update : 2015.11.03
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Removes child from list of children
DOMNode
PHP Manual

DOMNode::removeChild

(PHP 5, PHP 7)

DOMNode::removeChild — Removes child from list of children

설명

public DOMNode DOMNode::removeChild ( DOMNode $oldnode )

This functions removes a child from a list of children.

인수

oldnode

The removed child.

반환값

If the child could be removed the function returns the old child.

오류/예외

DOM_NO_MODIFICATION_ALLOWED_ERR

Raised if this node is readonly.

DOM_NOT_FOUND

Raised if oldnode is not a child of this node.

예제

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();
?>

위 예제의 출력:

<?xml version="1.0" encoding="utf-8"?>
<!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>

참고

DOMNode
PHP Manual