[英]PHP domDocument remove element by attribute value
我想刪除由某個變量聲明的屬性值的元素。 我有這樣的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>
誰能幫我的PHP代碼? 我嘗試了類似的方法,但是沒有用。
<?php
$doc = new DOMDocument;
$id = $_GET['id'];
$doc->load('acl.conf.xml');
$searchNode = $doc->getElementsByTagName( "node" );
foreach( $searchNode as $searchNode )
{
$valueID = $searchNode->getAttribute('cidr');
}
?>
假設$_GET['id']
是您要刪除的cidr
值,我將使用XPath
$xpath = new DOMXPath($doc);
$nodes = $xpath->query('//node[@cidr="' . $id . '"]')
foreach ($nodes as $node) {
$node->parentNode->removeChild($node);
}
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