Postgres::formatType PHP Method

    function formatType($typname, $typmod)
    {
        // This is a specific constant in the 7.0 source
        $varhdrsz = 4;
        // If the first character is an underscore, it's an array type
        $is_array = false;
        if (substr($typname, 0, 1) == '_') {
            $is_array = true;
            $typname = substr($typname, 1);
        }
        // Show lengths on bpchar and varchar
        if ($typname == 'bpchar') {
            $len = $typmod - $varhdrsz;
            $temp = 'character';
            if ($len > 1) {
                $temp .= "({$len})";
            }
        } elseif ($typname == 'varchar') {
            $temp = 'character varying';
            if ($typmod != -1) {
                $temp .= "(" . ($typmod - $varhdrsz) . ")";
            }
        } elseif ($typname == 'numeric') {
            $temp = 'numeric';
            if ($typmod != -1) {
                $tmp_typmod = $typmod - $varhdrsz;
                $precision = $tmp_typmod >> 16 & 0xffff;
                $scale = $tmp_typmod & 0xffff;
                $temp .= "({$precision}, {$scale})";
            }
        } else {
            $temp = $typname;
        }
        // Add array qualifier if it's an array
        if ($is_array) {
            $temp .= '[]';
        }
        return $temp;
    }