{% if app.request.hasPreviousSession %} {% set flashbag = app.session.flashbag.all() %} {% if flashbag|length %} <div id="flash_message" class="container"> {% for type, messages in flashbag %} {% for message in messages %} <div class="alert alert-{{ type }} alert-dismissible fade show" role="alert"> <span class="sr-only">{{ ('alert.' ~ type)|trans() }} : </span>{{ message|raw|nl2br }} <button type="button" class="close" data-dismiss="alert" aria-label="{{ 'btn.close'|trans() }}"> <span aria-hidden="true">×</span> </button> </div> {% endfor %} {% endfor %} </div> {% endif %}{% endif %}