DOMElement::replaceChildren
(PHP 8 >= 8.3.0)
DOMElement::replaceChildren — Replace children in element
说明
Replaces the children in the element with new nodes.
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
nodeswas 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 DOMElement::replaceChildren() example
Replaces the children with new nodes.
<?php
$doc = new DOMDocument;
$doc->loadXML("<container><hello/></container>");
$container = $doc->documentElement;
$container->replaceWith("beautiful", $doc->createElement("world"));
echo $doc->saveXML();
?>以上示例会输出：
<?xml version="1.0"?> beautiful <world/>
参见
- DOMParentNode::replaceChildren() - Replace children in node
- DOMElement::replaceWith() - Replaces the element with new nodes
- DOMElement::after() - Adds nodes after the element
- DOMElement::before() - Adds nodes before the element
- DOMElement::remove() - Removes the element
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