(is_object($this->impliedWarranty) && $this->impliedWarranty->id ? $this->impliedWarranty : null), 'returnPolicy' => (is_object($this->returnPolicy) && $this->returnPolicy->id ? $this->returnPolicy : null), 'warranty' => (is_object($this->warranty) && $this->warranty->id ? $this->warranty : null) ]; } }