Summary of how to get the current url address in php

The example in this article describes the method of obtaining the current url address in PHP. Share it with everyone for your reference, the details are as follows:

js Get:

top.location.href  //顶级窗口的地址
this.location.href //当前窗口的地址

php Get the current url address:

#测试网址:   http://localhost/blog/testurl.php?id=5
//获取域名或主机地址
echo $_SERVER[&#39;HTTP_HOST&#39;]."<br>"; #localhost
//获取网页地址
echo $_SERVER[&#39;PHP_SELF&#39;]."<br>"; #/blog/testurl.php
//获取网址参数
echo $_SERVER["QUERY_STRING"]."<br>"; #id=5
//获取用户代理
echo $_SERVER[&#39;HTTP_REFERER&#39;]."<br>";
//获取完整的url
echo &#39;http://&#39;.$_SERVER[&#39;HTTP_HOST&#39;].$_SERVER[&#39;REQUEST_URI&#39;];
echo &#39;http://&#39;.$_SERVER[&#39;HTTP_HOST&#39;].$_SERVER[&#39;PHP_SELF&#39;].&#39;?&#39;.$_SERVER[&#39;QUERY_STRING&#39;];
#http://localhost/blog/testurl.php?id=5
//包含端口号的完整url
echo &#39;http://&#39;.$_SERVER[&#39;SERVER_NAME&#39;].&#39;:&#39;.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
#http://localhost:80/blog/testurl.php?id=5
//只取路径
$url=&#39;http://&#39;.$_SERVER[&#39;SERVER_NAME&#39;].$_SERVER["REQUEST_URI"];
echo dirname($url);
#http://localhost/blog

Hope this article will be helpful to everyone in PHP programming.

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