choice field symfony "Notice: Array to string conversion "

Question

Trying to validate a choice field (multiple checkboxes) Im having this problem:

"Notice: Array to string conversion "

My validation file looks like this one:

Cgboard\AppBundle\Forms\UploadImageEntity:
  properties:
    image:
          ... 
    cgnetworks:
      - Choice:
          choices: [flickr, tumblr]  //<--- this is giving me problems!!!

My form entity class (Im not going to save this to db for now):

class UploadImageEntity {
    public $image;
    public $cgnetworks;
}

And my form class:

class UploadImageForm extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->add('image', 'file')
            ->add('cgnetworks', 'choice', [
                    'choices'  => $this->getCgNetworks(),
                    'multiple' => TRUE,
                    'expanded' => TRUE
                ]
            );
    }

    public function getCgNetworks()
    {
        return [
        'tumblr' => 'Tumblr',
        'flickr' => 'Flickr'
        ];
    } 

}

Any idea?

It looks like you have a two dimensional array there, with 'Choice' being the index for the first key, and 'choices' being the second. — Lighthart
– Lighthart, Commented May 28, 2014 at 0:06
yes, but in the doc seems to be fine... symfony.com/doc/current/reference/forms/types/choice.html — Francisco Albert
– Francisco Albert, Commented May 28, 2014 at 0:10
Best guess: github.com/symfony/symfony/issues/7759. This might also be useful: stackoverflow.com/questions/17314996/… — Lighthart
– Lighthart, Commented May 28, 2014 at 0:17
I already read that, thanks anyway, but they use the entity trying to save in the db, I don't want to save anything for now, just validate it — Francisco Albert
– Francisco Albert, Commented May 28, 2014 at 0:20

Derick F · Accepted Answer · 2014-05-28 04:28:37Z

3

perhaps you need to specify multiple in your validation

cgnetworks:
  - Choice:
      choices: [flickr, tumblr]  //<--- this is giving me problems!!!
      multiple: true

answered May 28, 2014 at 4:28

Derick F

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Comments

Dapter20 · Accepted Answer · 2015-01-05 10:54:23Z

0

Check your Entity field getter. If you have something else instead of

public function getValue(){
      return $this->value;
}

You can reach this error.

Form builder uses get and set entity methods, that's why you need to return an allowable value.

answered Jan 5, 2015 at 10:54

Dapter20

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