public function getDateFor($year)
{
$shift = sprintf('%s days', $this->add);
$dateTime = $this->date->getDateFor($year)->toDateTimeObject();
$dateTime->modify($shift);
return new HolidayData($dateTime->format('d'), $dateTime->format('m'), $dateTime->format('Y'));
}
/**
* Calculates one day for provided year
*
* @param Calculable $date
* @param string $name
* @param int $year
* @return $this
*/
protected function calculateDay(Calculable $date, $name, $year)
{
$holidayData = $date->getDateFor($year);
// set holiday name
$holidayData->setName($name);
// add holiday to days collection so we can easier get that holiday by date
$this->days->add($holidayData);
// add holiday to names collection so we can easier get that holiday by name
$this->names->add($holidayData);
return $this;
}