DatePeriod::getStartDate

(PHP 5 >= 5.6.5, PHP 7, PHP 8)

DatePeriod::getStartDate Gets the start date

说明

面向对象风格

public DatePeriod::getStartDate ( ) : DateTimeInterface

Gets the start date of the period.

参数

此函数没有参数。

返回值

Returns a DateTimeImmutable object when the DatePeriod is initialized with a DateTimeImmutable object as the start parameter.

Returns a DateTime object otherwise.

范例

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

参见