This project is a blog. He make from scratch in php POO, twig, and composer (autoload). I use Twig bundle and YAML parser of symfony.
Logic of code in image in this slides: https://docs.google.com/presentation/d/1JOl51F9q3oUeFH6Fl91oNeqpagN9T6AG-frY1_x4SXQ/edit?usp=sharing