662 B
662 B
UPGRADE FROM 3.x to 4.0
DependencyInjection
-
Using unsupported configuration keys in YAML configuration files raises an exception.
-
Using unsupported options to configure service aliases raises an exception.
Form
- The
choices_as_values
option of theChoiceType
has been removed.
Serializer
- The ability to pass a Doctrine
Cache
instance to theClassMetadataFactory
class has been removed. You should use theCacheClassMetadataFactory
class instead.
Yaml
- The
!!php/object
tag to indicate dumped PHP objects was removed in favor of the!php/object
tag.