How to write an EventSubscriber in Symfony that would intercept a record in the database?

Question

symfony

Hello everyone,
How to write an EventSubscriber / Listener in Symfony that would intercept a record in the database?
And is it possible somehow to find out which / which field / fields were changed during Update in the database? in the same Subscriber
Thank you so much
PS: Symfony 3.4

Answer 1

Of course you can, you just need to use not the Symfony event listener, but the Doctrine event listener , everything you need is there.