CodeIgniter is a free, open-source PHP web application framework that is used for the rapid development without the overhead of having to constantly create reusable components. It is developed for those developers who require an elegant yet simple toolkit to build full-fledged web applications. It offers logical structure and reusable interface to libraries that are written to perform common tasks.
It also offers a fast extensible foundation to write complex software. It is based on MVC architecture. Whereas the controller classes a significant part of the development, remaining components (Models and Views) are optional. It not only simplifies the PHP code but also brings out an entirely interactive and dynamic website, that too at a short time. It makes your code easier to read and your web more robust.
Some of its key features along with the reason why one for it should are maintained below:-
Enables Fast Performance:
No Configuration Required:
9. Its File Uploading Class, FTP Class, Localization, Benchmarking, Error Logging, Pagination, Calendaring Class, User Agent Class, Template Engine Class and so on.