Why can't I ask for end date on a period based on recurrences?
I understand I never specified such a property, but it's a really easy calculation... shouldn't it be built in?
(PHP 5 >= 5.6.5, PHP 7)
DatePeriod::getEndDate — Gets the end date
Styl obiektowy
Gets the end date of the period.
Ta funkcja nie posiada parametrów.
Returns NULL
if the DatePeriod does
not have an end date. For example, when initialized with the
recurrences
parameter, or the
isostr
parameter without an
end date.
Returns a DateTimeImmutable object
when the DatePeriod is initialized with a
DateTimeImmutable object
as the end
parameter.
Przykład #1 DatePeriod::getEndDate() example
<?php
$period = new DatePeriod(
new DateTime('2016-05-16T00:00:00Z'),
new DateInterval('P1D'),
new DateTime('2016-05-20T00:00:00Z')
);
$start = $period->getEndDate();
echo $start->format(DateTime::ISO8601);
?>
Powyższe przykłady wyświetlą:
2016-05-20T00:00:00+0000
Przykład #2 DatePeriod::getEndDate() without an end date
<?php
$period = new DatePeriod(
new DateTime('2016-05-16T00:00:00Z'),
new DateInterval('P1D'),
7
);
var_dump($period->getEndDate());
?>
Powyższy przykład wyświetli:
NULL
Why can't I ask for end date on a period based on recurrences?
I understand I never specified such a property, but it's a really easy calculation... shouldn't it be built in?