php DOMDocument removeChild 删除节点函数
本款教程实例是一款利用了 DOMDocument 的getElementById查询到指定的经删除节点,然后用removeChildm删除指定xml节点bi.
php DOMDocument removeChild 删除节点函数实例代码如下:
public function deletecomment($id) {
$xml = new domdocument();
$xml->validateonparse=true;
$xml->loadxml($this->getcontents(true));
$message = $xml->getelementbyid($id);
$parentnode = $message->parentnode;
$parentnode->removechild($message);
$this->putcontents($xml->savexml());
}xml 文档:
<?xml version="1.0" encoding="utf-8" <!doctype messages [ <!element messages (message)*> <!element message (name , website? , comment , date , user_ip? , user_agent? , spam)> <!attlist message mid id #required> <!element name (#pcdata)> <!element website (#pcdata)> <!element comment (#pcdata)> <!element date (#pcdata)> <!element spam (#pcdata)> <!element user_ip (#pcdata)> <!element user_agent (#pcdata)> ]> <messages> </messages>
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