$rawTags = trim(end($content));
$tagsHtml = "";

if (str_starts_with($rawTags, "#")) {
    $tagsArray = preg_split('/\s+/', $rawTags);
    foreach ($tagsArray as $tag) {
        $clean = trim($tag, "# ");
        if ($clean === "") continue;
        $tagsHtml .= '<a href="/poetry/tags/' . $clean . '">#' . $clean . '</a> ';
    }
}