DateTimeImmutable::setISODate
PHP 5 >= 5.5.0, PHP 7, PHP 8
DateTimeImmutable::setISODate - Sets the ISO date
Manual
DateTimeImmutable::setISODate(
int$year,
int$week,
[int$dayOfWeek = 1] ): public DateTimeImmutable
Like DateTime::setISODate but works with DateTimeImmutable.