How to essentially set the id to the field with the link instead of initializing the whole class?

Question

symfony

The database is being migrated, and if each class is initialized, this will greatly affect the speed of the work. What are the possibilities of turning this code:

$user  = $em->getRepository('AppBundle:User')->find($o['id_user']);
$offer = new Offer();
$offer->setUser($user);

In that:

$offer = new Offer();
$offer->setUser($o['id_user']);

?

Answer 1

doctrine-orm.readthedocs.org/projects/doctrine-orm...