archived-doctrine-website/templates/breadcrumbs.html.twig

<script type="application/ld+json">
{
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {% for breadcrumb in breadcrumbs %}
        {
            "@type": "ListItem",
            "position": {{ loop.index }},
            "name": "{{ breadcrumb.label }}",
            "item": "{{ breadcrumb.url ?? (site.url ~ page.sourceFile.url) }}"
        }{% if not loop.last %},{% endif %}
        {% endfor %}
    ]
}
</script>

<nav class="breadcrumbs d-none d-sm-block d-md-block d-lg-block d-xl-block" aria-label="breadcrumb">
    <ol class="breadcrumb">
        {% for breadcrumb in breadcrumbs %}
            {% if not loop.last %}
                <li class="breadcrumb-item"><a href="{{ breadcrumb.url }}">{{ breadcrumb.label }}</a></li>
            {% else %}
                <li class="breadcrumb-item active" aria-current="page">{{ breadcrumb.label }}</li>
            {% endif %}
        {% endfor %}
    </ol>
</nav>