Craft\SeomaticService::renderBreadcrumbs PHP Method

    public function renderBreadcrumbs($metaVars, $locale, $isPreview = false)
    {
        $htmlText = "";
        if (!empty($metaVars['seomaticMeta']['breadcrumbs'])) {
            $this->sanitizeMetaVars($metaVars);
            $crumbsJSON = $this->getBreadcrumbsJSONLD($metaVars['seomaticMeta']['breadcrumbs']);
            $this->sanitizeArray($crumbsJSON);
            $htmlText = $this->renderJSONLD($crumbsJSON, $isPreview);
        }
        return $htmlText;
    }