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DOMDocument->xinclude()

Substitutes XIncludes in a DOMDocument Object ()

DOMDocument {
  int xinclude(int options);
}

This method substitutes » XIncludes in a DOMDocument object.

Note:

Due to libxml2 automatically resolving entities, this method will produce unexpected results if the included XML file have an attached DTD.

Parameters

options

libxml parameters. Available since PHP 5.1.0 and Libxml 2.6.7.

Return Values

Returns the number of XIncludes in the document.

Examples

Example 532. DOMDocument->xinclude() example

<?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();

?>

The above example will output something similar to:

<?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>