Separating regular fields and buttons rendering in a Symfony/Twig form. (from Symfony 2.3)

form.html.twig

{% macro form_fields(form) %}
    {% for field in form %}
        {% if field.vars.block_prefixes[0] != 'button' %}
            {{ form_row(field) }}
        {% endif %}
    {% endfor %}
{% endmacro %}

{% import _self as macros %}

<form class="form-horizontal" method="post" action="{{ path('foo_bar') }}" {{ form_enctype(form) }}>
    {{ macros.form_fields(form) }}
    
    <div class="form-actions">
        <p>
            {{ form_widget(form.submit) }}
        </p>
    </div>
    
    {{ form_rest(form) }}
</form>