Creating a Simple Sign Up Form with Validation in PHP/MySQLi Tutorial

This tutorial will show you how to create a simple sign-up form with validation using PHP/MySQLi. This tutorial does not include a good design but will give you an idea of how to create a simple Sign Up form using PHP/MySQLi. The sign-up form that we will create has a validation that returns messages in each field that has a value that hasn't reach the input field requirement such as null values