Please refer to the upgrade instructions corresponding to your installation method.

The Session class permits you maintain a user's "state" and track their activity while they browse your site. The Session class stores session information for each user as serialized (and optionally ...

CodeIgniter features wrappers around some of the most popular forms of fast and dynamic caching. All but file-based caching require specific server requirements, and a Fatal Exception will be thrown ...

The Trackback Class provides functions that enable you to send and receive Trackback data. If you are not familiar with Trackbacks you’ll find more information here. The Trackback class will ...

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

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

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 ...

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 CodeIgniter’s Model provides convenience features and additional functionality that people commonly use to make working with a single table in your database more convenient. It comes out of the ...

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 ...

The Encryption Service provides two-way symmetric (secret key) data encryption. The service will instantiate and/or initialize an encryption handler to suit your parameters as explained below.

BCC Batch Mode, enabling large email lists to be broken into small BCC batches. Sending email is not only simple, but you can configure it on the fly or set your preferences in the ...