{% for messageType in ['danger', 'success', 'warning', 'info'] %} {% for flashMessage in app.session.flashbag.get(messageType) %} {% if flashMessage != '' %} <div class="alert alert-{{ messageType }}" role="alert"> {{ flashMessage|raw }} <button type="button" class="close" data-dismiss="alert" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> {% endif %} {% endfor %}{% endfor %}