DatePeriod::getEndDate()

(PHP 5 >= 5.6.5, PHP 7)

Gets the end date

说明

面向对象风格
publicDatePeriod::getEndDate(void): DateTimeInterface

Gets the end date of the period.

参数

此函数没有参数。

返回值

ReturnsNULLif theDatePerioddoes not have an end date. For example, when initialized with the$recurrencesparameter, or the$isostrparameter without an end date.

Returns aDateTimeImmutableobjectwhen theDatePeriodis initialized with aDateTimeImmutableobjectas the$endparameter.

Returns aDateTimeobjectotherwise.

范例

Example #1DatePeriod::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);
?>

以上例程会输出：

2016-05-20T00:00:00+0000

Example #2DatePeriod::getEndDate()without an end date

<?php
$period = new DatePeriod(
    new DateTime('2016-05-16T00:00:00Z'),
    new DateInterval('P1D'),
    7
);
var_dump($period->getEndDate());
?>

以上例程会输出：

NULL

参见

• DatePeriod::getStartDate() Gets the start date
• DatePeriod::getDateInterval() Gets the interval

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?