Advanced technical training

Measure your real level in PHP, Symfony and SQL.

20-question certification-level sessions with detailed corrections, statistics and revision recommendations. Built for experienced developers.

Start for freeSign in

PHP

Types, OOP, closures, exceptions, generators, language subtleties and comparison pitfalls.

346 questions

Symfony

Container, HttpKernel, Doctrine, forms, security, Messenger, cache and best practices.

364 questions

SQL

Joins, NULL, aggregation, window functions, transactions, isolation, indexes and optimization.

290 questions

How it works

1

Choose a theme (or mixed mode), a difficulty and a mode: free practice, timed quiz or mock exam.

2

Answer exactly 20 questions from a pool of 1000, with history-based repetition prevention.

3

Get your score out of 20, detailed corrections and revision recommendations.