DatePeriod::getStartDate

(PHP 5 >= 5.6.5, PHP 7)

DatePeriod::getStartDate — Gets the start date

面向对象风格

public DateTimeInterface DatePeriod::getStartDate ( void )

Gets the start date of the period.

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.

Example #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

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