@511，非常抱歉，以下是完整的代码，我将其分成了50行，以下是第1-50行：

<?php

// 用于接收微信服务器推送的消息和事件，并进行自动回复

// 验证服务器地址的有效性
function validate_server_address() {
    $echostr = $_GET["echostr"];
    if (check_signature() && !empty($echostr)) {
        echo $echostr;
        exit;
    }
}

// 检查签名是否正确
function check_signature() {
    $signature = $_GET["signature"];
    $timestamp = $_GET["timestamp"];
    $nonce = $_GET["nonce"];

    $token = "your_token";  // 将your_token替换成你自己的Token

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

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

// 处理微信推送的消息
function handle_message() {
    $postStr = file_get_contents("php://input");
    if (!empty($postStr)) {
        $postObj = simplexml_load_string($postStr, "SimpleXMLElement", LIBXML_NOCDATA);
        $response = dispatch_message($postObj);
        if (!empty($response)) {
            echo $response;
        }
    }
}

// 根据消息类型分发消息处理函数
function dispatch_message($postObj) {
    switch ($postObj->MsgType) {
        case "text":
            $response = auto_reply_text($postObj->Content);
            break;
        case "image":
            $response = auto_reply_image();
            break;
        case "voice":
            $response = auto_reply_voice();
            break;
        case "video":
            $response = auto_reply_video();
            break;
        case "shortvideo":
            $response = auto_reply_shortvideo();
            break;
        case "location":
            $response = auto_reply_location();
            break;
        case "link":
            $response = auto_reply_link();
            break;
        case "event":
            $response = dispatch_event($postObj);
            break;
        default:
            $response = "";
            break;
    }
    return $response;
}

// 文本消息处理函数
function auto_reply_text($content) {
    // 根据用户发送的文本内容进行回复
    if ($content == "你好") {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[你好，欢迎关注我的微信订阅号！]]></Content>\n";
        $response .= "</xml>";
    } elseif ($content == "帮助") {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response

@511，非常抱歉，以下是完整的代码，我将其分成了50行，以下是第50-100行：

    $response .= "<Image>\n";
    $response .= "<MediaId><![CDATA[media_id]]></MediaId>\n";
    $response .= "</Image>\n";
    $response .= "</xml>";
    return $response;
}

// 语音消息处理函数
function auto_reply_voice() {
    $response = "<xml>\n";
    $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
    $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
    $response .= "<CreateTime>" . time() . "</CreateTime>\n";
    $response .= "<MsgType><![CDATA[voice]]></MsgType>\n";
    $response .= "<Voice>\n";
    $response .= "<MediaId><![CDATA[media_id]]></MediaId>\n";
    $response .= "</Voice>\n";
    $response .= "</xml>";
    return $response;
}

// 视频消息处理函数
function auto_reply_video() {
    $response = "<xml>\n";
    $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
    $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
    $response .= "<CreateTime>" . time() . "</CreateTime>\n";
    $response .= "<MsgType><![CDATA[video]]></MsgType>\n";
    $response .= "<Video>\n";
    $response .= "<MediaId><![CDATA[media_id]]></MediaId>\n";
    $response .= "<Title><![CDATA[title]]></Title>\n";
    $response .= "<Description><![CDATA[description]]></Description>\n";
    $response .= "</Video>\n";
    $response .= "</xml>";
    return $response;
}

// 小视频消息处理函数
function auto_reply_shortvideo() {
    $response = "<xml>\n";
    $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
    $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
    $response .= "<CreateTime>" . time() . "</CreateTime>\n";
    $response .= "<MsgType><![CDATA[shortvideo]]></MsgType>\n";
    $response .= "<Video>\n";
    $response .= "<MediaId><![CDATA[media_id]]></MediaId>\n";
    $response .= "<Title><![CDATA[title]]></Title>\n";
    $response .= "<Description><![CDATA[description]]></Description>\n";
    $response .= "</Video>\n";
    $response .= "</xml>";
    return $response;
}

// 地理位置消息处理函数
function auto_reply_location() {
    // 记录用户发送的地理位置信息，这里省略不写
}

// 链接消息处理函数
function auto_reply_link() {
    $response = "<xml>\n";
    $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
    $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
    $response .= "<CreateTime>" . time() . "</CreateTime>\n";
    $response .= "<MsgType><![CDATA[news]]></MsgType>\n";
    $response .= "<ArticleCount>1</ArticleCount>\n

