/**
* @static
* @param Date $date1
* @param Date $date2
* @return DateDiff
*/
public static function BetweenDates(Date $date1, Date $date2)
{
if ($date1->Equals($date2)) {
return DateDiff::Null();
}
$compareDate = $date2;
if ($date1->Timezone() != $date2->Timezone()) {
$compareDate = $date2->ToTimezone($date1->Timezone());
}
return new DateDiff($compareDate->Timestamp() - $date1->Timestamp());
}
/**
* @return DateDiff
*/
public function Diff()
{
if ($this->interval != null) {
return $this->interval;
}
return DateDiff::Null();
}
