PHP issue

gistfile1.php

// in Controller
$form = $this->createForm(new Type\AnimalAdminType($animal), $animal);
        
// in AnimalAdminType
$builder->add('animal_photos', 'collection', array(
    'type'          => new \Fftdev\RescueBundle\Form\Type\AnimalPhotoAdminType(),
    'allow_add'     => true,
    'allow_delete'  => true,
    'by_reference'  => false,
));

// in AnimalPhotoAdminType
public function setDefaultOptions(OptionsResolverInterface $resolver)
{
    $resolver->setDefaults(array(
        'data_class' => 'Fftdev\RescueBundle\Model\AnimalPhoto',
    ));
}

// in AnimalPhoto
public function postSave(\PropelPDO $con = null) {
  ...
  moves photos and saves name to databse
  ...
}