public function __construct()
{
$username = Cart66Setting::getValue('paypalpro_api_username');
$password = Cart66Setting::getValue('paypalpro_api_password');
$signature = Cart66Setting::getValue('paypalpro_api_signature');
if (!($username && $password && $signature)) {
throw new Cart66Exception('Invalid PayPal Pro Configuration', 66502);
}
parent::__construct();
}
