For a nice example of how this works to populate a list box dynamically, see this URL:
http://www.fooassociates.com/phpfer/html/rn20re282.html(PHP 4 >= 4.0.2, PHP 5 < 5.3.0, PECL fdf SVN)
fdf_set_opt — Sets an option of a field
$fdf_document,$fieldname,$element,$str1,$str2Sets options of the given field.
fdf_documentThe FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
fieldnameName of the FDF field, as a string.
element
str1
str2
For a nice example of how this works to populate a list box dynamically, see this URL:
http://www.fooassociates.com/phpfer/html/rn20re282.html