如何在php中获得最早的日期时间? [英] How do I get the earliest possible datetime in php?

问题描述

我的理解是，php中的日期时间表示为某个日期后的毫秒数(我认为是1960年的某个时间?).我该如何构造一个代表php中最早允许日期的datetime?可能的语法示例为:

My understanding is that datetimes in php are represented as the number of milliseconds after a certain date (some time in 1960 I think?). How to I construct a datetime that represents the earliest allowable date in php? An example possible syntax would be:

$date = new DateTime(0);

但这是行不通的.还有其他方法吗?

but this doesn't work. Is there some other way to do this?

感谢您的任何输入.

推荐答案

您非常接近

$date = (new DateTime())->setTimestamp(0);

将给出1970年1月1日

Will give January 1st, 1970

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