How to do form validation in codeigniter

Today we are going to learn more about how to create server-side validation using CodeIgniter framework.

Whenever creating Codeigniter validation at that time load “form_validation” and “session” library and also load helpers such as form, URL, and HTML.

if the user fills all form data then click on button and form_validation is true then data will be inserted into database otherwise given the error message.

See below code.

Create controller and put below method

Create view file of add.php

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