Using DOM to control XML in PHP5(2)

//Write new data to DOM
$item = $dom->createElement("item");
$title = $dom->createElement("title");
$titleText = $dom-> ;createTextNode("title text");
$title->appendChild($titleText);
$item->appendChild($title);
$dom->documentElement->getElementsByTagName('channel')- >item(0)->appendChild($item);

//Remove node from DOM
//$dom->documentElement->RemoveChild($dom->documentElement->getElementsByTagName(" channel")->item(0));
//Or use xpath to query the node and delete it
//$dom->documentElement->RemoveChild($xpath->query("/rss/channel" )->item(0));
//$dom->save("newfile.xml");

//Modify node data from DOM
//Modify the first title file
// This place is clumsy. Create a new node and then replace the old node. If anyone has other good methods, please tell me
$firstTitle = $xpath->query("/rss/channel/item/title")->item(0);
$newTitle = $dom ->createElement("title");
$newTitle->appendChild(new DOMText("This's the new title text!!!"));
$firstTitle->parentNode->replaceChild($newTitle, $ firstTitle);
//Modify attributes
//$firstTitle = $xpath->query("/rss/channel/item/title")->item(0);
//$firstTitle->setAttribute( "orderby", "4");
$dom->save("newfile.xml");

echo "

---

View newfile.xml< ;/a>";

//The following code obtains and parses the homepage of php.net and returns the content of the first title element.
/*
$dom->loadHTMLFile("http://www.php.net/");
$title = $dom->getElementsByTagName("title");
print $title->item( 0)->textContent;
*/
?>

The following is the test.xml file code:





http://blog.csdn.net/zhongmao/category/29515.aspx
javascript
zh-chs
.text version 0.958.2004.2001

zhongmao
< ;title orderby="1">out put excel used javascript
http://blog.csdn.net/zhongmao/archive/2004/09/15/105385.aspx
wed, 15 sep 2004 13:32:00 gmt
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2
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test description


zhongmao

http://blog.csdn.net/zhongmao/archive/2004 /08/06/67161.aspx
fri, 06 aug 2004 16:33:00 gmt
  http://blog.csdn.net/zhongmao/archive/2004/08/06/67161.aspx 
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  0 
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  test word description 
   
   
  zhongmao 
   
  http://blog.csdn.net/zhongmao/archive/2004/08/02/58417.aspx 
  mon, 02 aug 2004 10:11:00 gmt 
  http://blog.csdn.net/zhongmao/archive/2004/08/02/58417.aspx 
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  xmlhttpaaa asd bb cc dd 
   
   
 

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