Symfony2 form file upload always null

Question

I'm having trouble uploading a file, when I dump the data returned by $form->getData(), the file field is always null. Also, if I do $this->getRequest()->files->all() I get an empty array().

This is the field definition in my form type:

->add('card_file', 'file', array(
                                'label' => 'Examinar',
                                'required' => false,
                                )
)

And this is how I print the field in the .twig file:

<fieldset class="fieldset__upload">

    {{ form_widget(addressForm.card_file) }}

</fieldset>

The tag is created with enctype="multipart/form-data", also, the form isValid() and the file is about 4kb in size, so I don't think is a problem of exceeding file size.

The form is not attached to an entity, and $form->getData() returns all other fields correctly.

Any ideas? Thank you in advance

did you execute $form->submit($request); or $form->handleRequest($request); ? — M. Foti
– M. Foti, Commented Sep 4, 2014 at 9:24

Joel · Accepted Answer · 2021-06-11 11:03:56Z

0

I think I found the problem, it didn't had anything to do with Symfony2.

This form is submitted via AJAX, and I didn't know until now that serialize() doesn't send file data.

That was the problem altogether, I will update the answer with the correct JavaScript code as soon as I can get it to work.

EDIT:

I used the jQuery Form plugin for AJAX for uploading the file:

http://www.malsup.com/jquery/form/

edited Jun 11, 2021 at 11:03

answered Sep 4, 2014 at 9:41

Joel

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