# fdf_set_version

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

fdf_set_version — Sets version number for a FDF file

### 说明

fdf_set_version ( resource `$fdf_document` , string `$version` ) : bool

Sets the FDF `version` for the given document.

Some features supported by this extension are only available in newer FDF versions.

### 参数

`fdf_document`

  The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().

`version`

  The version number. For the current FDF toolkit 5.0, this may be either 1.2, 1.3 or 1.4.

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 参见

- fdf_get_version() - Gets version number for FDF API or file