self::$pdo = new PDO(
'mysql:host=' . MYSQL_HOST .';dbname=' . MYSQL_DB,
MYSQL_USER,
MYSQL_PASS
);$host = "localhost";
$dbname = "example";
$username = "root";
$password = "password";
self::$pdo = new PDO("mysql:host=".$host.";dbname=".$dbname.";charset=UTF8", $username, $password);