muzich/src/Muzich/CoreBundle/Resources/views/helper/facebookButton.html.twig

{% if url is not defined or url == null %}
    {% set url = app.request.uri %}
{% endif %}

{% spaceless %}
   <div class="fb-like" data-href="{{ url }}" data-send="{{ send }}" data-layout="{{ layout }}" data-width="{{ width }}" data-show-faces="{{ showFaces }}"></div>
{% endspaceless %}