Description
string
fdf_get_version ( [resource fdf_document] )
This function will return the fdf version for the given
fdf_document, or the toolkit API
version number if no parameter is given.
For the current FDF toolkit 5.0 the API version number is '5.0'
and the document version number is either '1.2', '1.3' or '1.4'.
See also fdf_set_version().
