code: public function mset($key0, $value0)
      {
          $n = func_num_args();
          if ($n & 1) {
              throw new Exception('ERR wrong number of arguments for \'mset\' command');
          }
  
          $args = func_get_args();
          for ($i = 0; $i < $n; $i += 2) {
              $this->storage->setString($args[$i], $args[$i + 1]);
          }
  
          return true;
      }
docs: StatusReply