Twitter\Widgets\Buttons\Follow::toArray PHP Method

    public function toArray()
    {
        $data = parent::toArray();
        if (false === $this->show_screen_name) {
            $data['show-screen-name'] = 'false';
        }
        if (false === $this->show_count) {
            $data['show-count'] = 'false';
        }
        if ($this->size && 'medium' !== $this->size) {
            $data['size'] = $this->size;
        }
        return $data;
    }