code: public function current()
      {
          $minute      = current( $this->minutes );
          $hour        = current( $this->hours );
          $monthAndDay = current( $this->monthAndDays );
  
          $currentElement = strtotime(
              sprintf(
                  '%d-%s %02d:%02d:00',
                  $this->year + $this->yearOffset, $monthAndDay, $hour, $minute
              )
          );
  
          if ( $currentElement < $this->getCurrentTime() )
          {
              $currentElement = $this->getNextFutureTimestamp();
          }
  
          return $currentElement;
      }
docs: Iterator interface function returning the current element
  
  @return int Current crontimestamp