return new Mysqli(env, host, userName, password, dbname, port, socket);
return new Mysqli(env, host, userName, password, dbname, port, socket, null, null);
  public static Mysqli mysqli_connect(Env env,				      @Optional("localhost") String host,				      @Optional String userName,				      @Optional String password,				      @Optional String dbname,				      @Optional("3306") int port,				      @Optional String socket)    throws IllegalStateException  {    return new Mysqli(env, host, userName, password, dbname, port, socket);  }