WellCommerce\Bundle\OrderBundle\Entity\OrderInterface::hasModifier PHP Метод

    public function hasModifier(string $name) : bool;

 public function getOrderModifier(OrderInterface $order, string $name) : OrderModifierInterface
 {
     if (false === $order->hasModifier($name)) {
         return $this->createOrderModifier($order, $name);
     }
     return $order->getModifier($name);
 }