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

    publicDatePeriod::getStartDate(): DateTimeInterface

    Gets the start date of the period.

    参数

    此函数没有参数。

    返回值

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

    Returns a DateTimeobject otherwise.

    示例

    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);
    ?>

    以上示例会输出：

    2016-05-16T00:00:00+0000

    参见

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