DOMNode::contains

(PHP 8 >= 8.3.0)

DOMNode::contains — Checks if node contains other node

说明

public DOMNode::contains(DOMNode|DOMNameSpaceNode|null $other): bool

Checks if node contains other node.

参数

other: Node to be checked.

返回值

Returns true if node contains other node, false otherwise.

示例

示例 #1 DOMNode::contains() example

<?php

$dom = new DOMDocument();
$dom->loadXML(<<<XML
<!DOCTYPE HTML>
<html>
   <body>
       <main>
           <p>Hello, world!</p>
       </main>
   </body>
</html>
XML);

$xpath = new DOMXPath($dom);
$main = $xpath->query("//main")[0];

var_dump($dom->documentElement->contains($main));
?>

以上示例会输出：

bool(true)