class ResultsParser
{
    function generateTrainSchedulesFromArray(array $inputSchedule)
    {
        /*Declare a new array of train schedules.*/
        $trainSchedules = new SplDoublyLinkedList();
        /*Begin loop*/

        $currentTrainStationId = null;
        $lastTrainStationId = null;
        $trainSchedule = null;

        foreach ($inputSchedule as $key => $row) {
            $currentTrainStationId = $row[0];
            print $currentTrainStationId;

            /*While the current station ID is equal to the last station ID and there exists a next element in the array.*/
            if ($currentTrainStationId != $lastTrainStationId) {
                /*If we get here we want to push the results generated below to the array given the ID mismatch
                Then we want to create a new schedules object.*/
                $trainSchedule = new trainSchedule($currentTrainStationId);
                $trainSchedules->push($trainSchedule);
            }

            $stationScheduled = new StationSchedule($row[1], $row[2], $row[3]);
            $trainSchedule->push($stationScheduled);

            $lastTrainStationId = $row[0];
        }

        var_dump($trainSchedules);
        return $trainSchedules;
    }
}