What is Codeigniter ?
Codeigniter is an open-source project that is easy to use and object-oriented PHP web application framework. It providing a ready-to-use library to use with your own PHP applications.
CodeIgniter is based on the Model-View-Controller (MVC) development pattern. MVC is a software approach that separates application logic from presentation.
What is MODEL ?
This file represents your data structures. Typically, your model classes will contain functions that help you retrieve, insert and update information in your database.
What is VIEW?
It is information that is being presented to a user. A View will normally be a web page, but in Codeigniter, a view can also be a page fragment like a header or footer.
What is CONTROLLER?
The Controller serves as an intermediary between the Model, the View, and any other resources needed to process the HTTP request and generate a web page.
***Extra Knowledge***
Codeigniter is a framework to develop a website. So what is FRAMEWORK ?
A framework, in computer programming is an abstraction in which common code providing generic functionality can be selectively overridden or specialized by user code providing specific functionality.
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