(PHP 8 >= 8.3.0)
DOMNode::isEqualNode — Checks that both nodes are equal
otherNodeThe node.
示例 #1 DOMNode::isEqualNode() example
<?php
$dom1 = (new DOMDocument())->createElement('h1', 'Hello World!');
$dom2 = (new DOMDocument())->createElement('h1', 'Hello World!');
var_dump($dom1->isEqualNode($dom2));
?>以上示例会输出：
bool(true)