@php echo '<' . '?xml version="1.0" encoding="UTF-8"?' . '>'; @endphp
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
@foreach($types as $type => $lastmod)
    <sitemap>
        <loc>{{ url("/sitemap-{$type}.xml") }}</loc>
        <lastmod>{{ $lastmod }}</lastmod>
    </sitemap>
@endforeach
</sitemapindex>