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Open Source PHP Framework (originally from EllisLab)
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narfbg [ci skip] Merge pull request #5938 from taitomagatsu/fix-image-creati…

Fixed issue with creating a resource from png using Image_lib
Latest commit 1428072 Apr 6, 2020


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application [ci skip] Merge pull request #5918 from wobility/patch-1 Mar 30, 2020
system Fixed issue with creating a resource from png using Image_lib Apr 2, 2020
tests inserted required attribute in html tags in documentation Jan 25, 2020
user_guide_src [ci skip] Merge pull request #5890 from jerkob/develop Jan 28, 2020
.editorconfig [ci skip] Merge pull request #4970 from arysom/develop Jan 5, 2017
.gitattributes [ci skip] Merge pull request #5859 from indrakaw/gitattributes Nov 1, 2019
.gitignore [ci skip] Merge pull request #5191 from jim-parry/patch/docs Jul 21, 2017
.travis.yml Replace master to nightly on Travis Sep 19, 2019
DCO.txt Adding contribution guidelines to user guide, including new Developer… Jul 2, 2012 [ci skip] Add download link check to Oct 28, 2016
composer.json Replace mikey179/vfsStream to mikey179/vfsstream Sep 19, 2019 Adding back '<your-name>/CodeIgniter.git' to step 4 in… May 28, 2019
index.php Update copyright date to 2019 Dec 27, 2018
license.txt Merge pull request #5662 from jim-parry/copyright2019 Jan 2, 2019
phpdoc.dist.xml Fix phpdoc config file May 2, 2012
readme.rst http:// to https:// May 17, 2018


What is CodeIgniter

CodeIgniter is an Application Development Framework - a toolkit - for people who build web sites using PHP. Its goal is to enable you to develop projects much faster than you could if you were writing code from scratch, by providing a rich set of libraries for commonly needed tasks, as well as a simple interface and logical structure to access these libraries. CodeIgniter lets you creatively focus on your project by minimizing the amount of code needed for a given task.

Release Information

This repo contains in-development code for future releases. To download the latest stable release please visit the CodeIgniter Downloads page.

Changelog and New Features

You can find a list of all changes for each release in the user guide change log.

Server Requirements

PHP version 5.6 or newer is recommended.

It should work on 5.4.8 as well, but we strongly advise you NOT to run such old versions of PHP, because of potential security and performance issues, as well as missing features.


Please see the installation section of the CodeIgniter User Guide.


Please see the license agreement.


Report security issues to our Security Panel or via our page on HackerOne, thank you.


The CodeIgniter team would like to thank EllisLab, all the contributors to the CodeIgniter project and you, the CodeIgniter user.

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