# DOMParentNode::replaceChildren

(PHP 8 >= 8.3.0)

DOMParentNode::replaceChildren — Replace children in node

### 说明

public DOMParentNode::replaceChildren(DOMNode|string `...$nodes`): void

Replace children in node.

### 参数

`nodes`

  The nodes replacing the children. Strings are automatically converted to text nodes.

### 返回值

没有返回值。

### 错误／异常

`DOM_HIERARCHY_REQUEST_ERR`

  Raised if this node is of a type that does not allow children of the type of one of the passed `nodes`, or if the node to put in is one of this node's ancestors or this node itself.

`DOM_WRONG_DOCUMENT_ERR`

  Raised if one of the passed `nodes` was created from a different document than the one that created this node.

### 更新日志

版本 | 说明
--- | ---
8.3.0 | Calling this method on a node without an owner document now works. Previously this threw a DOMException with code `DOM_HIERARCHY_REQUEST_ERR`.

### 示例

示例 #1 DOMParentNode::replaceChildren() example

`<?php
$dom = new DOMDocument();
$dom->loadHTML('<!DOCTYPE HTML><html><p>hi</p> test <p>hi2</p></html>');
$dom->documentElement->replaceChildren('foo', $dom->createElement('p'), 'bar');
echo $dom->saveXML();
?>`

以上示例会输出：

    <?xml version="1.0" standalone="yes"?>
    <!DOCTYPE HTML>
    <html>foo<p/>bar</html>

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