BazClass Bar\FooClass bar foo foo is %foo% %foo% true bar foo is %foo% %foo% foo %foo_bar% %path%foo.php service("foo").foo() ~ (container.hasParameter("foo") ? parameter("foo") : "default") pub bar The "%service_id%" service is deprecated. You should stop using it, as it will be removed in the future. bar bar foo The "%service_id%" service is deprecated. You should stop using it, as it will be removed in the future.