CodeIgnitor is a powerful PHP framework with a very small footprint which is built for developers who need a simple and elegant toolkit to create full featured web application. It is loosely based on popular Model-View-Controller (MVC) development pattern. The main goal of CodeIgnitor is to allow individual to develop projects much faster than you could of you were writing the code from the scratch, by providing a rich set of libraries for commonly needed tasks, as well as simple interface and logical structure to access these libraries. CodeIgnitor lets you focus on your project by minimizing the amount of code required for a specific task. CodeIgnitor will be best product for you if:
You want a framework with a small footprint.
Your need exceptional performance.
You need broad compatibility with standard hosting accounts that run a variety of PHP versions and configurations.
You want a framework that requires nearly zero configuration.
You need clear, thorough documentation.
You want a framework that does not require you to adhere to restricting coding rules.
You are not interested in large scale monothilic libraries like PEAR.
You do not want to be forced to learn a templating language.
You want a framework that does not require you to use command line.
You eschew complexity, favoring simple solutions.