PHP Manual
FDF 函数
Read a FDF document from a string

fdf_open_string

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

fdf_open_string — Read a FDF document from a string

说明

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.

参数

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

返回值

Returns a FDF document handle, or FALSE on error.

范例

Example #1 Accessing the form data

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

参见

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

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