You'll learn:
- What a Request URI is and why it matters
- How to build a minimal routing system from scratch
- The dangers of skipping routing logic
- How to implement a fallback 404 handler
- Real-world examples using PHP's built-in web server
Whether you're building a personal project or a production app, understanding routing is non-negotiable. One wrong move, and your users might be staring at broken pages or worse — blank screens.
