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

@param int $seconds

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