CodeIgniter Interview Questions — a practical guide to CodeIgniter interview questions with clear examples you can reuse in real projects.
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Short description
Be ready to explain MVC, CI4 vs CI3, validation, sessions, migrations, and how filters work.
Sample Q&A
Q: What is MVC in CI?
A: Model=data, View=UI, Controller=request flow.
Q: What are filters?
A: Middleware-like before/after hooks.
Q: Why Query Builder?
A: Safer, readable DB queries.
Q: How do you prevent XSS?
A: Escape output with esc().