DateTimeImmutable::setISODate

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

DateTimeImmutable::setISODateSets the ISO date

说明

public DateTimeImmutable::setISODate(int $year, int $week, int $dayOfWeek = 1): DateTimeImmutable

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