Question

原生PHP如何获取当前页面URL

Answer 1

#模拟测试网址: 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
//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echo dirname($url);
#http://localhost/blog

Answer 2

一、利用javascript实现：

top.location.href 顶级窗口的地址

this.location.href 当前窗口的地址
二、利用PHP实现
http://localhost/PHP/XX.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']; #/PHP/XX.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/PHP/XX.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/PHP/XX.php?id=5

//只取路径

$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echo dirname($url);
#http://localhost/PHP

Answer 3

function get_current_url(){
    $current_url='http://';
    if(isset($_SERVER['HTTPS'])&&$_SERVER['HTTPS']=='on'){
        $current_url='https://';
    }
    if($_SERVER['SERVER_PORT']!='80'){
        $current_url.=$_SERVER['SERVER_NAME'].':'.$_SERVER['SERVER_PORT'].$_SERVER['REQUEST_URI'];
    }else{
        $current_url.=$_SERVER['SERVER_NAME'].$_SERVER['REQUEST_URI'];
    }
    return $current_url;
}

希望能帮到你