<form action="#" method="post" {{ form_enctype(formUpload) }}>
<ul>
{% for photo in photos %}
    <li>{{ photo }}</li>
    <input type="hidden" name="photo-{{loop.index0}}" value="{{ photo }}">
{% endfor %}
</ul>
{{ form_widget(formUpload.file) }}<input type="submit" name="submit-photo" value="Load">
<br/>
<input type="submit" name="submit-form" />

</form>