Twig - using variable

Question

I want to achive this is twig:

{{ form_widget(form.orderItems.0.enabled) }}
{{ form_widget(form.orderItems.1.enabled) }}
{{ form_widget(form.orderItems.2.enabled) }}

....

but the number to be a variable.

I tried this:

{% set index = 0 %}
{{ form_widget(form.orderItems.index.enabled) }}

Error: Method "index" for object "Symfony\Component\Form\FormView" does not exist

and this:

{{ form_widget(form.orderItems.{{index}}.enabled) }}

Error: Expected name or number

and this:

{{ form_widget(form.orderItems.~index~.enabled) }}
Error: Expected name or number

It is possible to achieve this :(

Have you tried {{ form_widget(form.orderItems.[index].enabled) }} ? Just a theory. — Jez
– Jez, Commented Aug 12, 2013 at 10:14

Community · Accepted Answer · 2017-05-23 12:20:23Z

3

Some digging suggests you use the 'attribute' function - see Accessing array values using array key from Twig.

I suppose that would be something like

form_widget(attribute(form.orderItems, index).enabled)

Unfortunately I can't easily test that at the moment, but it should get you on the right track.

edited May 23, 2017 at 12:20

CommunityBot

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answered Aug 12, 2013 at 10:20

Jez

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Comments

Petr Novotny · Accepted Answer · 2014-04-21 16:49:01Z

1

I am solving the same problem now and getting "expected name or number error" when I want to access variable dynamically. I can not find simple answer, how to dynamically replace some part of variable in twig. But It works without first dot as was first comment here.

{{ form[othervariable value].vars.label }}

and NOT

{{ form.[value].name }}

answered Apr 21, 2014 at 16:49

Petr Novotny

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