How to check if entity changed in Doctrine 2?

Question

I need to check if a persisted entity has changed and needs to be updated on the database. What I made (and did not work) was the following:

$product = $enti         


        

Answer 1

If you only need to compare old and new state of object then probably this would be simpler:

$originalEntityData = $entityManager->getUnitOfWork()->getOriginalEntityData($entityObject);