public static function fdmMultipleTrimmedDateTime($value, $query, $dataRow, $columnAlias)
 {
     $result = array();
     if (is_array($value)) {
         foreach ($value as $v) {
             if (!empty($v)) {
                 try {
                     //try new independent datetime format
                     $v = new Bitrix\Main\Type\DateTime($v, \Bitrix\Main\UserFieldTable::MULTIPLE_DATETIME_FORMAT);
                 } catch (Main\ObjectException $e) {
                     //try site format
                     try {
                         $v = new Bitrix\Main\Type\DateTime($v);
                     } catch (Main\ObjectException $e) {
                         //try short format
                         $v = Bitrix\Main\Type\DateTime::createFromUserTime($v);
                     }
                 }
                 $result[] = $v;
             }
         }
     }
     return $result;
 }
 public static function ConvertToDB($arProperty, $value)
 {
     if (strlen($value["VALUE"]) > 0) {
         try {
             $time = Bitrix\Main\Type\DateTime::createFromUserTime($value['VALUE']);
             $value['VALUE'] = $time->format("Y-m-d H:i:s");
         } catch (Bitrix\Main\ObjectException $e) {
         }
     }
     return $value;
 }