code: protected function migrateToTime($time)
      {
          $count = 0;
          $migrations = array_values($this->getMigrationHistory(null));
          while ($count < count($migrations) && $migrations[$count] > $time) {
              ++$count;
          }
          if ($count === 0) {
              $this->stdout("Nothing needs to be done.\n", Console::FG_GREEN);
          } else {
              $this->actionDown($count);
          }
      }
docs: Migrates to the specified apply time in the past.
  @param int $time UNIX timestamp value.