$container = new ContainerBuilder();
+$container->setParameter('env(FOO)', 'Bar\FaooClass');
+$container->setParameter('foo', '%env(FOO)%');
+
$container
- ->register('service_from_anonymous_factory', 'Bar\FooClass')
- ->setFactory(array(new Definition('Bar\FooClass'), 'getInstance'))
+ ->register('service_from_anonymous_factory', '%foo%')
+ ->setFactory(array(new Definition('%foo%'), 'getInstance'))
->setPublic(true)
;