define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
$wechatObj->weixin_run();

class wechatCallbackapiTest {

private $fromUsername;
private $toUsername;
private $times;
private $keyword;
private $MsgType;

public function responseMsg() {
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
if (!empty($postStr)) {
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
$this->fromUsername = $postObj->FromUserName;
$this->toUsername = $postObj->ToUserName;
$this->keyword = trim($postObj->Content);
$this->time = time();
$this->MsgType = $postObj->MsgType;
} else {
echo "Pay attention to http://{$_SERVER['HTTP_HOST']},thanks!";
exit;
}
}

public function weixin_run() {
$this->responseMsg();
if($this->MsgType != 'event') { //attention
$data = $this->getData();
$this->fun_xml("news", $data, count($data));
} else {
$data = $this->getWelData();
$this->fun_xml("text", $data, 1);
}
}

//type: text 文本类型, news 图文类型
//text,array(内容),array(ID)
//news,array(array(标题,介绍,图片,超链接),...小于10条),条数
private function fun_xml($type, $value_arr, $count) {
$con="
fromUsername}]]>
toUsername}]]>
{$this->times}
";

switch($type) {
case "text" :
$con.="";
break;
case "news" :
$con.="{$count}
";
foreach($value_arr as $key => $v) {
$con.="

";
}
$con.="";
break;
}
echo $con."";
}

private function getData() {
//数据库通过关键字查询文章

//。。。。。。。。。。。。
//。。。。。。。。。。。。

//返回文章结果的数组
return $data;
}

private function getWelData() {
$data = "感谢您关注AndyYang个人博客微信小助手。\r\n".
"回复【1】返回两篇最新文章\r\n".
"回复【2】返回两篇人气文章\r\n".
"回复【3】返回两篇热评文章\r\n".
"回复【4】返回两篇最新技术文章\r\n".
"回复【5】返回两篇最新写作文章\r\n".
"回复其他返回搜索关键字的两篇文章\r\n".
"更多精彩内容，尽在：www.webyang.net。亲们，请多多支持哦，谢谢~";
;
return $data;
}

}