包括在PHP中 [英] includes in php

问题描述

我在项目中包含了很多页面，我遇到包含内部路径不正确的问题，有没有办法从root包含文件，
我试着这样做

I include many pages inside each other in my project, I face problem of incorrect paths inside the include, is there any way to include the file from the root, I try to make like this

require_once("$_SERVER['DOCUMENT_ROOT']/crm/includes/opendb.php");
require_once("./includes/opendb.php");
require_once("../includes/opendb.php");
require_once("includes/opendb.php");

并且所有包含文件时出错，任何建议都是PLZ？

and all makes error in includeing the file, any suggestion plz?

编辑

我有2个文件夹，控制器和包含，在控制器内我从include文件夹中调用opendb.php ，我在下面的答案中证明了这一点

I have 2 folders, controllers and includes, inside the controller I call opendb.php from includes folder, I make as demonstrated in an answer below

set_include_path('../includes/');
include 'opendb.php';

和

set_include_path('includes/');
include 'opendb.php';

但同样的错误

Warning: include(opendb.php) [function.include]: failed to open stream: No such file or directory in C:\AppServ\www\crm\controllers\Customer.controller.php on line 

推荐答案

$ _SERVER ['DOCUMENT_ROOT'] / crm / includes / opendb.php不正确：你不能在双引号内的数组键周围使用撇号。请尝试以下方法之一：

"$_SERVER['DOCUMENT_ROOT']/crm/includes/opendb.php" is incorrect: you can't use apostrophes around array keys inside double quotes. Try one of these:

require_once( $_SERVER['DOCUMENT_ROOT']."/crm/includes/opendb.php" );
require_once( "$_SERVER[DOCUMENT_ROOT]/crm/includes/opendb.php" );
require_once( "{$_SERVER['DOCUMENT_ROOT']}/crm/includes/opendb.php" );

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