Overview of WordPress Folder and File structure and its Core Files - A Savvy Web
Understanding WordPress Folder and File Structure and Where does a theme live? - UsableWP
Symfony News on Twitter: "The evolution of the default directory structure in Symfony applications. (Learn more: https://t.co/4linnbT7Pn) https://t.co/BrouWUmbni" / Twitter
Describing files and folder of OpenCart Framework
Contributing to PHP: How to Contribute to PHP's Manual - SitePoint
This document is everything you need to know about Magento 2 File Structure as well as the structure in Module, Theme, and Language package. – Mageplaza
Zend Framework 2 Project Structure
Phalcon - Application Structure
A Simplified Approach to MVC on PHP
The ultimate guide to PHP Project Structure - ICTShore.com
File Structure in CodeIgniter - javatpoint
Listing directory on a server using php - Stack Overflow
apache - Structure for a MVC PHP application - Stack Overflow