Several ways to obtain the physical path of the website root directory in php

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Release: 2023-03-29 12:28:02
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这篇文章主要介绍了关于php获取网站根目录物理路径的几种方法,有着一定的参考价值,现在分享给大家,有需要的朋友可以参考一下

在PHP中获取网站根目录物理路径。

在php程序开发中经常需要获取当前网站的目录,我们可以通过常量定义获取站点根目录物理路径,方便在程序中使用。

下面介绍几种常用的获取网站根目录的方法。

php获取网站根目录方法一:

<?php
define("WWWROOT",str_ireplace(str_replace("/","\\",$_SERVER[&#39;PHP_SELF&#39;]),&#39;&#39;,__FILE__)."\\");
echo WWWROOT ;
?>
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php获取网站根目录方法二:

<?php
define(&#39;WWW_PATH&#39;,str_replace(&#39;\\&#39;,&#39;/&#39;,realpath(dirname(__FILE__).&#39;/../&#39;))); //定义站点目录
?>
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php获取网站根目录方法三:

$_SERVER['DOCUMENT_ROOT'] //当前运行脚本所在的文档根目录。在服务器配置文件中定义。

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