firefly-iii/resources/views/partials/flashes.twig

{% if Session.has('success') %}
    <div class="alert alert-success alert-dismissible" role="alert">
        <button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">{{ 'close'|_ }}</span></button>
        <strong>Success!</strong> {{ Session.get('success') }}
    </div>
{% endif %}

{% if Session.has('info') %}

    <div class="alert alert-info alert-dismissible" role="alert">
        <button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">{{ 'close'|_ }}</span></button>

        {% if Session.get('info') is iterable and Session.get('info')|length > 1 %}
            <strong>{{ Session.get('info')|length }} messages:</strong>
            <ul class="list-unstyled">
                {% for err in Session.get('info') %}
                    <li>{{ err }}</li>
                {% endfor %}
            </ul>
        {% endif %}
        {% if Session.get('info') is iterable and Session.get('info')|length == 1 %}
            <strong>Message:</strong> {{ Session.get('info')[0]|raw }}
        {% endif %}

        {% if Session.get('info') is not iterable %}
            <strong>Message:</strong> {{ Session.get('info')|raw }}
        {% endif %}

    </div>

{% endif %}

{% if Session.has('warning') %}
    <div class="alert alert-warning alert-dismissible" role="alert">
        <button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">{{ 'close'|_ }}</span></button>
        <strong>Warning!</strong> {{ Session.get('warning') }}
    </div>
{% endif %}

{% if Session.has('error') %}
    <div class="alert alert-danger alert-dismissible" role="alert">
        <button type="button" class="close" data-dismiss="alert"><span aria-hidden="true">&times;</span><span class="sr-only">{{ 'close'|_ }}</span></button>

        {% if Session.get('error') is iterable and Session.get('error')|length > 1 %}
            <strong>{{ Session.get('error')|length }} errors:</strong>
            <ul class="list-unstyled">
                {% for err in Session.get('error') %}
                    <li>{{ err }}</li>
                {% endfor %}
            </ul>
        {% endif %}
        {% if Session.get('error') is iterable and Session.get('error')|length == 1 %}
            <strong>Error!</strong>
            {{ Session.get('error')[0]|raw }}
        {% endif %}

        {% if Session.get('error') is not iterable %}
            <strong>Error!</strong> {{ Session.get('error')|raw }}
        {% endif %}

    </div>
{% endif %}