Get Symfony form data with unmapped fields

Question

I have a Symfony form, some fields are from entity, some not (unmapped).

I need to get full form data with those unmapped fields. I know there is a way to get those one-by-one (eg $form['unmapped']) but is there more intelligent way?

viewData is not it - does not contain unmapped fields
extraData - comment in code: "The submitted values that don't belong to any children."

Some would argue the "more intelligent way" would be to utilize DTO's. Though this is old, it is still helpful: symfonycasts.com/screencast/symfony-forms/form-dto — craigh
– craigh, Commented May 3 at 15:09

Arek PHP · Accepted Answer · 2025-05-04 11:23:12Z

I don't think there is a simple method in form object.

You can get them like this:

$extraFields = array_diff_key( $form->all(), get_object_vars($form->getData()) // or just $form->getData() ); $unmappedData = array_map(fn ($field) => $field->getData(), $extraFields);

This is simpler, no? $data = array_map(fn ($v) => $v->getData(), $form->all());. Or why array_diff_key is needed? I need full form data - both mapped and unmapped.

JohnSmith · Accepted Answer · 2025-05-05 07:57:03Z

Seems there is no method for this.

I needed to iterate over all form fields and get their data:

$data = array_map(fn ($v) => $v->getData(), $form->all());

If you have nested forms, then something along those lines (untested):

$data = array_map(function ($field) { if ($field->getConfig()->getCompound()) { $fieldsData = ... // call recursively return $fieldsData; } return $field->getData(); }, $form->all());

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