bool fdf_set_opt    ( resource $fdf_document   , string $fieldname   , int $element   , string $str1   , string $str2   )

fdf_set_optSets an option of a field

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.

element

str1

str2