__construct(callable $callback)

Parameters

callable

$callback

The callable returning an array of choices

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

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

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