엔터프라이즈 WeChat 인터페이스 및 PHP 메시지 푸시 구현 단계

<?php
$token = 'your_token';  // 这里将your_token替换成你自己的token
$signature = $_GET['msg_signature'];
$timestamp = $_GET['timestamp'];
$nonce = $_GET['nonce'];
$echostr = $_GET['echostr'];

$wx = new WXBizMsgCrypt($token);
$errCode = $wx->VerifyURL($signature, $timestamp, $nonce, $echostr, $sReplyEchoStr);
if ($errCode == 0) {
    echo $sReplyEchoStr; // 返回校验字符串给企业微信，完成认证
}

<?php
$input = file_get_contents('php://input');
$wx = new WXBizMsgCrypt($token);
$errCode = $wx->DecryptMsg($sMsgSignature, $sTimeStamp, $sNonce, $input, $sMsg);
if ($errCode == 0) {
    $xml = simplexml_load_string($sMsg); // 将XML格式的消息转换为SimpleXML对象，方便操作
    $msgType = $xml->MsgType;

    // 根据消息类型进行相应的处理
    switch ($msgType) {
        case 'text':
            $content = $xml->Content;
            // 处理文本消息的逻辑
            break;
        case 'image':
            $picUrl = $xml->PicUrl;
            // 处理图片消息的逻辑
            break;
        // 其他消息类型的处理...
    }

    // 回复消息给企业微信
    $reply = '<xml>
                <ToUserName><![CDATA[' . $xml->FromUserName . ']]></ToUserName>
                <FromUserName><![CDATA[' . $xml->ToUserName . ']]></FromUserName>
                <CreateTime>' . time() . '</CreateTime>
                <MsgType><![CDATA[text]]></MsgType>
                <Content><![CDATA[收到你的消息啦！]]></Content>
              </xml>';
    $encryptReply = '';
    $errCode = $wx->EncryptMsg($reply, $sTimeStamp, $sNonce, $encryptReply);
    if ($errCode == 0) {
        echo $encryptReply; // 回复加密后的消息给企业微信
    }
}