If you do not utilize CodeIgniter’s template engine, you’ll

Controllers are the heart of your application, as they determine how HTTP requests should be handled. Page Contents

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

In order to help out, CodeIgniter uses a series of function, method, class and variable names in its operation. Because of this, some names cannot be used by a developer. Following

Drivers are a special type of Library that has a parent class and any number of potential child classes. Child classes have access to the parent class, but not their siblings

By default it is assumed that you only intend to use CodeIgniter to manage one application, which you will build in your application/ directory. It is possible, however

As well as calling an applications Controllers via the URL in a browser

Typically there is a one-to-one relationship between a URL string and its corresponding controller class/method. The segments in a URI normally follow this pattern:

CodeIgniter comes with an “Auto-load” feature that permits libraries, helpers, and models to be initialized automatically every time the system runs. If you need certain resources

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