Twig tips

tips.html.twig

{#
title: Combines a loop with a logical if statement 
url: http://symfony.com/doc/current/book/templating.html 
#}
<ul>
    {% for user in users if user.active %}
        <li>{{ user.username }}</li>
    {% else %}
        <li>No users found</li>
    {% endfor %}
</ul>