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    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.

    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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