__construct(ObjectManager $manager, string $class, IdReader $idReader = null, EntityLoaderInterface $objectLoader = null)

Creates a new choice loader.

Optionally, an implementation of {@link EntityLoaderInterface} can be passed which optimizes the object loading for one of the Doctrine mapper implementations.

Parameters

ObjectManager	$manager	The object manager
string	$class	The class name of the loaded objects
IdReader	$idReader	The reader for the object IDs
EntityLoaderInterface	$objectLoader	The objects loader

ChoiceListInterface loadChoiceList(callable|null $value = null)

Loads a list of choices.

Optionally, a callable can be passed for generating the choice values. The callable receives the choice as first and the array key as the second argument.

Parameters

callable|null

$value

The callable which generates the values from choices

Return Value

ChoiceListInterface

The loaded choice list

string[] loadValuesForChoices(array $choices, callable|null $value = null)

Loads the values corresponding to the given choices.

The values are returned with the same keys and in the same order as the corresponding choices in the given array.

Optionally, a callable can be passed for generating the choice values. The callable receives the choice as first and the array key as the second argument.

Parameters

array	$choices	An array of choices. Non-existing choices in this array are ignored
callable|null	$value	The callable generating the choice values

Return Value

string[]

An array of choice values

array loadChoicesForValues(array $values, callable|null $value = null)

Loads the choices corresponding to the given values.

The choices are returned with the same keys and in the same order as the corresponding values in the given array.

Optionally, a callable can be passed for generating the choice values. The callable receives the choice as first and the array key as the second argument.

Parameters

array	$values	An array of choice values. Non-existing values in this array are ignored
callable|null	$value	The callable generating the choice values

Return Value

array

An array of choices