php-doc-en/reference/dom/functions/dom-domdocument-xinclude.xml

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.10 $ -->
<refentry id="function.dom-domdocument-xinclude">
 <refnamediv>
  <refname>DOMDocument->xinclude()</refname>
  <refpurpose>
   Substitutes XIncludes in a DOMDocument Object
  </refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <classsynopsis>
   <ooclass><classname>DOMDocument</classname></ooclass>
   <methodsynopsis>
    <type>int</type><methodname>xinclude</methodname>
    <methodparam choice="opt"><type>int</type><parameter>options</parameter></methodparam>
   </methodsynopsis>
  </classsynopsis>
  <para>
   This method substitutes <ulink
   url="&url.xinclude.spec;">XIncludes</ulink> in a DOMDocument object.
  </para>
  <note>
   <para>
    Due to libxml2 automatically resolving entities, this method will produce
    unexpected results if the included XML file have an attached DTD.
   </para>
  </note>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>options</parameter></term>
     <listitem>
      <para>
       <link linkend="libxml.constants">libxml parameters</link>. Available
       since PHP 5.1.0 and Libxml 2.6.7.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the number of XIncludes in the document.
  </para>
 </refsect1>
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>DOMDocument->xinclude() example</title>
    <programlisting role="php">
<![CDATA[
<?php

$xml = <<<EOD
<?xml version="1.0" ?>
<chapter xmlns:xi="http://www.w3.org/2001/XInclude">
 <title>Books of the other guy..</title>
 <para>
  <xi:include href="book.xml">
   <xi:fallback>
    <error>xinclude: book.xml not found</error>
   </xi:fallback>
  </xi:include>
 </para>
</chapter>
EOD;

$dom = new DOMDocument;

// let's have a nice output
$dom->preserveWhiteSpace = false;
$dom->formatOutput = true;

// load the XML string defined above
$dom->loadXML($xml);

// substitute xincludes
$dom->xinclude();

echo $dom->saveXML();

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen role="xml">
<![CDATA[
<?xml version="1.0"?>
<chapter xmlns:xi="http://www.w3.org/2001/XInclude">
  <title>Books of the other guy..</title>
  <para>
    <row xml:base="/home/didou/book.xml">
       <entry>The Grapes of Wrath</entry>
       <entry>John Steinbeck</entry>
       <entry>en</entry>
       <entry>0140186409</entry>
      </row>
    <row xml:base="/home/didou/book.xml">
       <entry>The Pearl</entry>
       <entry>John Steinbeck</entry>
       <entry>en</entry>
       <entry>014017737X</entry>
      </row>
    <row xml:base="/home/didou/book.xml">
       <entry>Samarcande</entry>
       <entry>Amine Maalouf</entry>
       <entry>fr</entry>
       <entry>2253051209</entry>
      </row>
  </para>
</chapter>
]]>
    </screen>
   </example>
  </para>
 </refsect1>
</refentry>

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