Eccube\Controller\CartController::remove PHP Method

    public function remove(Application $app, Request $request, $productClassId)
    {
        $this->isTokenValid($app);
        log_info('カート削除処理開始', array('product_class_id' => $productClassId));
        // FRONT_CART_REMOVE_INITIALIZE
        $event = new EventArgs(array('productClassId' => $productClassId), $request);
        $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_REMOVE_INITIALIZE, $event);
        $productClassId = $event->getArgument('productClassId');
        $app['eccube.service.cart']->removeProduct($productClassId)->save();
        log_info('カート削除処理完了', array('product_class_id' => $productClassId));
        // FRONT_CART_REMOVE_COMPLETE
        $event = new EventArgs(array('productClassId' => $productClassId), $request);
        $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_REMOVE_COMPLETE, $event);
        if ($event->hasResponse()) {
            return $event->getResponse();
        }
        return $app->redirect($app->url('cart'));
    }