PHP obtains the current host, domain name, path, port and other parameters code sharing

小云云
Release: 2023-03-20 16:22:02
Original
1818 people have browsed it

This article mainly introduces how PHP obtains the current host, domain name, URL, path, port and other parameters. It has certain reference value. If you are interested, you can learn more. I hope it can help everyone.

Experimental environment:

Test domain name daxiangtravel.com, apache root directory/mnt/, test directory/mnt/qa/test, test file name is index.php.

Get the code:

Get the current directory:

  getcwd();
// /mnt/qa/test
dirname(__FILE__);
// /mnt/qa/test
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Get the domain name or host address

$_SERVER['HTTP_HOST'];
 //daxiangtravel.com
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Get the web page address

$_SERVER['PHP_SELF'];
// /qa/test/index.php
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Get the URL Parameters

$_SERVER["QUERY_STRING"];
// v=433
获取用户代理
 
$_SERVER['HTTP_REFERER'];
// http://daxiangtravel.com/qa/test/index.php?v=433
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Get the complete url

'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
// http://daxiangtravel.com/qa/test/index.php?v=433
 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].'?'.$_SERVER['QUERY_STRING'];
// http://daxiangtravel.com/qa/test/index.php?v=433
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Get only the path

$url='http://'.$_SERVER['SERVER_NAME'].$_SERVER["REQUEST_URI"];
echo dirname($url);
// http://daxiangtravel.com/qa/test
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The complete url including the port number

'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"]
.$_SERVER["REQUEST_URI"];
// http://daxiangtravel.com:80/qa/test/index.php?v=433
Copy after login

Related recommendations:

How to get domain name IP address code function in php

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