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DOMDocument->getElementsByTagNameNS()

Searches for all elements with given tag name in specified namespace ()

DOMDocument {
  DOMNodeList getElementsByTagNameNS(string namespaceURI,
                                     string localName);

}

Returns a DOMNodeList of all elements with a given local name and a namespace URI.

Parameters

namespaceURI

The namespace URI of the elements to match on. The special value * matches all namespaces.

localName

The local name of the elements to match on. The special value * matches all local names.

Return Values

A new DOMNodeList object containing all the matched elements.

Examples

Example 520. Get all the XInclude elements

<?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>
<include>
 This is another namespace
</include>
</para>
</chapter>
EOD;
$dom = new DOMDocument;

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

foreach (
$dom->getElementsByTagNameNS('http://www.w3.org/2001/XInclude', '*') as $element) {
   echo
'local name: ', $element->localName, ', prefix: ', $element->prefix, "\n";
}
?>

The above example will output:

local name: include, prefix: xi
local name: fallback, prefix: xi