DateTimeImmutable::setISODate
(PHP 5 >= 5.5.0, PHP 7)
DateTimeImmutable::setISODate — Sets the ISO date
说明
public DateTimeImmutable::setISODate
( int
$year
, int $week
[, int $day = 1
] ) : DateTimeImmutableLike DateTime::setISODate() but works with DateTimeImmutable.