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

This repository is for the legacy version, CodeIgniter 3.CodeIgniter 4 is the latestversion of the framework.

CodeIgniter 3 is the legacy version of the framework, intended for use with PHP5.6+. This version is in maintenance, receiving mostly just security updates.

This repo contains in-development code for future releases. To download thelatest stable release please visit theCodeIgniter Downloads page.

You can find a list of all changes for each release in theuserguide change log.

PHP version 5.6 or newer is recommended.

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

Please see theinstallation sectionof the CodeIgniter User Guide.

Please see thelicenseagreement.

• User Guide
• Contributing Guide
• Language File Translations
• Community Forums
• Community Wiki
• Community Slack Channel

Report security issues to ourSecurity Panelor via ourpage on HackerOne, thank you.

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