# phpman > perldoc > BSON::Doc

## NAME
    [BSON::Doc](https://www.chedong.com/phpMan.php/perldoc/BSON%3A%3ADoc/markdown) - BSON type wrapper for ordered documents

## VERSION
    version v1.12.2

## SYNOPSIS
        use [BSON::Types](https://www.chedong.com/phpMan.php/perldoc/BSON%3A%3ATypes/markdown) ':all';

        my $ordered = bson_doc( first => 1, second => 2 );

## DESCRIPTION
    This module provides a BSON type wrapper representing a document preserves key-value order. It
    is currently read-only.

## AUTHORS
    *   David Golden <<david@mongodb.com>>

    *   Stefan G. <<minimalist@lavabit.com>>

## COPYRIGHT AND LICENSE
    This software is Copyright (c) 2020 by Stefan G. and MongoDB, Inc.

    This is free software, licensed under:

      The Apache License, Version 2.0, January 2004