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PhpDig is a PHP MySQL based
Web Spider & Search Engine.



fdf_set_opt — Sets a value in the opt array for a field.


bool fdf_set_opt(fdfdoc, fieldname, element, value, name);
resource fdfdoc: FDF document identifier
string fieldname: Field name
int element: Element number
string value: Element value
string name: Element name


TRUE on success; FALSE on error


Sets 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.


Existing since version 4.0.2


Example 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");
Header("Content-type: application/vnd.fdf");
$fp = fopen("outtest.fdf", "r");

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 The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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