fdf_set_optDescriptionSets the value of one element in a field's /Opt key. If the field doesn't exist in the FDF, it's created. If it exists, and already has an /Opt array, the requested element in the array is replaced. ExampleExample 288. Build list-box values for the "MyListBox" field // create the FDF $outfdf = fdf_create(); // set a dafault value fdf_set_value($outfdf, "volume", $volume, 0); // set a list of dropbox options for a field named 'MyListBox' // in this case a list of languages fdf_set_opt($fdf, "MyListBox", 0, "X", "Please choose your language option"); fdf_set_opt($fdf, "MyListBox", 1, "E", "English"); fdf_set_opt($fdf, "MyListBox", 2, "S", "Spanish"); fdf_set_opt($fdf, "MyListBox", 3, "G", "German"); fdf_set_opt($fdf, "MyListBox", 4, "F", "French"); // save and display FDF file fdf_set_file($outfdf, "http://testserver/testfdf/results.pdf"); fdf_save($outfdf, "outtest.fdf"); fdf_close($outfdf); Header("Content-type: application/vnd.fdf"); $fp = fopen("outtest.fdf", "r"); fpassthru($fp); unlink("outtest.fdf");
PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing
(Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch).
This material may be distributed only subject to the terms and conditions set forth
in the Open Publication License, v1.0 or later (the latest version is presently available at
http://www.opencontent.org/openpub/).
The authors of this book have elected not to choose any options under the OPL. This online book was obtained
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