yaml "{# constant #} {% macro addConstant(constant) %}" code example

Example: yaml constants

# app/config/services.yml
services:
    app.my_service:
        # ...
        arguments:
            - '@app.other_service'
            - !php/const:AppBundle\Entity\BlogPost::MUM_ITEMS
            - !php/const:Symfony\Component\HttpKernel\Kernel::VERSION