<HTML ><HEAD ><TITLE >fdf_open</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Forms Data Format functions" HREF="ref.fdf.html"><LINK REL="PREVIOUS" TITLE="fdf_open_string" HREF="function.fdf-open-string.html"><LINK REL="NEXT" TITLE="fdf_save_string" HREF="function.fdf-save-string.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.fdf-open-string.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.fdf-save-string.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.fdf-open" ></A >fdf_open</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN27744" ></A ><P > (PHP 3>= 3.0.6, PHP 4 )</P >fdf_open -- Open a FDF document</DIV ><DIV CLASS="refsect1" ><A NAME="AEN27747" ></A ><H2 >Description</H2 >resource <B CLASS="methodname" >fdf_open</B > ( string filename)<BR ></BR ><P > The <B CLASS="function" >fdf_open()</B > function opens a file with form data. This file must contain the data as returned from a PDF form or created using <A HREF="function.fdf-create.html" ><B CLASS="function" >fdf_create()</B ></A > and <A HREF="function.fdf-save.html" ><B CLASS="function" >fdf_save()</B ></A >. </P ><P > You can process the results of a PDF form POST request by writing the data recieved in <TT CLASS="varname" >$HTTP_FDF_DATA</TT > to a file and open it using <B CLASS="function" >fdf_open()</B >. Starting with PHP 4.3 you can also use <A HREF="function.fdf-open-string.html" ><B CLASS="function" >fdf_open_string()</B ></A > which handles temporary file creation and cleanup for you. </P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN27764" ></A ><P ><B >Example 1. Accessing the form data</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="programlisting" ><?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); ?></PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See also <A HREF="function.fdf-open-string.html" ><B CLASS="function" >fdf_open_string()</B ></A >, <A HREF="function.fdf-close.html" ><B CLASS="function" >fdf_close()</B ></A >, <A HREF="function.fdf-create.html" ><B CLASS="function" >fdf_create()</B ></A > and <A HREF="function.fdf-save.html" ><B CLASS="function" >fdf_save()</B ></A >. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.fdf-open-string.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.fdf-save-string.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >fdf_open_string</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.fdf.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >fdf_save_string</TD ></TR ></TABLE ></DIV ></BODY ></HTML >