fewbricks\bricks\project_brick::demo_get_headline_html PHP Method

    protected function demo_get_headline_html($data_key, $value = false)
    {
        $this->demo_set_headline_tag();
        $headline = $value !== false ? $value : $this->get_field($data_key);
        $html = '';
        if (!empty($headline)) {
            $html .= '<' . self::$headline_tag . '>' . $headline . '</' . self::$headline_tag . '>';
        }
        return $html;
    }