DateTimeImmutable
PHP Manual

DateTimeImmutable::setTime

(PHP 5 >= 5.5.0, PHP 7)

DateTimeImmutable::setTimeSets the time

说明

public DateTimeImmutable DateTimeImmutable::setTime ( int $hour , int $minute [, int $second = 0 [, int $microseconds = 0 ]] )

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


DateTimeImmutable
PHP Manual