// connection
	$servername = "localhost";  // localhost (mostly)
	$username = "username";
	$password = "password";
	$dbname = "dbname";

	// connect to database/host/server whatever
	$conn = mysqli_connect($servername, $username, $password, $dbname);

	if (!$conn){
		die ("connect error: " . mysqli_connect_error());
	}