DateTime::setTime

date_time_set

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

DateTime::setTime -- date_time_set — 设置时间

面向对象风格

public DateTime::setTime(
    int $hour,
    int $minute,
    int $second = 0,
    int $microsecond = 0
): DateTime

过程化风格

date_time_set(
    DateTime $object,
    int $hour,
    int $minute,
    int $second = 0,
    int $microsecond = 0
): DateTime

将 DateTime 的当前时间重置为不同的时间。

过程化版本将 DateTime 对象作为第一个参数。

返回方法链修改后的 DateTime 对象。

版本	说明
8.1.0	The behaviour with double existing hours (during the fall-back DST transition) changed. Previously PHP would pick the second occurrence (after the DST transition), instead of the first occurrence (before DST transition).
7.1.0	新增 `microsecond` 参数。

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