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

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 ...

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 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 ...

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 ...

CodeIgniter provides a few functions and variables that are globally defined, and are available to you at any point. These do not require loading any additional libraries or helpers.

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 Response class extends the HTTP Message Class with methods only appropriate for a server responding to the client that called it.

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 ...

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 ...

CodeIgniter’s Hooks feature provides a means to tap into and modify the inner workings of the framework without hacking the core files. When CodeIgniter runs it follows a specific execution process, ...