Concept of Trait in CodeIgniter 4 Tutorial with Example

n general, Traits are nothing but a reusable collection of methods and functions that can be incorporated in any other classes.

Inside this article we will see the concept of Trait in CodeIgniter 4 with Example. How to create & use it in CodeIgniter 4 application, all basic things we will cover in this trait tutorial of CodeIgniter 4.

What we will do inside this article –

• Create a Trait in CodeIgniter i.e reusable block of code, which we can access in any controller and use it.

Note*: For this article, CodeIgniter v4.1 setup has been installed. May be when you are seeing, version will be updated. CodeIgniter 4.x still is in development mode.

Table of Contents

• Download & Install CodeIgniter 4 Setup
• Settings Environment Variables
• Create Database & Tables To Application
• Database Connectivity to Application
• Create Seeders
• Seed data into database table
• Create Models
• Create Traits in CodeIgniter
• Create Routes
• Create Controller
• Application Testing

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