CodeIgniter gives you access to a Query Builder class. This pattern allows information to be retrieved, inserted, and updated in your database with minimal scripting. In some cases only one or two ...

You can add your own config items to this file, or if you prefer to keep your configuration items separate (assuming you even need config items), simply create your ...

The following page contains example code showing how the database class is used. For complete details please read the individual pages describing each function.

The Form Helper file contains functions that assist in working with forms.

The Output class is a core class with one main function: To send the finalized web page to the requesting browser. It is also responsible for caching your web pages, if you use that feature. Note This ...

Every time CodeIgniter runs there are several base classes that are initialized automatically as part of the core framework. It is possible, however, to swap any of the core system classes with your ...

The Cart Class permits items to be added to a session that stays active while a user is browsing your site. These items can be retrieved and displayed in a standard “shopping cart” format, allowing ...

This example demonstrates how to compress a file, save it to a folder on your server, and download it to your desktop.

Sending email is not only simple, but you can configure it on the fly or set your preferences in a config file. Here is a basic example demonstrating how you might send email. Note: This example ...

The Smiley helper has a renderer that takes plain text smileys, like :-) and turns them into a image representation, like It also lets you display a set of smiley images that when clicked will be ...

Helpers, as the name suggests, help you with tasks. Each helper file is simply a collection of functions in a particular category. There are URL Helpers, that assist in creating links, there are Form ...

Normally the second segment of the URL is reserved for the method name, but in the example above it instead has a product ID. To overcome this, CodeIgniter allows you ...