class CallbackChoiceLoader implements ChoiceLoaderInterface

Loads an {@link ArrayChoiceList} instance from a callable returning an array of choices.

Methods

__construct(callable $callback)

No description

loadChoiceList(null|callable $value = null)

Loads a list of choices.

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

Loads the choices corresponding to the given values.

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

Loads the values corresponding to the given choices.

Details

at line line 35
__construct(callable $callback)

Parameters

callable $callback The callable returning an array of choices

at line line 43
ChoiceListInterface loadChoiceList(null|callable $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

null|callable $value The callable which generates the values from choices

Return Value

ChoiceListInterface The loaded choice list

at line line 55
array loadChoicesForValues(array $values, null|callable $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
null|callable $value The callable generating the choice values

Return Value

array An array of choices

at line line 68
string[] loadValuesForChoices(array $choices, null|callable $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
null|callable $value The callable generating the choice values

Return Value

string[] An array of choice values