CodeIgniter Tutorial for Beginners

UpdatedJanuary 7, 2026

CodeIgniter Tutorial Summary

CodeIgniter is an open-source software rapid development web framework, for use in building dynamic web sites with PHP. This course teaches you basic to advance level concept of CodeIgniter to make you a CodeIgniter Pro!

What should I know?

The CodeIgniter 4 online guide is designed for beginners with little or no CodeIgniter experience. But before you begin, first take the PHP course.

CodeIgniter Syllabus

Introduction

👉 Lesson 1 What is CodeIgniter? — How does CI Framework Work?

👉 Lesson 2 How to Download & Install CodeIgniter + Composer — Configuration Included

👉 Lesson 3 CodeIgniter Folder, File & Directory Structure — Learn CI Structure

Advanced Stuff

👉 Lesson 1 CodeIgniter MVC Framework — Learn With Example

👉 Lesson 2 CodeIgniter Controllers, Views Routing — Learn with Example App

👉 Lesson 3 CodeIgniter Routes — Learn With Example

👉 Lesson 4 CodeIgniter Form — CodeIgniter Form Validation with Form Submit

👉 Lesson 5 Codeigniter Active Record — Insert, Select, Update, Delete

👉 Lesson 6 CodeIgniter Database Tutorial — Create, Update, Delete

👉 Lesson 7 Pagination in Codeigniter — Learn with Step by Step Example

👉 Lesson 8 Session In CodeIgniter — How to Set Session in Codeigniter With Example

👉 Lesson 9 How to Upload Image & File in CodeIgniter — Learn With Example

👉 Lesson 10 CodeIgniter Sending Email — How to Send Email using CodeIgniter

Must Know!

👉 Lesson 1 Cookie and Session — What’s the Difference?

👉 Lesson 2 Laravel vs CodeIgniter — Which is Better?

👉 Lesson 3 CodeIgniter Interview Questions — Top 50 CodeIgniter Interview Q & A