🛠️ Workshops

Hands-on coding sessions hosted at GroningenPHP meetups. Each workshop is self-contained — all you need is a browser or a local PHP install.

Pick an edition below and work through the exercises at your own pace. Solutions are gated behind short quiz questions so you can check your understanding first.

May 7 2026
PHP 8.4 PHP 8.5 4 exercises

PHP 8.4 & 8.5 — New Features Workshop

Explore property hooks, asymmetric visibility, the pipe operator, clone-with, six brand-new array functions, and PHP attributes — through four focused, hands-on exercises.

PHPProperty Hooks PHPAsymmetric Visibility PHPPipe Operator |> PHPClone With PHParray_find() & friends PHPAttributes
View exercises
Apr 1 2026
Security 9 challenges LAN only

PHP Security — Capture The Flag

Nine hands-on security challenges covering classic web attack vectors. Work through each level to steal the flag. Available on the local network at ctf2025.ctf.groningenphp.nl.

Previous editions: Aug 21, 2025  ·  Dec 11, 2025

Credentials Broken Access Control SQL Injection Local File Inclusion Hash Juggling Stored XSS Dangerous Uploads Insecure Design Supply Chain
Open CTF