How to INCLUDE php files in nested folders

Question

I am new to php and facing initial problems :).

My directory structure is as follows :

site
   index
      homepagesections.php
   assets
       css
         style.css
   config
      db.php
   include
      header.php

index.php

In the index.php , which is in the root folder I need to include the header.php file which includes config/db.php and also assets/css/style.css.

I have tried all the options ( including. the DIR option ) but failed. What is the best way to include these files and also the path for the style.css ?

Answer 1

In index.php path to header is include/header.php:

include('include/header.php');

In header your path to db.php is ../config/db.php so you will have:

include('../config/db.php');

Note '../' - this is how you navigate 1 level up, from the directory your file is. In header adding css will be something like:

<link rel="stylesheet" href="../assets/css/style.css">

Answer 2

In index.php:

include (__DIR__.'/include/header.php');

In header.php:

include (__DIR__.'/../config/db.php');
include (__DIR__.'/../assets/css/style.css');