private static function handleCustomDate($infoType, $productId, $customInfo)
{
$dateFields = FieldConfigService::getDateField($infoType, $productId);
foreach ($customInfo as $key => $value) {
if (in_array($key, $dateFields) && '' == $value) {
$customInfo[$key] = null;
}
}
return $customInfo;
}
