PHP包括包括：（不同的目录）内 [英] PHP include inside an include (different directory)

问题描述

当前项目我工作的结构是这样的：

The structure for the current project I am working on is something like:

• 根/ index.php文件


• 根/包括/ PHP / first.php


• 根/包括/ PHP / functions.php文件

所以index.php文件包括first.php：

So index.php includes first.php:

<?php include_once("includes/php/first.php"); ?>

通常然后我first.php会叫喜欢的功能：

Normally then my first.php would call functions like:

<?php include_once("includes/php/functions.php"); ?>

假设相对仍然会从索引页但是移动到新的服务器时，它不工作的时候。我试图从first.php使得相对路径：

Assuming the relative would still be from the index page however when moving to a new server it didn't work. I tried making the relative path from first.php:

include_once("functions.php");

和这似乎现在的工作。

这通常是正确的方式做到这一点？我想推出这个项目出这么只是任何人都将能够安装它。

Which would normally be the correct way to do this? I want to roll this project out so just about anyone would be able to install this.

推荐答案

包括相对于文件执行，包括。如果你真的想确保并避免任何歧义，你可以这样做：

includes are relative to the file doing the including. If you really want to make sure and avoid any ambiguity, you could do this:

include dirname(__FILE__) . "/functions.php";

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