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）
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：
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<?php
/**
* wechat php test
*/
//define your token
define("token", "weixin");
$wechatobj = new wechatcallbackapitest();
//$wechatobj->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）
$texttpl = "<xml>
<tousername><![cdata[%s]]></tousername>
<fromusername><![cdata[%s]]></fromusername>
<createtime>%s</createtime>
<msgtype><![cdata[%s]]></msgtype>
<content><![cdata[%s]]></content>
<funcflag>0</funcflag>
</xml>";
switch($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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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服务器之家。