CodeIgniter is a powerful, simple and elegant PHP framework for creating full-featured web applications. It lets the user creatively concentrate on the project by minimizing the amount of code needed for any given task or feature.

Features of CodeIgniter:
- Exceptional performance
- Already used in many large scale real-life applications
- Small footprint
- Broad compatibility with many standard hosting accounts
- Lots of documentation and tutorials
- Extendable via plugins
- MVC structure
- Multi-databasae support
- Active Record database support
- Easy form data validation
- Lots of security features
- XSS filtering
- Session management
- Easy email class
- Benchmarking utilities
- Caching system
- Error logger
- Profiling
- UserAgent sniffing
- Zip encoding
- Template engine
- XML-RPC library
- Support for unit testing
- Search-engine friendly URLs
- Included URI routing system
- Image manipulation
- Transfers files via FTP
- Localization
- Content pagination
- Data encryption

What's New in This Version:
- Improved security in xss_clean().