phpでのDOMElement操作xmlドキュメントインスタンスのデモ

 
  
//Store your html into $html variable. 
  
$html=" 
  
 
  
 
  
 
  
 
  
Example 
  
Google 
  
Yahoo 
  
 
  
"; 
  
$dom = new DOMDocument(); 
  
$dom->loadHTML($html); 
  
//Evaluate Anchor tag in HTML 
  
$xpath = new DOMXPath($dom); 
  
$hrefs = $xpath->evaluate("/html/body//a"); 
  
for ($i = 0; $i < $hrefs->length; $i++) { 
  
$href = $hrefs->item($i); 
  
$url = $href->getAttribute('href'); 
  
//remove and set target attribute 
  
$href->removeAttribute('target'); 
  
$href->setAttribute("target", "_blank"); 
  
$newURL=$url.".au"; 
  
//remove and set href attribute 
  
$href->removeAttribute('href'); 
  
$href->setAttribute("href", $newURL); 
  
} 
  
// save html 
  
$html=$dom->saveHTML(); 
  
echo $html; 
  
?> 
  
 
 

 
  
/* 
  
 
  
 
  
 
  
 
  
 
  
 
  
     > 
  
     > 
  
123  > 
  
  > 
  
  > 
  
 
  
     > 
  
140  > 
  
      > 
  
  > 
  
  > 
  
*/ 
  
$xmldoc = new DOMDocument('1.0', 'UTF-8'); 
  
$xmldoc->load('datas.xml'); 
  
$itemsNodeList = $xmldoc->getElementsbyTagName('  '); 
  
$itemElement = $itemsNodeList->item(0);//               
  
$itemChildsNodeList = $itemElement->getElementsbyTagName('  ');//     “  ”，        
  
$itemChildNode = $itemChildsNodeList->item(0);//          
  
echo $itemChildNode->nodeValue;//      
  
//      
  
$nodeArr = array('  ', '  ', '  '); 
  
function getNodeVal($xmldoc, $itemsName, $nodeArr){ 
  
$items = $xmldoc->getElementsByTagName($itemsName); 
  
for($i=0; $i < $items->length; $i++){ 
  
$item = $items->item($i); 
  
foreach($nodeArr as $node){ 
  
$data[$i][] = $item->getElementsByTagName($node)->item(0)->nodeValue; 
  
} 
  
} 
  
return $data; 
  
} 
  
$data = getNodeVal($xmldoc, '  ', $nodeArr); 
  
print_r($data);