PHP中获取当前页面的完整URL

Posted 2020-09-02 防空洞123

javascript实现：

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

php实现

#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