$db_host = 'localhost';
$db_user = 'user';
$db_password = '';
$db_name = 'mydatabase';
$mysqli = new mysqli($db_host, $db_user, $db_password , $db_name);
$mysqli->set_charset("utf8");
if (mysqli_connect_errno())
die("Connection Error: " . mysqli_connect_error() . "<br />");