1,$_SERVER["QUERY_STRING"]
说明:查询(query)的字符串
2,$_SERVER["REQUEST_URI"]
说明:访问此页面所需的URI
3,$_SERVER["SCRIPT_NAME"]
说明:包含当前脚本的路径
4,$_SERVER["PHP_SELF"]
说明:当前正在执行脚本的文件名
实例:
1,http://www.biuuu.com/ (直接打开主页)
结果:
$_SERVER["QUERY_STRING"]
= ""
$_SERVER["REQUEST_URI"] =
"/"
$_SERVER["SCRIPT_NAME"] =
"/index.php"
$_SERVER["PHP_SELF"] =
"/index.php"
2,http://www.biuuu.com/?p=222 (附带查询)
结果:
$_SERVER["QUERY_STRING"]
= "p=222"
$_SERVER["REQUEST_URI"] =
"/?p=222"
$_SERVER["SCRIPT_NAME"] =
"/index.php"
$_SERVER["PHP_SELF"] =
"/index.php"
3,http://www.biuuu.com/index.php?p=222&q=biuuu
结果:
$_SERVER["QUERY_STRING"]
= "p=222&q=biuuu"
$_SERVER["REQUEST_URI"] =
"/index.php?p=222&q=biuuu"
$_SERVER["SCRIPT_NAME"] =
"/index.php"
$_SERVER["PHP_SELF"] =
"/index.php"
$_SERVER["QUERY_STRING"]获取查询语句,实例中可知,获取的是?后面的值
$_SERVER["REQUEST_URI"]
获取http://www.biuuu.com后面的值,包括/
$_SERVER["SCRIPT_NAME"]
获取当前脚本的路径,如:index.php
$_SERVER["PHP_SELF"] 当前正在执行脚本的文件名
PHP获取当前url路径的函数及服务器变量,布布扣,bubuko.com
原文地址:http://www.cnblogs.com/smy520/p/3731664.html