class ChoiceToBooleanArrayTransformer implements DataTransformerInterface
deprecated
since version 2.7, to be removed in 3.0. Use {@link \Symfony\Component\Form\ChoiceList\LazyChoiceList} instead.
Methods
__construct(ChoiceListInterface $choiceList, bool $placeholderPresent) Constructor. | ||
mixed | transform(mixed $choice) Transforms a single choice to a format appropriate for the nested checkboxes/radio buttons. | |
mixed | reverseTransform(array $values) Transforms a checkbox/radio button array to a single choice. |
Details
__construct(ChoiceListInterface $choiceList, bool $placeholderPresent)
Constructor.
mixed transform(mixed $choice)
Transforms a single choice to a format appropriate for the nested checkboxes/radio buttons.
The result is an array with the options as keys and true/false as values, depending on whether a given option is selected. If this field is rendered as select tag, the value is not modified.
mixed reverseTransform(array $values)
Transforms a checkbox/radio button array to a single choice.
The input value is an array with the choices as keys and true/false as values, depending on whether a given choice is selected. The output is the selected choice.
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