/**
* Transforms a single choice or an array of choices 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.
*
* @param mixed $value An array if "multiple" is set to true, a scalar
* value otherwise.
* @return mixed An array if "expanded" or "multiple" is set to true,
* a scalar value otherwise.
*/
protected function transform($value)
{
if ($this->getOption('expanded')) {
$value = parent::transform($value);
$choices = $this->getOption('choices');
foreach ($choices as $choice => $_) {
$choices[$choice] = $this->getOption('multiple') ? in_array($choice, (array) $value, true) : $choice === $value;
}
return $choices;
}
return parent::transform($value);
}
/**
* Transforms a single choice or an array of choices 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.
*
* @param mixed $value An array if "multiple" is set to true, a scalar
* value otherwise.
* @return mixed An array if "expanded" or "multiple" is set to true,
* a scalar value otherwise.
*/
protected function transform($value)
{
if ($this->isExpanded()) {
$value = parent::transform($value);
$choices = $this->getChoices();
foreach ($choices as $choice => $_) {
$choices[$choice] = $this->isMultipleChoice() ? in_array($choice, (array) $value, true) : $choice === $value;
}
return $choices;
}
return parent::transform($value);
}
