CodeIgniter Introduction

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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
• East 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)