1. class
  2. Symfony
  3. \
  4. Component
  5. \
  6. Form
  7. \
  8. ChoiceList
  9. \
  10. Loader
  11. \
  12. IntlCallbackChoiceLoader

IntlCallbackChoiceLoader

class IntlCallbackChoiceLoader extends CallbackChoiceLoader

Callback choice loader optimized for Intl choice types.

Methods

__construct(callable $callback)

No description

from CallbackChoiceLoader
ChoiceListInterface
loadChoiceList(callable|null $value = null)

Loads a list of choices.

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

Loads the choices corresponding to the given values.

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

Loads the values corresponding to the given choices.

Details

__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