$username = strtolower($_POST['username']);
        $password = $_POST['password'];

        $prepquery = $db->prepare('SELECT * FROM users WHERE ENCRYPT(:password, password) = password AND username = :username');
        $prepquery->bindParam(':username', $username);
        $prepquery->bindParam(':password', $password);
        $prepquery->execute();
        $res = $prepquery->fetch(PDO::FETCH_ASSOC);