What do I put here for connecting to my SQL database

[Redlava]

<?php
session_start();
$DATABASE_HOST = 'localhost';
$DATABASE_USER = 'I don’t know';
$DATABASE_PASS = '';
$DATABASE_NAME = 'phplogin';

I don’t know what to put for the database user database host or database pass

[Redlava]

Never mind I think I know

[Oxy]

How to connect with MySQL

Both the popular PDO and MySQLi libraries are available on all accounts and PHP versions, which are the libraries all (modern) scripts use to connect to a MySQL database. However, to use a database, you need to configure a few things first. Before you can use a database, you need to create the database first. You can create a database through your control panel in the section called MySQL Databases. Simply enter a desired name in the text box and click Create Database. To use the database with…

Most of the answers can be found here Docs