CodeIgniter quiz

Test your CodeIgniter knowledge with a free interactive quiz — 19 questions with answers and explanations. No signup needed to play.

What is the significance of CodeIgniter 4 compared to CodeIgniter 3?

1. What is the significance of CodeIgniter 4 compared to CodeIgniter 3?
2. Why might a team choose CodeIgniter over a heavier framework like Laravel or Symfony for a given project?
3. What is CodeIgniter's "Model" class (extending `CodeIgniter\Model` in CI4) typically responsible for?
4. What does CodeIgniter's `.env` file (CI4) configuration convention provide?
5. What is CodeIgniter?
6. What is CodeIgniter's built-in RESTful API support/conventions typically used for?
7. What is CodeIgniter's Query Builder used for?
8. What is the significance of CodeIgniter 4 restructuring the project with a dedicated `public/` directory as the web root?
9. What is CodeIgniter's default URL-to-controller routing convention?
10. What is CodeIgniter's built-in Form Validation library used for?
11. What does CodeIgniter's CSRF protection feature guard against, and how is it typically enabled?
12. What is a CodeIgniter "Filter" (introduced in CI4, replacing CI3's "Hooks"/before-controller logic)?

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