The Symfony documentation
PHP Language Specification
Examples of using each Illuminate component in non-Laravel applications
SQLI labs to test error based, Blind boolean based, Time based.
Source files for the 30 days free tutorials challenge as part of the Make Professional 2d Games with Godot Kickstarter
Learn You PHP! - An introduction to PHP's core features: i/o, http, arrays, exceptions and so on.
Clean Code concepts adapted for PHP
This is a collection of tutorials for learning how to use Docker with various tools. Contributions welcome.