public function getCrumbs($separator = '&raquo;', $startText = false)
    {
        deprecationWarning(
            'HtmlHelper::getCrumbs() is deprecated. ' .
            'Use the BreadcrumbsHelper instead.'
        );

        $crumbs = $this->_prepareCrumbs($startText);
        if (!empty($crumbs)) {
            $out = [];
            foreach ($crumbs as $crumb) {
                if (!empty($crumb[1])) {
                    $out[] = $this->link($crumb[0], $crumb[1], $crumb[2]);
                } else {
                    $out[] = $crumb[0];
                }
            }

            return implode($separator, $out);
        }

        return null;
    }