$MType      = strtolower($postObj->MsgType);

   $toUser     = $postObj->FromUserName;
 $fromUser   = $postObj->ToUserName;

if($MType=='text'){
         
          
   
            $info       =reponseNews($toUser,$fromUser);
            echo $info ;
            
     }

function reponseNews($toUser,$fromUser){
        $arr = array(
        array(
          'title'=>'ganmiao',
          'description'=>"ganmiao is very cool",
          'picUrl'=>'http://www.ganmiao.com/3.jpg',
          'url'=>'http://www.ganmiao.com/wap.php',
        ),
        array(
          'title'=>'hao123',
          'description'=>"hao123 is very cool",
          'picUrl'=>'https://www.baidu.com/img/bdlogo.png',
          'url'=>'http://www.hao123.com',
        ),
        array(
          'title'=>'qq',
          'description'=>"qq is very cool",
          'picUrl'=>'http://www.imooc.com/static/img/common/logo.png',
          'url'=>'http://www.qq.com',
        ),
       );
          $CreateTime   = time();
          $MsgType      = 'news';
          //$ArticlesCount= 1;
          $template     ="
                        <xml>
                        <ToUserName><![CDATA[%s]]></ToUserName>
                        <FromUserName><![CDATA[%s]]></FromUserName>
                        <CreateTime>%s</CreateTime>
                        <MsgType><![CDATA[%s]]></MsgType>
                        <ArticleCount>".count($arr)."</ArticleCount>
                        <Articles>";
          foreach ($arr as $k => $v) {
          $template     .="            
                        <item>
                        <Title><![CDATA[".$v['title']."]]></Title>
                        <Description><![CDATA[".$v['description']."]]></Description>
                        <PicUrl><![CDATA[".$v['picUrl']."]]></PicUrl>
                        <Url><![CDATA[".$v['url']."]]></Url>
                        </item>";    
          }
          $template    .="
                        </Articles>
                        </xml> ";
        $info       = sprintf($template,$toUser,$fromUser,$CreateTime,$MsgType);
        return $info;
 }