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 ...

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 ...

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 own file and save it in config ...

This helper is automatically loaded by the framework on every request. Since v4.3.0, if you set Config\App::$allowedHostnames, this returns the URL with the hostname ...

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 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 ...

CodeIgniter provides a library to help you with certain common functions that you may want to use with Javascript. Please note that CodeIgniter does not require the jQuery library to run, and that any ...

We take security seriously. CodeIgniter incorporates a number of features and techniques to either enforce good security practices, or to enable you to do so easily. We respect the Open Web ...

CodeIgniter provides an object oriented solution for working with URI’s in your application. Using this makes it simple to ensure that the structure is always correct, no matter how complex the URI ...

The following page contains example code showing how the database class is used. For complete details please read the individual pages describing each function. Note CodeIgniter doesn’t support dots ( ...

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