Deprecating Service Aliases

Description

It’s possible to deprecate [Symfony Services](Symfony Services) aliases

Syntax

config/services.yaml

services:
# …

app.mailer:
    alias: App\Mail\PhpMailer
    deprecated: ~

Custom error message

config/services.yaml

services:

…

app.mailer:
alias: App\Mail\PhpMailer
deprecated: ‘The “%alias_id%” service alias is deprecated.’