src/BTR/RedisObjects/RedisSet.php
public function add($member, ...$members): int
    {
        array_unshift($members, $member);

        return $this->redis->sadd($this->key, $this->serializeArray($members));
    }
public function add($member, ...$members): int
    {
        array_unshift($members, $member);

        return $this->redis->sadd($this->key, $this->serializeArray($members));
    }
public function add ( $ member , ... $ members ) : int { array_unshift ( $ members , $ member ) ; return $ this -> redis -> sadd ( $ this -> key , $ this -> serializeArray ( $ members ) ) ; }
@param mixed $member     First member that's added to the list.
@param mixed ...$members More members to add.

@return int Amount of newly added members in set.
@param mixed $member First member that s added to the list . @param mixed ... $members More members to add .