/**
  * get a user's active time entry
  *
  * <code>
  * $api = new HarvestReports();
  *
  * $result = $api->getUsersActiveTimer( 12345 );
  * if( $result->isSuccess() ) {
  *     $activeTimer = $result->data;
  * }
  * </code>
  *
  * @return Harvest_Result
  */
 public function getUsersActiveTimer($user_id)
 {
     $result = $this->getUserEntries($user_id, Harvest_Range::today($this->_timeZone));
     if ($result->isSuccess()) {
         $data = null;
         foreach ($result->data as $entry) {
             if ($entry->timer_started_at != null || $entry->timer_started_at != "") {
                 $data = $entry;
                 break;
             }
         }
         $result->data = $data;
     }
     return $result;
 }