#测试网址: http://localhost/blog/testurl.php?id=5
//获取域名或主机地址
echo
$_SERVER['HTTP_HOST'].""; #localhost
//获取网页地址
echo
$_SERVER['PHP_SELF'].""; #/blog/testurl.php
//获取网址参数
echo
$_SERVER["QUERY_STRING"].""; #id=5
//获取用户代理
echo
$_SERVER['HTTP_REFERER']."";
//获取完整的url
echo
'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
echo
'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
#http://localhost/blog/testurl.php?id=5
//包含端口号的完整url
echo
'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
#http://localhost:80/blog/testurl.php?id=5
//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echo
dirname($url);
#http://localhost/blog
<?php
require dirname(__FILE__) . '\test.php';
$sitemapPath = dirname(dirname(dirname(dirname(__FILE__)))) . '/www.cheyun.com/sitemap';
echo __FILE__; // 取得当前文件的绝对地址
echo dirname(__FILE__); // 取得当前文件所在的绝对目录
echo dirname(dirname(__FILE__)); //取得当前文件的上一层目录名
echo dirname(dirname(dirname(__FILE__))); //取得当前文件的上一层目录的上层目录名
以上代码输出:
E:\webserver\test\index.php
E:\webserver\test
E:\webserver
E:\
?>