(PHP 5, PHP 7, PHP 8)
DOMNamedNodeMap::getNamedItem — Retrieves a node specified by name
Retrieves a node specified by its nodeName
.
qualifiedName
The nodeName
of the node to retrieve.
A node (of any type) with the specified nodeName
, or
null
if no node is found.
示例 #1 Getting an attribute on a node
<?php
$doc = new DOMDocument;
$doc->load('book.xml');
$id = $doc->firstChild->attributes->getNamedItem('id');
?>
示例 #2 Accessing attribute with array syntax
<?php
$id = $doc->firstChild->attributes['id'];
?>