The latest version of CodeIgniter is version 4 and is actively supported. CodeIgniter 3 is still supported, but it mainly receives security fixes.
If you are planning to build a new web application using CodeIgniter, you should use CodeIgniter 4.
4.5.7
Latest release
Released 15 days ago (December 31, 2024)
| Software |
 CodeIgniter |
| Introduction | CodeIgniter is an open source web framework for building web applications, built on PHP. It provides many useful features to help you build a web application faster such as Form validation, Templating, many helper functions, Database query builder, etc. |
| Written in | PHP |
| Operating system | Cross-platform |
| Type | Web Framework |
| Repository | https://github.com/codeigniter4/CodeIgniter4 |
| Website | https://codeigniter.com |
| License | MIT license |
All Releases
| Version | Supported PHP versions | First official release | Latest patch release | Support status |
|---|---|---|---|---|
| 4 | PHP 7.4+ | 4.0.0 4 years ago February 23, 2020 | 4.5.7 15 days ago December 31, 2024 | Yes |
| 3 | PHP 5.6+ | 3.0.0 9 years ago April 24, 2015 | 3.1.13 2 years ago March 03, 2022 | Yes |
| 2 | PHP 5.1.6+ | 2.0.3 13 years ago August 20, 2011 | 2.2.6 9 years ago October 31, 2015 | No |
Recent Releases
| Version | Release date |
|---|---|
| 4.5.7 |
15 days ago December 31, 2024 |
| 4.5.6 |
18 days ago December 28, 2024 |
| 4.5.5 |
4 months ago September 07, 2024 |
| 4.5.4 |
5 months ago July 27, 2024 |
| 4.5.3 |
6 months ago June 25, 2024 |