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作为一个有意识的Web开发者/网站的所有者，你可能想跟踪您的网站或博客的404页。当然你可以分析你站点的访问日志文件，但我们今天要讲的是一个更好的追踪方式，那就是通过发送邮件报告。这样我么就能更加及时的获取404页面的情况。

如果你的主题没有404.php文件，你必须创建他，然后将一下代码添加到你的404页面中：

注意：使用该方法前提是你的wordpress支持邮件发送。

// 设置页面状态

header("HTTP/1.1 404 Not Found");

header("Status: 404 Not Found");

// 站点信息

$blog = get_bloginfo('name');

$site = get_bloginfo('url') . '/';

$email = get_bloginfo('admin_email');

// 主题信息

if (!empty($_COOKIE["nkthemeswitch" . COOKIEHASH])) {

$theme = clean($_COOKIE["nkthemeswitch" . COOKIEHASH]);

} else {

$theme_data = wp_get_theme();

$theme = clean($theme_data->Name);

}

// 获取来源地址

if (isset($_SERVER['HTTP_REFERER'])) {

$referer = clean($_SERVER['HTTP_REFERER']);

} else {

$referer = "undefined";

}

// 来源 URI

if (isset($_SERVER['REQUEST_URI']) && isset($_SERVER["HTTP_HOST"])) {

$request = clean('http://' . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]);

} else {

$request = "undefined";

}

// 查询字符串

if (isset($_SERVER['QUERY_STRING'])) {

$string = clean($_SERVER['QUERY_STRING']);

} else {

$string = "undefined";

}

// IP 地址

if (isset($_SERVER['REMOTE_ADDR'])) {

$address = clean($_SERVER['REMOTE_ADDR']);

} else {

$address = "undefined";

}

// 用户客户端信息 agent

if (isset($_SERVER['HTTP_USER_AGENT'])) {

$agent = clean($_SERVER['HTTP_USER_AGENT']);

} else {

$agent = "undefined";

}

// 用户连接协议

if (isset($_SERVER['REMOTE_IDENT'])) {

$remote = clean($_SERVER['REMOTE_IDENT']);

} else {

$remote = "undefined";

}

// 记录时间

$time = clean(date("Y-m-d H:i:s", time()));

// 组合信息

function clean($string) {

$string = rtrim($string);

$string = ltrim($string);

$string = htmlentities($string, ENT_QUOTES);

$string = str_replace("n", "

", $string);

if (get_magic_quotes_gpc()) {

$string = stripslashes($string);

}

return $string;

}

$message =

"TIME: " . $time . "n" .

"*404: " . $request . "n" .

"SITE: " . $site . "n" .

"THEME: " . $theme . "n" .

"REFERRER: " . $referer . "n" .

"QUERY STRING: " . $string . "n" .

"REMOTE ADDRESS: " . $address . "n" .

"REMOTE IDENTITY: " . $remote . "n" .

"USER AGENT: " . $agent . "nnn";

// 发送邮件

mail($email, "404 Alert: " . $blog . " [" . $theme . "]", $message, "From: $email");

?>

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