Nilson-Junior's Stars
codeguy/php-the-right-way
An easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative tutorials around the Web
ziadoz/awesome-php
A curated list of amazingly awesome PHP libraries, resources and shiny things.
tpunt/PHP7-Reference
An overview of the features, changes, and backward compatibility breakages in PHP 7
EbookFoundation/free-programming-books
:books: Freely available programming books