class CollectionToArrayTransformer implements

interface EntityLoaderInterface Custom loader for entities in the choice list.

array getChoices() Returns the list of entities.

array getPreferredViews() Returns the choice views of the preferred choices as nested array with

mixed reverseTransform(mixed $array) Transforms choice keys into entities.

array getValuesForChoices(array $entities) Returns the values corresponding to the given entities

array getIndicesForChoices(array $entities) deprecated

class EntityType extends

array getRemainingViews() Returns the choice views of the choices that are not preferred as nested

array getChoicesForValues(array $values) Returns the entities corresponding to the given values