fdf_get_version
  Gets version number for FDF API or file 
  
 
 
  Description
  
   string fdf_get_version
    ([ resource $fdf_document
  ] )
  
  
 
  Parameters
  
   
    
     - 
fdf_document
- 
      
       The FDF document handle, returned by fdf_create,
       fdf_open or fdf_open_string.
       
 
 
  Return Values
  
   Returns the version as a string. 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.