What happen if inject too many services in a service ??? memory perpective?

Question

I have a service where I inject too many services (10-15) in Symfony framework (I don't think so framework matter).

• I know it will have an impact on performance but want to answer in detail how ???
• What happens behind the scene, means memory perspective. ???

Answer 1

There are multiple service injection types and they all come with advantages/disadvantages. If you're talking about optional dependencies, setter injection could be an approach.