# phpman > perldoc > DBM_Filter::int32

## NAME
    [DBM_Filter::int32](https://www.chedong.com/phpMan.php/perldoc/DBMFilter%3A%3Aint32/markdown) - filter for DBM_Filter

## SYNOPSIS
        use SDBM_File; # or DB_File, GDBM_File, NDBM_File, or ODBM_File
        use DBM_Filter ;

        $db = tie %hash, ...
        $db->Filter_Push('int32');

## DESCRIPTION
    This DBM filter is used when interoperating with a C/C++ application that uses a C int as either
    the key and/or value in the DBM file.

## SEE ALSO
    DBM_Filter, perldbmfilter

## AUTHOR
    Paul Marquess <pmqs@cpan.org>