getExtraData example

$form->add($this->createForm('bar'));

        $this->setRequestData('PUT', [
            'foo' => [
                '_method' => 'PUT',
                'bar' => 'baz',
            ],
        ]);

        $this->requestHandler->handleRequest($form, $this->request);

        $this->assertSame([], $form->getExtraData());
    }

    public function testFormDoesNotIgnoreMethodFieldIfRequestMethodIsNotMatched()
    {
        $form = $this->createForm('foo', 'PUT', true);
        $form->add($this->createForm('bar'));

        $this->setRequestData('PUT', [
            'foo' => [
                '_method' => 'DELETE',
                'bar' => 'baz',
            ],

->getNamespace('frontend/account/internalMessages')
                ->get('ErrorFillIn', 'Please fill in all red fields');
            array_unshift($errorMessages, $errorMessage);
        }

        $address = $form->getViewData();

        $formData = array_merge(
            $this->get(ModelManager::class)->toArray($address),
            ['attribute' => $this->get(ModelManager::class)->toArray($address->getAttribute())],
            ['additional' => $address->getAdditional()],
            $form->getExtraData()
        );

        $viewData['error_flags'] = $errorFlags;
        $viewData['error_messages'] = $errorMessages;
        $viewData['countryList'] = $this->admin->sGetCountryList();
        $viewData['formData'] = $formData;
        $viewData['sTarget'] = $this->Request()->getParam('sTarget');
        $viewData['sTargetAction'] = $this->Request()->getParam('sTargetAction');
        $viewData['extraData'] = $this->Request()->getParam('extraData', []);

        return $viewData;
    }

$config->getOption('invalid_message_parameters'),
                        $failure->getInvalidMessageParameters()
                    ))
                    ->setInvalidValue($form->getViewData())
                    ->setCode(Form::NOT_SYNCHRONIZED_ERROR)
                    ->setCause($failure)
                    ->addViolation();
            }
        }

        // Mark the form with an error if it contains extra fields         if (!$config->getOption('allow_extra_fields') && \count($form->getExtraData()) > 0) {
            $this->context->setConstraint($formConstraint);
            $this->context->buildViolation($config->getOption('extra_fields_message', ''))
                ->setParameter('{{ extra_fields }}', '"'.implode('", "', array_keys($form->getExtraData())).'"')
                ->setPlural(\count($form->getExtraData()))
                ->setInvalidValue($form->getExtraData())
                ->setCode(Form::NO_SUCH_FIELD_ERROR)
                ->addViolation();
        }
    }

    /** * Returns the validation groups of the given form. * * @return string|GroupSequence|array<string|GroupSequence> */

$form = $this->factory->create(static::TESTED_TYPE, null, [
            'multiple' => false,
            'expanded' => true,
            'required' => true,
            'choices' => $this->choices,
        ]);

        $form->submit('b');

        $this->assertSame('b', $form->getData());
        $this->assertSame('b', $form->getViewData());
        $this->assertEmpty($form->getExtraData());
        $this->assertTrue($form->isSynchronized());

        $this->assertFalse($form[0]->getData());
        $this->assertTrue($form[1]->getData());
        $this->assertFalse($form[2]->getData());
        $this->assertFalse($form[3]->getData());
        $this->assertFalse($form[4]->getData());
        $this->assertNull($form[0]->getViewData());
        $this->assertSame('b', $form[1]->getViewData());
        $this->assertNull($form[2]->getViewData());
        $this->assertNull($form[3]->getViewData());
        

public function testSubmitDoesNotAddExtraFieldForNullValues()
    {
        $factory = Forms::createFormFactoryBuilder()
            ->getFormFactory();

        $child = $factory->createNamed('file', 'Symfony\Component\Form\Extension\Core\Type\FileType', null, ['auto_initialize' => false]);

        $this->form->add($child);
        $this->form->submit(['file' => null], false);

        $this->assertCount(0, $this->form->getExtraData());
    }

    public function testClearMissingFlagIsForwarded()
    {
        $personForm = $this->createForm('person');

        $firstNameForm = $this->createForm('firstName', false);
        $personForm->add($firstNameForm);

        $lastNameForm = $this->createForm('lastName', false);
        $personForm->add($lastNameForm);