This is a default structure for PHP projects.
A structure I use to get started with PHP projects. It enables the developer to hook up plugins and let's you use pretty URLs
Common PHP skeleton for PSR-4 libraries and components
A skeleton repository for League Packages
Standard PHP package skeleton.
A tool for quickly measuring the size of a PHP project.
A minimalist MVC framework.
Phalcon MVC Examples
Generic project structure for WordPress website industrialisation.