CodeIgniter Introduction

Codeigniter introduction

Codeigniter is a MVC Framework

What is MVC ?

MVC Stands for Model, View and Controller

MVC Architecture


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


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


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

How to install codeigniter

Download the code from

Extract the zip file and paste in the root directory

Rename the directory(if you want)

run the codeigniter (https://localhost/directory_name)

About the author

Anuj kumar

I'm Anuj kumar a web developer with 4+ year experience .I write blogs in my free time. I love to learn new technologies and share with others. I founded PHPGurukul in September 2015. The main aim of this website to is provide php , jquery , mysql , phpoops and other web development tutorials. I am trying best effort to make PHPGurukul useful for every single moment spend on this website. If you think this website is useful to visit please share with your friend and buddies.

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