php微信开发之图片回复功能

本文实例为大家分享了php微信图片回复功能的具体代码，供大家参考，具体内容如下<?

本文实例为大家分享了php微信图片回复功能的具体代码，供大家参考，具体内容如下

<?php
/**
 * wechat php test
 */

//define your token
define("TOKEN", "weixin");
$wechatObj = new wechatCallbackapiTest();
//$wechatObj->valid();
$wechatObj->responseMsg();
class wechatCallbackapiTest
{
 public function valid()
 {
 $echoStr = $_GET["echostr"];

 //valid signature , option
 if($this->checkSignature()){
 echo $echoStr;
 exit;
 }
 }

 public function responseMsg()
 {
 //get post data, May be due to the different environments
 $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

 //extract post data
 if (!empty($postStr)){

 $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
 $fromUsername = $postObj->FromUserName;
 $toUsername = $postObj->ToUserName;
 $type = $postObj->MsgType;
 $customrevent = $postObj->Event;
 $keyword = trim($postObj->Content);
 $time = time();
 $textTpl = "<xml>
 <ToUserName><![CDATA[%s]]></ToUserName>
 <FromUserName><![CDATA[%s]]></FromUserName>
 <CreateTime>%s</CreateTime>
 <MsgType><![CDATA[%s]]></MsgType>
 <Content><![CDATA[%s]]></Content>
 <FuncFlag>0</FuncFlag>
 </xml>"; 
 if($type=="event" and $customrevent=="subscribe"){
 $contentStr = "33333333333";
 $msgType = "text";
 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
 echo $resultStr;
 } 
 if($type=="image" ){
 $contentStr = "你的图片很棒！";
 $msgType = "text";
 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
 echo $resultStr;
 } 

 if(!empty( $keyword ))
 { 
 $msgType = "text";
 if($keyword=="1"){
 $contentStr = "333";}
 if($keyword=="2"){
 $contentStr = "444
 if($keyword=="3"){
 $contentStr = "11";} 
 $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
 echo $resultStr;
 }else{
 echo "Input something...";
 }

 }else {
 echo "";
 exit;
 }
 }

 private function checkSignature()
 {
 $signature = $_GET["signature"];
 $timestamp = $_GET["timestamp"];
 $nonce = $_GET["nonce"]; 

 $token = TOKEN;
 $tmpArr = array($token, $timestamp, $nonce);
 sort($tmpArr);
 $tmpStr = implode( $tmpArr );
 $tmpStr = sha1( $tmpStr );

 if( $tmpStr == $signature ){
 return true;
 }else{
 return false;
 }
 }
}

?>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。