<?php
$xmlpatch = 'index.xml';
$_id = '2';
jb51.net$doc = new DOMDocument();
$doc -> formatOutput = true;
if($doc -> load($xmlpatch)) {
$root = $doc -> documentElement;
$elm = $root -> getElementsByTagName('index');
foreach ($elm as $new) {
if($new -> getAttribute('id') == $_id) {
if($root -> removeChild($new)) {
echo $_id . ' has been deleted';
} else {
echo $_id . ' delete failed';
}
}
}
$doc -> save($xmlpatch);
} else {
echo 'xml file loaded error!';
}
jb51.net?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>XML操作-删除</title>
</head>
jb51.net<body>
</body>
</html>
jb51.net
总结一下，创建跟添加主要用的就是create跟appendChild，create后边跟Element就是创建节点，跟Attribute就是创建属性，TextNode就是创建值，然后appendChild就是设置从属关系，这么一看非常简单。删除与修改都是用先获得节点列表getElementsByTagName然后foreach遍历想要修改的节点.
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