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 ...

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 ...

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 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 ...

The Language Class provides functions to retrieve language files and lines of text for purposes of internationalization. You can create or incorporate your own ...

In addition, you may create your own, custom session drivers based on other kinds of storage, while still taking advantage of the features of the Session class. Sessions will typically run globally ...

Migrations are a convenient way for you to alter your database in a structured and organized manner. You could edit fragments of SQL by hand but you would then be responsible for telling other ...

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

Before performing an update you should take your site offline by replacing the index.php file with a static one.

It pre-processes global input data for security. It provides some helper methods for fetching input data and pre-processing it.

CodeIgniter has a config file that lets you store your database connection values (username, password, database name, etc.). The config file is located at application ...