Roe Web Builder Pre-Existing array merge code

function gen_collectorcard( $about = array() )
{
    $return = '';

    $default = default_stats();

    foreach( $default as $major => $intermediate )
    {
        if( !isset( $about[ $major ] ) )
        {
            $about[ $major ] = $default[ $major ];
        }

        $return .='<td style="vertical-align:top;text-align:center;"><table>';
        $return .= '<tr><td colspan="3" style="vertical-align:middle;text-align:center;">'. longhand_stat( $major ). '</td></tr>';
        foreach( $intermediate as $minor => $value )
        {
            if( !isset( $about[ $major ][ $minor ] ) )
            {
                $about[ $major ][ $minor ] = floatval( $value );
            }


            $return .= '<tr><td colspan="1" style="vertical-align:middle;text-align:center;">'.  longhand_stat( $minor ). '</td><td style="vertical-align:middle;text-align:right;">'. floatval( $about[ $major ][ $minor ] ). '</td></tr>';
        }
        $return .='</table></td>';
    }
    $return = '<table style="vetical-align:top;text-align:left;"><tr>'.$return.'</tr></table>';
    return $return;
}