private static function getRestActivityData() { if (!isset(static::$restActivityData[static::REST_ACTIVITY_ID])) { $result = RestActivityTable::getById(static::REST_ACTIVITY_ID); $row = $result->fetch(); static::$restActivityData[static::REST_ACTIVITY_ID] = $row ? $row : array(); } return static::$restActivityData[static::REST_ACTIVITY_ID]; }