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# fdf_open

(PHP 3 >= 3.0.6, PHP 4, PHP 5)

fdf_open -- Open a FDF document

## Description

resource fdf_open ( string filename )

The fdf_open() function opens a file with form data. This file must contain the data as returned from a PDF form or created using fdf_create() and fdf_save().

You can process the results of a PDF form POST request by writing the data received in $HTTP_FDF_DATA to a file and open it using fdf_open(). Starting with PHP 4.3 you can also use fdf_open_string() which handles temporary file creation and cleanup for you.

例子 1. Accessing the form data

`<?php // Save the FDF data into a temp file $fdffp = fopen("test.fdf", "w"); fwrite($fdffp, $HTTP_FDF_DATA, strlen($HTTP_FDF_DATA)); fclose($fdffp); // Open temp file and evaluate data $fdf = fdf_open("test.fdf"); /* ... */ fdf_close($fdf); ?>`

See also fdf_open_string(), fdf_close(), fdf_create() and fdf_save().

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