Open a FDF document

# fdf_open

(PHP 4, PHP 5, PHP 7)

fdf_open — Open a FDF document

### Descrierea

fdf_open ( string `$filename` ) : resource

Opens a file with form data.

You can also use fdf_open_string() to process the results of a PDF form POST request.

### Parametri

`filename`

  Path to the FDF file. This file must contain the data as returned from a PDF form or created using fdf_create() and fdf_save().

### Valorile întoarse

Returns a FDF document handle, or `FALSE` on error.

### Exemple

Example #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);
?>`

### A se vedea și

- fdf_open_string() - Read a FDF document from a string
- fdf_close() - Close an FDF document
- fdf_create() - Create a new FDF document
- fdf_save() - Save a FDF document