{# This is a template fragment designed to be included in other templates See https://symfony.com/doc/current/book/templating.html#including-other-templates A common practice to better distinguish between templates and fragments is to prefix fragments with an underscore. That's why this template is called '_flash_messages.html.twig' instead of 'flash_messages.html.twig'#}<div class="messages"> {% for type, messages in app.flashes %} {% for message in messages %} {# Bootstrap alert, see http://getbootstrap.com/components/#alerts #} <div class="alert alert-dismissible alert-{{ type }}" role="alert"> <button type="button" class="close" data-dismiss="alert" aria-label="Close"> <span aria-hidden="true">×</span> </button> {{ message|trans }} </div> {% endfor %} {% endfor %}</div>