CodeIgniter is based on the Model-View-Controller development pattern. MVC is a software approach that separates application logic from presentation. In practice, it permits

The Profiler Class will display benchmark results, queries you have run, and $_POST data at the bottom of your pages. This information can be useful during development

Developers often desire different system behavior depending on whether an application is running in a development or production environment. For example, verbose error output

A view is simply a web page, or a page fragment, like a header, footer, sidebar, etc. In fact, views can flexibly be embedded within other views (within other views, etc.,

The following pages describe the broad concepts behind CodeIgniter:

Any software application requires some effort to learn. We’ve done our best to minimize the learning curve while making the process as enjoyable as possible.

Models are optionally available for those who want to use a more traditional MVC approach. Page Contents

All of the available libraries are located in your system/libraries/ directory. In most cases, to use one of these classes involves initializing it within a

Note: This tutorial assumes you’ve downloaded CodeIgniter and

This tutorial did not cover all of the things you might expect of a full-fledged content management system, but it introduced you to the more important topics of routing, writing