Acknowledgments
An Introduction To The CodeIgniter Handbook
An Introduction To Volume Two
Who Should Read This Book?
Part 1 - Theory
An HTTP Primer
Resources
RESTful Routes
Part 2 - The Build
Routing
Responding
Versioning
Error Handling
Part 3 - Authentication
How We Authenticate
Writing The Code
Throttling
Part 4 - Debugging
OPTIONS
Debug Mode
Automated Testing
Summary
https://efendibooks.com/books/codeigniter-handbook/vol-2