Олег Титаренко

public function actionP($category, $brand, $product) {
        $model = Product::getBolleanProduct($category, $brand, $product);
        if($model['product_id'] && 
                $model['category_id'] && 
                $model['manufacturer_id'] && 
                $product === strtolower($product) && 
                $brand === strtolower($brand) && 
                $category === strtolower($category)) {
           return $this->getProduct($model['product_id'], $category, $brand, $product);
        } else {
            throw new \yii\web\HttpException(404, '404! Товар не найден');
        }
    }