php HTTP_USER_AGENT和HTTP_REFERER实例

编辑代码

<html>
<head>
<title>Reporting User Agent and Referrer</title>
</head>
<body>
<div>
<p>
Browser: <b><?php print $_SERVER['HTTP_USER_AGENT'] ?></b><br /><br/>
Referring page: <b><?php print $_SERVER['HTTP_REFERER'] ?></b>
</p>
</div>
</body>
</html>