Scalr\Model\Entity\FarmSetting::addOwnerHistory PHP Méthode

    public static function addOwnerHistory(Farm $farm, User $owner, User $user)
    {
        $history = unserialize($farm->settings[self::OWNER_HISTORY]);
        if (!is_array($history)) {
            $history = [];
        }
        $history[] = ['newId' => $owner->id, 'newEmail' => $owner->email, 'changedById' => $user->id, 'changedByEmail' => $user->email, 'dt' => date('Y-m-d H:i:s')];
        $farm->settings[self::OWNER_HISTORY] = serialize($history);
    }

 public function _owner($from, $to, $action)
 {
     switch ($action) {
         case static::ACT_CONVERT_TO_OBJECT:
             /* @var $from Farm */
             $to->owner = ['id' => $from->ownerId];
             break;
         case static::ACT_CONVERT_TO_ENTITY:
             /* @var $to Farm */
             $owner = ApiController::getBareId($from, 'owner');
             if (!isset($owner)) {
                 throw new ApiErrorException(400, ErrorMessage::ERR_INVALID_STRUCTURE, "Missed owner.id property");
             }
             if (!empty($to->ownerId) && $to->ownerId != $owner) {
                 $this->controller->checkPermissions($to, Acl::PERM_FARMS_CHANGE_OWNERSHIP);
                 $user = User::findOne([['id' => $owner], ['accountId' => $this->controller->getUser()->getAccountId()]]);
                 /* @var $user User */
                 if (!$user) {
                     throw new ApiErrorException(404, ErrorMessage::ERR_OBJECT_NOT_FOUND, "Requested User either does not exist or is not owned by current account");
                 }
                 $to->createdByEmail = $user->getEmail();
                 FarmSetting::addOwnerHistory($to, $user, $this->controller->getUser());
             }
             $to->ownerId = $owner;
             break;
         case static::ACT_GET_FILTER_CRITERIA:
             $owner = ApiController::getBareId($from, 'owner');
             return [['ownerId' => $owner]];
             break;
     }
 }