(PHP 5, PHP 7)
DOMDocument::getElementsByTagNameNS — Searches for all elements with given tag name in specified namespace
public DOMDocument::getElementsByTagNameNS ( string $namespaceURI , string $localName ) : DOMNodeList
Returns a DOMNodeList of all elements with a given local name and a namespace URI.
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.
A new DOMNodeList object containing all the matched elements.
Example #1 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
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https://www.php.net/manual/en/domdocument.getelementsbytagnamens.php