« DateTimeImmutable::setTime DateTimeImmutable::setTimezone » PHP Manual DateTimeImmutable Sets the date and time based on a Unix timestamp DateTimeImmutable::setTimestamp (PHP 5 >= 5.5.0, PHP 7) DateTimeImmutable::setTimestamp — Sets the date and time based on a Unix timestamp 说明 public DateTimeImmutable::setTimestamp ( int $unixtimestamp ) : DateTimeImmutable Like DateTime::setTimestamp() but works with DateTimeImmutable.