DateTimeImmutable
PHP 手册

DateTimeImmutable::setTimezone

(PHP 5 >= 5.5.0)

DateTimeImmutable::setTimezoneSets the time zone

说明

public DateTimeImmutable DateTimeImmutable::setTimezone ( DateTimeZone $timezone )

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


DateTimeImmutable
PHP 手册