(PHP 5, PHP 7, PHP 8)
DOMDocument::getElementsByTagNameNS — Searches for all elements with given tag name in specified namespace
Returns a DOMNodeList of all elements with a given local name and a namespace URI.
namespace
The namespace URI of the elements to match on.
The special value "*"
matches all namespaces.
Passing null
matches the empty namespace.
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.
Version | Description |
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8.0.3 |
namespace is nullable now.
|
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