CodeIgniter is an

open-source software Open-source software (OSS) is computer software that is released under a license in which the copyright holder grants users the rights to use, study, change, and distribute the software and its source code to anyone and for any purpose. Op ...

rapid development

web framework A web framework (WF) or web application framework (WAF) is a software framework that is designed to support the development of web applications including web services, web resources, and web APIs. Web frameworks provide a standard way to build and ...

, for use in building dynamic web sites with

PHP PHP is a general-purpose scripting language geared toward web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. The PHP reference implementation is now produced by The PHP Group. ...

Popularity

CodeIgniter is loosely based on the popular

model–view–controller Model–view–controller (MVC) is a software architectural pattern commonly used for developing user interfaces that divide the related program logic into three interconnected elements. This is done to separate internal representations of infor ...

(MVC) development pattern. While controller classes are a necessary part of development under CodeIgniter, models and views are optional. CodeIgniter can be also modified to use Hierarchical Model View Controller (HMVC) which allows the developers to maintain modular grouping of Controller, Models and View arranged in a sub-directory format. CodeIgniter is most often noted for its speed when compared to other PHP frameworks. In a critical take on PHP frameworks in general, PHP creator

Rasmus Lerdorf Rasmus Lerdorf (born 22 November 1968) is a Danish-Canadian programmer. He co-authored and inspired the PHP scripting language, authoring the first two versions of the language and participating in the development of later versions led by a gro ...

spoke at

frOSCon The FrOSCon (FRee and Open Source CONference) is an annual conference organized by the Bonn-Rhein-Sieg University of Applied Sciences and the FrOSCon E.V. The FrOSCon features a variety of lectures and workshops on free and open source software. ...

in August 2008, noting that he liked CodeIgniter "''because it is faster, lighter and the least like a framework.''"

Source code and license

CodeIgniter's source code is maintained at

GitHub GitHub, Inc. () is an Internet hosting service for software development and version control using Git. It provides the distributed version control of Git plus access control, bug tracking, software feature requests, task management, continuous ...

, and as of the preview version 3.0rc, is certified open source software licensed with the

MIT License The MIT License is a permissive free software license originating at the Massachusetts Institute of Technology (MIT) in the late 1980s. As a permissive license, it puts only very limited restriction on reuse and has, therefore, high license comp ...

. Versions of CodeIgniter prior to 3.0.0 are licensed under a proprietary Apache/BSD-style open source license. A 2011 decision to switch licensing to the Open Software License (OSL) sparked some community controversy, especially about the

GPL The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the four freedoms to run, study, share, and modify the software. The license was the first copyleft for general u ...

incompatibility of the new license, to which EllisLab has responded with a series of articles entitled Software License Awareness Week.

History

The first public version of CodeIgniter was released by

EllisLab EllisLab was a software development company based in Santa Barbara, California. In November 2018, the company was acquired by Digital Locations. In October 2019 the company was sold back to its founder and CEO Rick Ellis, who then closed the ...

on February 28, 2006. On July 9, 2013,

announced that it was seeking a new owner for CodeIgniter, citing a lack of resources to give the framework the attention they felt it deserved. On October 6, 2014, EllisLab announced that CodeIgniter would continue development under the stewardship of the

British Columbia Institute of Technology The British Columbia Institute of Technology (also referred to as BCIT), is a public polytechnic institute in Burnaby, British Columbia. The technical institute has five campuses located in the Metro Vancouver region, with its main campus in Burn ...

. As of October 23, 2019, with the CodeIgniter Foundation taking the reins, CodeIgniter is no longer under the care of the

. CodeIgniter 4 was released On February 24, 2020, the birthday of Jim Parry, the project lead of CodeIgniter 4, and who died on January 15, 2020. Since then, the project continues with another lead.

References

External links

*
Codeigniter en español
{{PHP Free software programmed in PHP PHP frameworks Web frameworks Software using the MIT license es:EllisLab#Code Igniter

Popularity

Source code and license

History

See also

References

External links