Symfony 3.4 - how to write a Listener so that it is called only when changes are written to the Base?

Question

symfony

Hello everyone,

how to write a Listener correctly so that it is called only when changes are written to the Base.

It is necessary to intercept and change, but only when Update occurs in the database.
not at Insert

Answer 1

https://www.doctrine-project.org/projects/doctrine...