W3cubDocs

/PHP

Dom\ParentNode::replaceChildren

(PHP 8 >= 8.4.0)

Dom\ParentNode::replaceChildren — Replace children in node

Description

public Dom\ParentNode::replaceChildren(Dom\Node|string ...$nodes): void

Replace children in node.

Parameters

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

Return Values

No value is returned.

Errors/Exceptions

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.

Examples

Example #1 Dom\ParentNode::replaceChildren() example

<?php
$dom = Dom\HTMLDocument::createFromString('<!DOCTYPE HTML><html><p>hi</p> test <p>hi2</p></html>');

$dom->documentElement->replaceChildren('foo', $dom->createElement('p'), 'bar');
echo $dom->saveHtml();
?>

The above example will output:

<!DOCTYPE html><html>foo<p></p>bar</html>

© 1997–2025 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/dom-parentnode.replacechildren.php