PHP connecting mysql database with your site

<?php

$servername = "localhost"; 

$username = "root";   //use your name

$password = "";  //put if you have

$dbname = "ditcool";   //your database name

// Create connection

$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection

if ($conn->connect_error) {

    die("Connection failed: " . $conn->connect_error);

}