/**
* {@inheritdoc}
*/
public function createListFromChoices($choices, $value = null)
{
if ($choices instanceof \Traversable) {
$choices = iterator_to_array($choices);
}
// The value is not validated on purpose. The decorated factory may
// decide which values to accept and which not.
// We ignore the choice groups for caching. If two choice lists are
// requested with the same choices, but a different grouping, the same
// choice list is returned.
DefaultChoiceListFactory::flatten($choices, $flatChoices);
$hash = self::generateHash(array($flatChoices, $value), 'fromChoices');
if (!isset($this->lists[$hash])) {
$this->lists[$hash] = $this->decoratedFactory->createListFromChoices($choices, $value);
}
return $this->lists[$hash];
}
