fdf_get_encoding
  Get the value of the /Encoding key
  
 
 
  Description
  
   string fdf_get_encoding
    ( resource $fdf_document
   )
  
  
 
  Parameters
  
   
    
     - 
fdf_document
- 
      
       The FDF document handle, returned by fdf_create,
       fdf_open or fdf_open_string.
       
 
 
  Return Values
  
   Returns the encoding as a string. An empty string is returned if the
   default PDFDocEncoding/Unicode scheme is used.