Get the complete URL of the current page (php and js implementation)

This article introduces how to use php and js to obtain the complete URL of the current page. Two examples are provided for your reference.

1. JavaScript implementation to obtain the complete URL of the current page: top.location.href The address of the top-level window this.location.href The address of the current window

2. PHP implementation to obtain the complete URL of the current page:

<?php
/**
* 当前页面的完整URL获取实例
* edit by bbs.it-home.org
*/
#测试网址: http://localhost/blog/testurl.php?id=5
 
//获取域名或主机地址 
echo $_SERVER['HTTP_HOST']."<br>"; #localhost
 
//获取网页地址 
echo $_SERVER['PHP_SELF']."<br>"; #/blog/testurl.php
 
//获取网址参数 
echo $_SERVER["QUERY_STRING"]."<br>"; #id=5
 
//获取用户代理 
echo $_SERVER['HTTP_REFERER']."<br>"; 
 
//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
?>