public Value mysql_field_len(@NotNull MysqliResult result,
public Value mysql_field_len(Env env, @NotNull MysqliResult result,
  public Value mysql_field_len(@NotNull MysqliResult result,			       int fieldOffset)    throws Exception  {    if (result == null)      return BooleanValue.FALSE;        return result.fetch_field_length(fieldOffset);  }