Sonata Admin Bundle One-to-Many relationship not saving foreign ID

Question

I have a problem with the SonataAdminBunle in combination with symfony 2.2. I have a Project entity and a ProjectImage entity and specified a One-to-Many relationship betwee

Answer 1

public function prePersist($user)
{
    $this->preUpdate($user);
}

public function preUpdate($user)
{
    $user->setProperties($user->getProperties());
}

This has perfectly solved the problem for me thanks !