PHP找到require_once真实路径 [英] PHP find require_once real path

问题描述

我需要require_once此文件main.class.php和functions.php以及config.php到admin/test.php.如何找到所需的PHP路径真实！

i need to require_once this files main.class.php and functions.php and config.php to admin/test.php. how to php find require real path?!

注意:class folder中的main.class.php，includes folder中的functions.php和root目录中的config.php和admin folder中的test.php.

NOTE: main.class.php in class folder , functions.php in includes folder and config.php in root directory and test.php in admin folder.

文件目录:

root
    /admin/
        ->test.php 
    /class/
        ->main.class.php
    /includes/
        ->functions.php
    /templates
    config.php
    phpinfo.php

推荐答案

我将您的root文件夹添加到包含路径并从那里开始工作.

I would add your root folder to the include path and work from there.

来自admin/test.php

set_include_path(implode(PATH_SEPARATOR, array(
    realpath(__DIR__ . '/..'),
    get_include_path()
)));

require_once 'class/main.class.php';
require_once 'includes/functions.php';
require_once 'config.php';

更新

如果我正确地遵循了您的问题，假设您想在config.php文件中定义此问题，则可以执行以下操作

Update

If I'm following your question correctly, assuming you wanted to define this in the config.php file, you would do something like this

set_include_path(implode(PATH_SEPARATOR, array(
    __DIR__,
    get_include_path()
)));

require_once 'class/main.class.php';
require_once 'includes/functions.php';

admin/test.php

require_once __DIR__ . '/../config.php';

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