public function getNextCheckDue($schedule, $timezone, $extra_seconds = 0)
    {
        return $this->getNextRunDue($schedule, $timezone)->addMinutes(5)->addSeconds($extra_seconds);
    }
public function getNextCheckDue($schedule, $timezone, $extra_seconds = 0)
    {
        return $this->getNextRunDue($schedule, $timezone)->addMinutes(5)->addSeconds($extra_seconds);
    }
public function getNextCheckDue ( $ schedule , $ timezone , $ extra_seconds = 0 ) { return $ this -> getNextRunDue ( $ schedule , $ timezone ) -> addMinutes ( 5 ) -> addSeconds ( $ extra_seconds ) ; }
Determine when the next check of the scheduler is due.

@param  string  $schedule
@param  string  $timezone
@param  int  $extra_seconds
@return  \Carbon\Carbon
Determine when the next check of the scheduler is due .