CodeIgniter Introduction

Codeigniter introduction
Codeigniter is a MVC Framework
What is MVC ?
MVC Stands for Model, View and Controller
MVC Architecture

Model-

• Model work as back-end.
• Model deals with back-end operations.
• Fetch data from database and send to controller

Views-

• View work as front-end.
• View deals with fronted operations.
• Display data and capture user action
• Send user action to controller

Controllers-
Controller works as intermediater between model and view.
Advantage of MVC

• Reduce code felxibilty
• Code Reusability
• Easy to manage
• Code readabilty

What is framework ?
Framework is a collection of reusable libraries. which mean how to reuse the code.
why we use codeigniter

• Lightweight(consumer low memory)
• Easy to learn
• Good documentation (https://www.codeigniter.com/docs)

How to install codeigniter
Download the code from https://www.codeigniter.com/
Extract the zip file and paste in the root directory
Rename the directory(if you want)
run the codeigniter (https://localhost/directory_name)