php-doc-en/reference/fdf/functions/fdf-set-file.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry id="function.fdf-set-file">
 <refnamediv>
  <refname>fdf_set_file</refname>
  <refpurpose>Set PDF document to display FDF data in</refpurpose>
   </refnamediv>
 <refsect1>
  <title>Description</title>
  <methodsynopsis>
   <type>bool</type><methodname>fdf_set_file</methodname>
   <methodparam><type>resource</type><parameter>fdf_document</parameter></methodparam>
   <methodparam><type>string</type><parameter>url</parameter></methodparam>
   <methodparam choice='opt'><type>string</type><parameter>target_frame</parameter></methodparam>
  </methodsynopsis>
  <para>
   The <function>fdf_set_file</function> selects a different PDF
   document to display the form results in then the form it originated
   from. The <parameter>url</parameter> needs to be given as an 
   absolute URL.
  </para>
  <para>
   The frame to display the document in may be selected using the optional 
   parameter <parameter>target_frame</parameter> or the function 
   <function>fdf_set_target_frame</function>.
  </para>
  <example>
   <title>Passing FDF data to a second form</title>
   <programlisting role="php">
<![CDATA[
<?php
  /* set content type for Adobe FDF */
  fdf_header();

  /* start new fdf */
  $fdf = fdf_create();
    
  /* set field "foo" to value "bar" */
  $fdf_set_value($fdf, "foo", "bar");

  /* tell client to display FDF data using "fdf_form.pdf" */
  fdf_set_file($fdf, "http://www.example.com/fdf_form.pdf");

  /* output fdf */
  fdf_save();

  /* clean up */
  fdf_close();
?>
]]>
   </programlisting>
  </example>
  <para>
   See also <function>fdf_get_file</function> and
   <function>fdf_set_target_frame</function>.
  </para>  
 </refsect1>
</refentry>

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