CodeIgniter is a one of the best and popular open source PHP framework with a very small footprint, built for PHP coders who need a simple and elegant toolkit to create full-featured PHP based web applications with minimal code.
Its main goal is to enable you to develop projects much faster than you could if you were writing code from scratch, by providing a rich set of libraries for commonly needed tasks, as well as a simple interface and logical structure to access these libraries. CodeIgniter lets you creatively focus on your project by minimizing the amount of code needed for a given task.
The framework is based on the popular Model-View-Controller development pattern. While view and controller classes are a necessary part of development under CodeIgniter, Models are entirely optional and are rarely needed. Here is new and simple CodeIgniter 1.7.2 Quick Reference Cheatsheet created by CodeIgniter.com .
This cheat sheet attempts to better align with the new documentation structure CodeIgniter is now using and clearly marks all new and updated functions for CodeIgniter 1.7.2 . it come with 2 version of Cheat sheets. Both of them available in easy-to-print format in A4 size paper.
Download : CodeIgniter Cheat Sheet Version 1.7.2