string fdf_next_field_name    ( resource $fdf_document   [, string $fieldname  ] )

fdf_next_field_nameGet the next field name

fdf_document

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

fieldname

Name of the FDF field, as a string. If not given, the first field will be assumed.