/**
* @param array $item
* @param string $from
* @param string $to
* @return array
*/
protected function applyMapping(array $item, $from, $to)
{
if ($from !== $this->nestKey) {
return parent::applyMapping($item, $from, $to);
}
foreach ($item[$this->nestKey] as $key => $nestedItem) {
foreach ($to as $nestedFrom => $nestedTo) {
$nestedItem = parent::applyMapping($nestedItem, $nestedFrom, $nestedTo);
}
$item[$this->nestKey][$key] = $nestedItem;
}
return $item;
}
