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>