public function sadd($key, ...$members)
    {
        $members = $this->prepareArguments('sadd', ...$members);
        $this->init();
        return $this->driver->sadd($key, ...$members);
    }
public function sadd($key, ...$members)
    {
        $members = $this->prepareArguments('sadd', ...$members);
        $this->init();
        return $this->driver->sadd($key, ...$members);
    }
public function sadd ( $ key , ... $ members ) { $ members = $ this -> prepareArguments ( 'sadd' , ... $ members ) ; $ this -> init ( ) ; return $ this -> driver -> sadd ( $ key , ... $ members ) ; }
Add one or more members to a set
@param string $key
@param array $members
@return int number of new members added to set
Add one or more members to a set