(PHP 4 >= 4.0.2, PHP 5 < 5.3.0, PECL fdf SVN)
fdf_set_flags — Sets a flag of a field
Sets certain flags of the given 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.
whichFlags
newFlags