PHP - Manual: DatePeriod::getStartDate
2024-12-21
(PHP 5 >= 5.6.5, PHP 7, PHP 8)
DatePeriod::getStartDate — Gets the start date
此函数没有参数。
Returns a DateTimeImmutable object
when the DatePeriod is initialized with a
DateTimeImmutable object
as the start
parameter.
Returns a DateTime object otherwise.
示例 #1 DatePeriod::getStartDate() example
<?php
$period = new DatePeriod('R7/2016-05-16T00:00:00Z/P1D');
$start = $period->getStartDate();
echo $start->format(DateTime::ISO8601);
?>
以上例程会输出:
2016-05-16T00:00:00+0000
官方地址:https://www.php.net/manual/en/dateperiod.getstartdate.php