mapdev\FacebookMessenger\Components\Card::toArray PHP Метод

    public function toArray()
    {
        //check all buttons for titles!
        return ['title' => MessengerUtils::checkStringLength($this->title, 80), 'item_url' => $this->item_url, 'image_url' => $this->image_url, 'subtitle' => MessengerUtils::checkStringLength($this->subtitle, 80), 'buttons' => MessengerUtils::checkArraySize($this->buttons, 3)];
    }