What should be avoided?

Question

symfony

I once read that annotations greatly slow down the application. is it true?
and what should be feared when writing code in symphony?
what and in favor of what should be abandoned if the task is to write a productive web application?

Answer 1

I once read that annotations greatly slow down the application. is it true?

No.
Incorrect understanding of business tasks.

what and in favor of what should be abandoned if the task is to write a productive web application?

Performance is the goal of architecture.

Answer 2

I once read that annotations greatly slow down the application. is it true?

No. They are cached just like YAML and XML. Moreover, they are recommended in Symfony Best Practices . I recommend reading it in its entirety .

and what should be feared when writing code in symphony?
what and in favor of what should be abandoned if the task is to write a productive web application?

Too abstract questions, sorry.