如何从下面的对象获取日期
Google\Cloud\Core\Timestamp Object
(
[value:Google\Cloud\Core\Timestamp:private] => DateTimeImmutable Object
(
[date] => 2020-02-11 05:17:40.679449
[timezone_type] => 2
[timezone] => Z
)
[nanoSeconds:Google\Cloud\Core\Timestamp:private] => 679449000
)
哔哔one