Nested braces in twig (symfony)

Question

I am trying to set a data- attribute for a save button, but it doesn't like the nested braces. I'm getting an error on the "###THIS LINE" line.

 {% for file in payment.files %}
     <br>
     <li>
         ...
         ... etc...
         ... 
         {{ form_widget(file.save, {'attr':{'data-file-id': {{ file.id}} } }) }} ###THIS LINE

     </li>
{% endfor %}

The error I am getting is: A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "punctuation" of value "{".

I guess it doesn't like the nested braces.

Any help is greatly appreciated.

Try this: {{ form_widget(file.save, {'attr':{'data-file-id': file.id } }) }} (you are already in a twig statement when you add file.id as parameter) — YaatSuka
– YaatSuka, Commented Oct 5, 2017 at 22:31
Hi YaatSuka, that gives this error: An exception has been thrown during the rendering of a template ("Catchable Fatal Error: Object of class Symfony\Component\Form\FormView could not be converted to string"). — Brent Heigold
– Brent Heigold, Commented Oct 5, 2017 at 22:33

YaatSuka · Accepted Answer · 2017-10-05 22:40:49Z

0

Try to convert file.id into string:

{{ form_widget(file.save, {'attr':{'data-file-id': file.id.__toString } }) }}

answered Oct 5, 2017 at 22:40

YaatSuka

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2 Comments

Brent Heigold Over a year ago

That gives me this: Neither the property "__toString" nor one of the methods "__toString()", "get__toString()"/"is__toString()"/"has__toString()" or "__call()" exist and have public access in class "Symfony\Component\Form\FormView".

YaatSuka Over a year ago

Then: {{ form_widget(file.save, {'attr':{'data-file-id': "%d"|format(file.id)} }) }}

Imanali Mamadiev · Accepted Answer · 2017-10-06 04:39:02Z

0

Just try it:

{{ form_widget(file.save, {'attr':{'data-file-id': file.id } }) }}

answered Oct 6, 2017 at 4:39

Imanali Mamadiev

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Comments

PaulELI · Accepted Answer · 2017-10-06 01:31:16Z

-2

Try:

{{ form_widget(file.save, {'attr': {'data-file-id': file.id|string } }) }}

edited Oct 6, 2017 at 1:31

answered Oct 5, 2017 at 22:40

PaulELI

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2 Comments

Brent Heigold Over a year ago

Then I just get the same error, but on that line

PaulELI Over a year ago

Based on the example documentation: {# render a widget, but add a "foo" class to it #} {{ form_widget(form.name, { 'attr': {'class': 'foo'} }) }}

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