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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<refentry id="function.fdf-get-attachment">
<refnamediv>
<refname>fdf_get_attachment</refname>
<refpurpose>Extracts uploaded file embedded in the FDF</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>array</type><methodname>fdf_get_attachment</methodname>
<methodparam><type>resource</type><parameter>fdf_document</parameter></methodparam>
<methodparam><type>string</type><parameter>fieldname</parameter></methodparam>
<methodparam><type>string</type><parameter>savepath</parameter></methodparam>
</methodsynopsis>
<para>
Extracts a file uploaded by means of the "file selection" field
<parameter>fieldname</parameter> and stores it under
<parameter>savepath</parameter>. <parameter>savepath</parameter> may be
the name of a plain file or an existing directory in which the file is to be created
under its original name. Any existing file under the same name will be overwritten.
</para>
<note>
<para>
There seems to be no other way to find out the original filename but to store
the file using a directory as <parameter>savepath</parameter> and check
for the basename it was stored under.
</para>
</note>
<para>
The returned array contains the following fields:
<itemizedlist>
<listitem>
<simpara><parameter>path</parameter> - path were the file got stored</simpara>
<simpara><parameter>size</parameter> - size of the stored file in bytes</simpara>
<simpara><parameter>type</parameter> - mimetype if given in the FDF</simpara>
</listitem>
</itemizedlist>
</para>
<para>
<example>
<title>Storing an uploaded file</title>
<programlisting role="php">
<![CDATA[
<?php
$fdf = fdf_open_string($HTTP_FDF_DATA);
$data = fdf_get_attachment($fdf, "filename", "/tmpdir");
echo "The uploaded file is stored in $data[path]";
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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