Lorem itpsum

    // Info mit festem Link
    $author_info = '<p class="author-link">Über den Autor: <a href="' . esc_url($author_url) . '">' . esc_html($author_name) . '</a></p>';

    $content .= $author_info;
}
return $content;

}
add_filter(‘the_content’, ‘add_author_link_to_posts’);