public function initPeriods(array $periods, $type = DateIntervalsConsts::HOURS)
{
$periodsArr = [];
foreach ($periods as &$period) {
$period = (int) $period;
}
$uniquePeriods = array_unique($periods, SORT_NUMERIC);
foreach ($uniquePeriods as $uniquePeriod) {
$periodName = NumbersToWords::numberToNumberName($uniquePeriod);
$name = "period" . ucfirst($periodName);
${$name} = new PeriodData();
switch ($type) {
case DateIntervalsConsts::HOURS:
${$name}->setPeriod(new \DateInterval("PT" . ConvertTime::convertHoursToSeconds($uniquePeriod) . "S"));
break;
}
$periodsArr[] = ${$name};
}
return $periodsArr;
}
protected function calculateResidualPeriod(PeriodData $periodData, \DateInterval $leftover)
{
$currentPeriod = $periodData->getPeriod();
$periodSeconds = ConvertTime::convertIntervalToSeconds($currentPeriod);
$leftoverSeconds = ConvertTime::convertIntervalToSeconds($leftover);
$diff = $periodSeconds - $leftoverSeconds;
if ($diff < 0) {
throw new OccurrencesException("Time is enough, residual period is not required.");
}
return new \DateInterval("PT" . $diff . "S");
}