本文实例为大家分享了php微信语音消息识别代码，供大家参考，具体内容如下
1.开通语音识别（默认关闭）
http://files.jb51.net/file_images/article/201608/201608080832491.png
2.语音识别
请注意，开通语音识别后，用户每次发送语音给公众号时，微信会在推送的语音消息XML数据包中，增加一个Recognition字段（注：由于客户端缓存，开发者开启或者关闭语音识别功能，对新关注者立刻生效，对已关注用户需要24小时生效。开发者可以重新关注此帐号进行测试）。开启语音识别后的语音XML数据包如下：
http://files.jb51.net/file_images/article/201608/201608080832492.png
http://files.jb51.net/file_images/article/201608/201608080832503.png
valid();//接口验证
$wechatObj->responseMsg();//调用回复消息方法
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)){
/* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
the best way is to check the validity of xml by yourself */
libxml_disable_entity_loader(true);
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
$keyword = trim($postObj->Content);
$time = time();
$msgType = $postObj->MsgType;//消息类型
$event = $postObj->Event;//时间类型，subscribe（订阅）、unsubscribe（取消订阅）
$textTpl = "
%s
0
";
switch($msgType){
case "event":
if($event=="subscribe"){
$contentStr = "Hi,欢迎关注海仙日用百货!"."\n"."回复数字'1',了解店铺地址."."\n"."回复数字'2',了解商品种类.";
}
break;
case "text"://文本消息
switch($keyword){
case "1":
$contentStr = "店铺地址："."\n"."杭州市江干区.";
break;
case "2":
$contentStr = "商品种类:"."\n"."杯子、碗、棉签、水桶、垃圾桶、洗碗巾(刷)、拖把、扫把、"
."衣架、粘钩、牙签、垃圾袋、保鲜袋(膜)、剪刀、水果刀、饭盒等.";
break;
default:
$contentStr = "对不起,你的内容我会稍后回复";
}
break;
case "voice"://语音消息
//语音识别
$recognition = $postObj->Recognition;
$format = $postObj->Format;
$contentStr = "你发送的是语音消息"."\n"."语音格式为:"."\n".$format."\n"."语音内容为:"."\n".$recognition;
break;
}
$msgType = "text";
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
}else {
echo "";
exit;
}
}
private function checkSignature()
{
// you must define TOKEN by yourself
if (!defined("TOKEN")) {
throw new Exception('TOKEN is not defined!');
}
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
// use SORT_STRING rule
sort($tmpArr, SORT_STRING);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );
if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}
}
?>
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