Php/docs/domdocument.getelementsbytagnamens
DOMDocument::getElementsByTagNameNS
(PHP 5, PHP 7)
DOMDocument::getElementsByTagNameNS — Searches for all elements with given tag name in specified namespace
说明
public DOMDocument::getElementsByTagNameNS
( string $namespaceURI
, string $localName
) : DOMNodeList
Returns a DOMNodeList of all elements with a given local name and a namespace URI.
参数
namespaceURI- The namespace URI of the elements to match on. The special value
*matches all namespaces. localName- The local name of the elements to match on. The special value
*matches all local names.
范例
Example #1 Get all the XInclude elements
<?php$xml = <<<EOD<?xml version="1.0" ?><chapter xmlns:xi="http://www.w3.org/2001/XInclude%22><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";}?>
以上例程会输出：
local name: include, prefix: xi local name: fallback, prefix: xi
