Welcome to CodeIgniter
CodeIgniter is a powerful PHP framework with a very small footprint, built for developers who need a simple and elegant toolkit to create full-featured web applications.
CodeIgniter at a Glance — CodeIgniter 3.1.13 documentation
CodeIgniter comes with full-range of libraries that enable the most commonly needed web development tasks, like accessing a database, sending email, validating form data, …
Tutorial — CodeIgniter 3.1.13 documentation
This tutorial is intended to introduce you to the CodeIgniter framework and the basic principles of MVC architecture. It will show you how a basic CodeIgniter application is constructed in step …
CodeIgniter at a Glance : CodeIgniter User Guide
CodeIgniter lets you creatively focus on your project by minimizing the amount of code needed for a given task.
CodeIgniter User Guide — CodeIgniter 3.1.13 documentation
Introduction ¶ CodeIgniter Overview Getting Started CodeIgniter at a Glance Supported Features Application Flow Chart Model-View-Controller Architectural Goals
Active Record : CodeIgniter User Guide
CodeIgniter uses a modified version of the Active Record Database Pattern. This pattern allows information to be retrieved, inserted, and updated in your database with minimal scripting.
CodeIgniter Features — CodeIgniter 3.1.13 documentation
The only way to really judge an app is to try it and get to know the code. Installing CodeIgniter is child’s play so we encourage you to do just that. In the mean time here’s a list of CodeIgniter’s …
Welcome to CodeIgniter4 — CodeIgniter 4.6.3 documentation
Aug 2, 2025 · CodeIgniter is a PHP full-stack web framework that is light, fast, flexible and secure. It is an Application Development Framework - a toolkit - for people who build web sites using …
Session Library — CodeIgniter 4.6.3 documentation
Aug 2, 2025 · CodeIgniter will usually make everything work out of the box. However, Sessions are a very sensitive component of any application, so some careful configuration must be done.
Models — CodeIgniter 3.1.13 documentation
For example, let’s say you use CodeIgniter to manage a blog. You might have a model class that contains functions to insert, update, and retrieve your blog data.