1. <?php  
2.   
3. /** 
4.   * wechat php test 
5.   */  
6.   
7. //define your token  
8. define("TOKEN", "<span style="color:#ff0000;">xxxxx</span>");  
9. $wechatObj = new wechatCallbackapiTest();  
10. $wechatObj->responseMsg();  
11.   
12. class wechatCallbackapiTest {  
13.     public function valid() {  
14.         $echoStr = $_GET["echostr"];  
15.   
16.         //valid signature , option  
17.         if ($this->checkSignature()) {  
18.             echo $echoStr;  
19.             exit;  
20.         }  
21.     }  
22.   
23.     public function responseMsg() {  
24.         //get post data, May be due to the different environments  
25.         $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];  
26.   
27.         //extract post data  
28.         if (!empty ($postStr)) {  
29.   
30.             $postObj = simplexml_load_string($postStr, ‘SimpleXMLElement‘, LIBXML_NOCDATA);  
31.             $fromUsername = $postObj->FromUserName;  
32.             $toUsername = $postObj->ToUserName;  
33.             $keyword = trim($postObj->Content);  
34.             $Event = trim($postObj->Event);  
35.             $time = time();  
36.             $textTpl = "<xml>  
37.                         <ToUserName><![CDATA[%s]]></ToUserName>  
38.                         <FromUserName><![CDATA[%s]]></FromUserName>  
39.                         <CreateTime>%s</CreateTime>  
40.                         <MsgType><![CDATA[%s]]></MsgType>  
41.                         <Content><![CDATA[%s]]></Content>  
42.                         <FuncFlag>0</FuncFlag>  
43.                         </xml>";  
44.             //测试事件推送  
45.             if($Event=="subscribe"){  
46.                 $contentStr = "欢迎订阅果晶晶网络科技有限公司公众平台!";  
47.                 $msgType = "text";  
48.                 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);  
49.                 echo $resultStr;  
50.             }  
51.             //test  
52.             if($keyword==1){//文本  
53.                 $contentStr = $keyword . "测试发送文本!";  
54.                 $msgType = "text";  
55.                 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);  
56.                 echo $resultStr;  
57.             }else if($keyword==2){//音乐  
58.                 $textTpl="<xml>  
59.                          <ToUserName><![CDATA[%s]]></ToUserName>  
60.                          <FromUserName><![CDATA[%s]]></FromUserName>  
61.                          <CreateTime>%s</CreateTime>  
62.                          <MsgType><![CDATA[%s]]></MsgType>  
63.                          <Music>  
64.                          <Title><![CDATA[%s]]></Title>  
65.                          <Description><![CDATA[%s]]></Description>  
66.                          <MusicUrl><![CDATA[%s]]></MusicUrl>  
67.                          <HQMusicUrl><![CDATA[%s]]></HQMusicUrl>  
68.                          </Music>  
69.                          <FuncFlag>0</FuncFlag>  
70.                          </xml>";  
71.                   
72.                 $msgType = "music";  
73.                 $msgtitle="致青春";  
74.                 $Description="电影《致我们终将逝去的青春》 主题曲";  
75.                 $MusicUrl="http://music.baidu.com/song/40153340#";  
76.                 $HQMusicUrl="http://music.baidu.com/song/40153340#";  
77.                 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $msgtitle,$Description,$MusicUrl,$HQMusicUrl);  
78.                 echo $resultStr;  
79.             }else if($keyword==3){//图文  
80.                 $textTpl="<xml>  
81.                          <ToUserName><![CDATA[%s]]></ToUserName>  
82.                          <FromUserName><![CDATA[%s]]></FromUserName>  
83.                          <CreateTime>%s</CreateTime>  
84.                          <MsgType><![CDATA[%s]]></MsgType>  
85.                          <ArticleCount>1</ArticleCount>  
86.                          <Articles>  
87.                          <item>  
88.                          <Title><![CDATA[%s]]></Title>   
89.                          <Description><![CDATA[%s]]></Description>  
90.                          <PicUrl><![CDATA[%s]]></PicUrl>  
91.                          <Url><![CDATA[%s]]></Url>  
92.                          </item>  
93.                          </Articles>  
94.                          <FuncFlag>1</FuncFlag>  
95.                          </xml> ";  
96.                   
97.                 $msgType = "news";  
98.                 $title1="致青春";  
99.                 $Description="电影《致我们终将逝去的青春》 主题曲";  
100.                 $PicUrl="http://img10.360buyimg.com/da/g13/M05/01/02/rBEhU1G6iA8IAAAAAADmPyFSPhUAAANiwAxLNcAAOZX575.jpg";  
101.                 $Url="http://sale.jd.com/act/qYHkylDS0LVOg.html?sid=2&cid=601&aid=3678&bid=661&unit=36617&advid=60724&guv=";  
102.                 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $title1,$Description,$PicUrl,$Url);  
103.                 echo $resultStr;  
104.             }  
105.             //  
106.             if (!empty ($keyword)) {  
107.   
108.                 $contentStr = $keyword . "Welcome to wechat world!";  
109.   
110.                 $msgType = "text";  
111.   
112.                 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);  
113.                 echo $resultStr;  
114.             } else {  
115.                 echo "Input something...";  
116.             }  
117.   
118.         } else {  
119.             echo "";  
120.             exit;  
121.         }  
122.     }  
123.   
124.     private function checkSignature() {  
125.         $signature = $_GET["signature"];  
126.         $timestamp = $_GET["timestamp"];  
127.         $nonce = $_GET["nonce"];  
128.   
129.         $token = TOKEN;  
130.         $tmpArr = array (  
131.             $token,  
132.             $timestamp,  
133.             $nonce  
134.         );  
135.         sort($tmpArr);  
136.         $tmpStr = implode($tmpArr);  
137.         $tmpStr = sha1($tmpStr);  
138.   
139.         if ($tmpStr == $signature) {  
140.             return true;  
141.         } else {  
142.             return false;  
143.         }  
144.     }  
145. }  
146. ?>  

微信二次开发自定义接受事件推送的代码