$_SERVER['PHP_SELF']
$_SERVER['HTTP_VARIENT']
$_SERVER['HTTP_USER_AGENT'];
$_SERVER['SERVER_NAME']
<?php header("Content-type:text/html;charset=utf-8"); echo "文件名:".$_SERVER['PHP_SELF']."<br/>"; echo "浏览器属性:".$_SERVER['HTTP_USER_AGENT']."<br/>"; echo "服务器名称::".$_SERVER['SERVER_NAME']."<br/>"; ?>
使用预定义变量: $_SERVER['HTTP_USER_AGENT'] 返回如下: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7
这道题你会答吗?花几分钟告诉大家答案吧!
扫描二维码,关注牛客网
下载牛客APP,随时随地刷题