IMP_Maillog_Storage_Base::getChanges PHP Method

    public abstract function getChanges($ts);

 /**
  * Retrieve changes to the maillog since the provided timestamp.
  *
  * @param integer $ts  Timestamp.
  *
  * @return array  An array of messages (IMP_Maillog_Message objects)
  *                changed since the provided timestamp.
  */
 public function getChanges($ts)
 {
     return $this->storage->getChanges($ts);
 }