function _cm_post_getData ($rows, &$where)
// perform custom processing after database record(s) are retrieved.
// NOTE: $where is passed BY REFERENCE so that it may be modified.
{
    // specify which file is to be downloaded
    foreach ($rows as $rownum => $rowdata) {
       	$rows[$rownum]['download_filename'] = $rowdata['picture'];
      	// 'inline' does not give any option to save
        //$rows[$rownum]['download_mode'] = 'inline';
    } // foreach

    return $rows;

} // _cm_post_getData