<?xml version="1.0" encoding="iso-8859-1"?>
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<refentry id='function.fdf-add-doc-javascript'>
 <refnamediv>
  <refname>fdf_add_doc_javascript</refname>
  <refpurpose>Adds javascript code to the FDF document</refpurpose>
 </refnamediv>
 <refsect1>
  <title>Description</title>
  <methodsynopsis>
   <type>bool</type><methodname>fdf_add_doc_javascript</methodname>
   <methodparam><type>resource</type><parameter>fdfdoc</parameter></methodparam>
   <methodparam><type>string</type><parameter>script_name</parameter></methodparam>
   <methodparam><type>string</type><parameter>script_code</parameter></methodparam>
  </methodsynopsis>
  <para>
   Adds a script to the FDF, which Acrobat then adds to the doc-level
   scripts of a document, once the FDF is imported into it. It is strongly
   suggested to use '\r' for linebreaks within <parameter>script_code</parameter>.
  </para>
  <para>
   <example>
    <title>Adding JavaScript code to a FDF</title>
    <programlisting role="php">
<![CDATA[
<?php
$fdf = fdf_create();
fdf_add_doc_javascript($fdf, "PlusOne", "function PlusOne(x)\r{\r  return x+1;\r}\r");
fdf_save($fdf);
?>
]]>
    </programlisting>
    <simpara>will create a FDF like this:</simpara>
    <screen>
<![CDATA[
%FDF-1.2
%����
1 0 obj
<< 
/FDF << /JavaScript << /Doc [ (PlusOne)(function PlusOne\(x\)\r{\r  return x+1;\r}\r)] >> >> 
>> 
endobj
trailer
<<
/Root 1 0 R 

>>
%%EOF
]]>
    </screen>
   </example>
  </para>
 </refsect1>
</refentry>

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