Nu-Coder Manual

PhpExpress Manual

PHP Joomla
Development

fdf_open	fdf_remove_item

FDF Functions	Last updated: Mon, 26 Oct 2026

fdf_open_string

(PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECL fdf SVN)

fdf_open_string — Read a FDF document from a string

Description

function fdf_open_string(string $fdf_data): resource

Reads form data from a string.

You can use fdf_open_string() together with $HTTP_FDF_DATA to process FDF form input from a remote client.

Parameters

fdf_data: The data as returned from a PDF form or created using fdf_create() and fdf_save_string().

Return Values

Returns a FDF document handle, or false on error.

Examples

Example #1 Accessing the form data

<?php
$fdf = fdf_open_string($HTTP_FDF_DATA);
/* ... */
fdf_close($fdf);
?>

See Also

fdf_open() - Open a FDF document
fdf_close() - Close an FDF document
fdf_create() - Create a new FDF document
fdf_save_string() - Returns the FDF document as a string

fdf_open	fdf_remove_item

FDF Functions	Last updated: Mon, 26 Oct 2026