",
 "deliver_timestamp" : "'.$deliver_timestamp.'",
 "deliver_status" : "'.$obj['deliver_status'].'",
 "deliver_msg" : "'.$obj['deliver_msg'].'",
 "app_signature" : "'.$app_signature.'",
 "sign_method" : "sha1"
 }';



 $url = "https://api.weixin.qq.com/pay/delivernotify?access_token=".$access_token;
 $result = https_request($url, $jsonmenu);
 var_dump($result);

 function https_request($url, $data = null){
 $curl = curl_init();
 curl_setopt($curl, CURLOPT_URL, $url);
 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
 curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
 if (!empty($data)){
 curl_setopt($curl, CURLOPT_POST, 1);
 curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
 }
 curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
 $output = curl_exec($curl);
 curl_close($curl);
 return $output;
 }

string(27) "{"errcode":0,"errmsg":"ok"}"