Symfony2 how to render Checkboxes?

Question

I have a formbuilder form with a multiple choice list of countries. When I render them on my form like this:

{{ form_widget(edit_form.countries) }}
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Answer 1

A lazier way I found to do this was to iterate through the form/choice array.

At its simplest, rendering a form you might do:

{{ form_widget(form) }}

For a little more granularity, you might do:

{{ form_row(form.itemA) }}
{{ form_row(form.itemB) }}
{{ form_row(form.itemC) }}

But if "itemA" is a multi-choice, you're stuck with the entire list getting rendered on the same line. If you're looking for just a little more granularity before you step up to theming, you can do this:

{% for t in form.itemA %}
{{ form_row(t) }}
{% endfor %}

That'll render each checkbox on its own line, or give you an opportunity to do whatever you want between each item.