src/ZonedDateTime.php
public function plusWeeks(int $weeks) : ZonedDateTime
    {
        return ZonedDateTime::of($this->localDateTime->plusWeeks($weeks), $this->timeZone);
    }
public function plusWeeks(int $weeks) : ZonedDateTime
    {
        return ZonedDateTime::of($this->localDateTime->plusWeeks($weeks), $this->timeZone);
    }
public function plusWeeks ( int $ weeks ) : ZonedDateTime { return ZonedDateTime :: of ( $ this -> localDateTime -> plusWeeks ( $ weeks ) , $ this -> timeZone ) ; }
Returns a copy of this ZonedDateTime with the specified period in weeks added.

@param int $weeks

@return ZonedDateTime
Returns a copy of this ZonedDateTime with the specified period in weeks added .