PHP获取域名等URL地址

180it 2019-09-23 PM 1878℃ 0条

PHP获取域名等URL地址:

参考URL:http://www.180it.com/PHP-URL.php?num=123

以下是输出结果:

<?php
//获取域名或主机地址
echo $_SERVER['HTTP_HOST']."
";
//输出结果:www.180it.com

//获取相对路径
echo $_SERVER['PHP_SELF']."
";
//输出结果:/PHP-URL.php

//获取网址参数
echo $_SERVER["QUERY_STRING"]."
";
//输出结果:num=123

//获取用户代理
echo $_SERVER['HTTP_REFERER']."
";

//获取完整的url
echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."
";
//输出结果:http://www.180it.com/PHP-URL.php?num=123

echo 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING']."
";
//输出结果:http://www.180it.com/PHP-URL.php?num=123

//包含端口号的完整url
echo 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]."
";
//输出结果:http://www.180it.com:80/PHP-URL.php?num=123

//只取路径
$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"]."
";
echo dirname($url);
//输出结果:http://www.180it.com/PHP-URL.php?num=123
?>

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PHP获取域名等URL地址