(PHP 5, PHP 7, PHP 8)
DOMDocument::xinclude — Substitutes XIncludes in a DOMDocument Object
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.
Returns the number of XIncludes in the document, -1 if some processing failed,
or false
if there were no substitutions.
Example #1 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>