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.
Parameters array $values An array of values Return Value mixed The value in the original representation Exceptions TransformationFailedException If the given value is not an array, if the recuperation of the choices fail