Codeigniter is a PHP framework and follows MVC architecture. It is an open source. It provides a great flexibility to PHP coders with its built in functions. This framework is used to develop full featured web applications. This framework is easy to learn and there are no coding restrictions to follow, we can use core PHP also. There is no need of learning a new template language for this framework. Below image illustrates the flow of logic in the codeigniter system.
Follow this URL to know more about codeigniter http://codeigniter.com/
Download the latest version here http://codeigniter.com/download.php
Follow this link to view User guide http://codeigniter.com/user_guide/
Download the latest version here http://codeigniter.com/download.php
Follow this link to view User guide http://codeigniter.com/user_guide/
