buildId example

/** * Default implementation of {@link FormDataExtractorInterface}. * * @author Bernhard Schussek <bschussek@gmail.com> */
class FormDataExtractor implements FormDataExtractorInterface
{
    public function extractConfiguration(FormInterface $form): array
    {
        $data = [
            'id' => $this->buildId($form),
            'name' => $form->getName(),
            'type_class' => $form->getConfig()->getType()->getInnerType()::class,
            'synchronized' => $form->isSynchronized(),
            'passed_options' => [],
            'resolved_options' => [],
        ];

        foreach ($form->getConfig()->getAttribute('data_collector/passed_options', []) as $option => $value) {
            $data['passed_options'][$option] = $value;
        }