[英]PHP domDocument remove element by attribute value
我想删除由某个变量声明的属性值的元素。 我有这样的xml:
<configuration name="acl.conf" description="Network Lists">
<network-lists><!-- IMS ALLOW ONLY -->
<list name="test" default="deny">
<node type="allow" cidr="11.11.11.101/32"/>
</list>
<list name="customer" default="deny" type="allow">
<node type="allow" cidr="10.13.13.193/32"/>
<node type="allow" cidr="10.13.13.194/32"/>
<node type="allow" cidr="10.13.13.3/32"/>
<node type="allow" cidr="10.13.13.2/32"/>
</list>
</network-lists>
</configuration>
谁能帮我的PHP代码? 我尝试了类似的方法,但是没有用。
<?php
$doc = new DOMDocument;
$id = $_GET['id'];
$doc->load('acl.conf.xml');
$searchNode = $doc->getElementsByTagName( "node" );
foreach( $searchNode as $searchNode )
{
$valueID = $searchNode->getAttribute('cidr');
}
?>
假设$_GET['id']
是您要删除的cidr
值,我将使用XPath
$xpath = new DOMXPath($doc);
$nodes = $xpath->query('//node[@cidr="' . $id . '"]')
foreach ($nodes as $node) {
$node->parentNode->removeChild($node);
}
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