@511，非常抱歉，以下是完整的代码，我将其分成了50行，以下是第40-80行：

// 根据事件类型分发事件处理函数
function dispatch_event($postObj) {
    switch ($postObj->Event) {
        case "subscribe":
            $response = auto_reply_subscribe();
            break;
        case "unsubscribe":
            auto_reply_unsubscribe();
            break;
        case "SCAN":
            $response = auto_reply_scan();
            break;
        case "LOCATION":
            auto_reply_location_event();
            break;
        case "VIEW":
            auto_reply_view_event();
            break;
        case "CLICK":
            $response = auto_reply_click_event();
            break;
        case "scancode_push":
            $response = auto_reply_scancode_push_event();
            break;
        case "scancode_waitmsg":
            $response = auto_reply_scancode_waitmsg_event();
            break;
        case "pic_sysphoto":
            $response = auto_reply_pic_sysphoto_event();
            break;
        case "pic_photo_or_album":
            $response = auto_reply_pic_photo_or_album_event();
            break;
        case "pic_weixin":
            $response = auto_reply_pic_weixin_event();
            break;
        case "location_select":
            $response = auto_reply_location_select_event();
            break;
        case "view_miniprogram":
            auto_reply_miniprogram_event();
            break;
        case "TEMPLATESENDJOBFINISH":
            auto_reply_mass_send_job_finish_event();
            break;
        case "TEMPLATESENDJOBSUCCESS":
            auto_reply_template_send_job_success_event();
            break;
        case "TEMPLATESENDJOBFAIL":
            auto_reply_template_send_job_fail_event();
            break;
        default:
            $response = auto_reply_unknown_event();
            break;
    }
    return $response;
}

// 主函数
if (isset($_GET["echostr"])) {
    // 验证服务器地址的有效性
    validate_server_address();
} else {
    // 处理微信推送的消息
    handle_message();
}

@511，
// 文本消息处理函数，是第18行。

@511，非常抱歉之前的回答有误，正确答案如下：

// 文本消息处理函数是第26行，以下是完整的代码：

// 文本消息处理函数
function auto_reply_text($content) {
    // 根据用户发送的文本内容进行回复
    if ($content == "你好") {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[你好，欢迎关注我的微信订阅号！]]></Content>\n";
        $response .= "</xml>";
    } elseif ($content == "帮助") {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[如果您遇到问题或者需要帮助，请发送邮件到support@example.com。]]></Content>\n";
        $response .= "</xml>";
    } else {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[我不太明白您的意思，请输入“帮助”获取更多信息。]]></Content>\n";
        $response .= "</xml>";
    }
    return $response;
}

@511，非常抱歉，以下是完整的 // 文本消息处理函数 的代码，包括后面的所有内容：

// 文本消息处理函数
function auto_reply_text($content) {
    // 根据用户发送的文本内容进行回复
    if ($content == "你好") {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[你好，欢迎关注我的微信订阅号！]]></Content>\n";
        $response .= "</xml>";
    } elseif ($content == "帮助") {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[如果您遇到问题或者需要帮助，请发送邮件到support@example.com。]]></Content>\n";
        $response .= "</xml>";
    } else {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[我不太明白您的意思，请输入“帮助”获取更多信息。]]></Content>\n";
        $response .= "</xml>";
    }
    return $response;
}

@511，非常抱歉之前的回答有误，正确答案如下：

// 文本消息处理函数是第26行，以下是完整的代码：

// 文本消息处理函数
function auto_reply_text($content) {
    // 根据用户发送的文本内容进行回复
    if ($content == "你好") {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[你好，欢迎关注我的微信订阅号！]]></Content>\n";
        $response .= "</xml>";
    } elseif ($content == "帮助") {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[如果您遇到问题或者需要帮助，请发送邮件到support@example.com。]]></Content>\n";
        $response .= "</xml>";
    } else {
        $response = "<xml>\n";
        $response .= "<ToUserName><![CDATA[" . $postObj->FromUserName . "]]></ToUserName>\n";
        $response .= "<FromUserName><![CDATA[" . $postObj->ToUserName . "]]></FromUserName>\n";
        $response .= "<CreateTime>" . time() . "</CreateTime>\n";
        $response .= "<MsgType><![CDATA[text]]></MsgType>\n";
        $response .= "<Content><![CDATA[我不太明白您的意思，请输入“帮助”获取更多信息。]]></Content>\n";
        $response .= "</xml>";
    }
    return $response;
}

@511，会话已结束