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



fdf_get_value — Gets the value of a field as a string.


string fdf_get_value(fdfdoc, fieldname);
resource fdfdoc: FDF document identifier
string fieldname: Field name


Field value; FALSE on error


Returns the value of a field in an FDF document. This is analogous to using the $HTTP_POST_VARS array to determine the contents of a posted HTML form.


Existing since versions 3.0.6 and 4.0


Example 280. Get the values of two fields

// open the FDF for writing
$fdffp = fopen("test.fdf", "w");
fwrite($fdffp, $HTTP_FDF_DATA, strlen($HTTP_FDF_DATA));

// open the form FDF
$fdf = fdf_open("formtest.fdf");

// get the value of the form fields volume and date
echo "Volume: ", fdf_get_value($fdf, "volume"); 
echo "Date: ", fdf_get_value($fdf, "date"); 

Volume: Test volume data
Date: 2001-01-30

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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