DOMNode->removeChild()
(No version information available, might be only in CVS)
DOMNode->removeChild() — Removes child from list of children
说明
DOMNode
DOMNode removeChild
( DOMNode $oldnode
)
This functions removes a child from a list of children.
参数
- oldnode
-
The removed child.
返回值
If the child could be removed the functions returns the old child.
错误／异常
- DOM_NO_MODIFICATION_ALLOWED_ERR
-
Raised if this node is readonly.
- DOM_NOT_FOUND
-
Raised if oldnode is not a child of this node.
范例
The following example will delete the chapter element of our XML document.
Example#1 Removing a child
<?php
$doc = new DOMDocument;
$doc->load('book.xml');
$book = $doc->documentElement;
// we retrieve the chapter and remove it from the book
$chapter = $book->getElementsByTagName('chapter')->item(0);
$oldchapter = $book->removeChild($chapter);
echo $doc->saveXML();
?>
上例将输出：
<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"> <book id="listing"> <title>My lists</title> </book>
CDN