DateTimeImmutable
PHP 手册

DateTimeImmutable::setTimestamp

(PHP 5 >= 5.5.0)

DateTimeImmutable::setTimestampSets the date and time based on an Unix timestamp

说明

public DateTimeImmutable DateTimeImmutable::setTimestamp ( int $unixtimestamp )

Like DateTime::setTimestamp() but works with DateTimeImmutable.


DateTimeImmutable
PHP 手册