<?php
$server_name = "localhost";
$user_name = "username";
$password = "password";
$dbname="database_name";
// Creating new connection to database
$conn = mysqli_connect($server_name , $user_name , $password, $dbname);

// Check connection
if ($conn->connect_error)
 {
    die("Connection to database failed :-  " . $conn->connect_error);
} 
echo "successfully Coonected to Database.";
?>