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                    php中文网手册 发布
                
(PHP 5, PHP 7)
DOMElement::setAttributeNode — Adds new attribute node to element
$attr 
   )
   Adds new attribute node attr to element. 
  
attr The attribute node.
   Returns old node if the attribute has been replaced or  NULL .
  
DOM_NO_MODIFICATION_ALLOWED_ERR  Raised if the node is readonly.
[#1] karvjorm at users.sourceforge.net [2007-03-02 16:01:24]
$dom = new DomDocument('1.0','iso-8859-15');
$ht_ml = $dom->appendChild($dom->createElement('html'));
$he_ad = $ht_ml->appendChild($dom->createElement('head'));
$tit_le= $he_ad->appendChild($dom->createElement('title'));
$tit_le->appendChild($dom->createTextNode('DOMAttr test'));
$me_ta = $he_ad->appendChild(new DOMElement('meta'));
$me_ta->setAttributeNode(new DOMAttr('name', 'Description'));
$me_ta->setAttributeNode(new DOMAttr('content', 'example'));
$me_ta = $he_ad->appendChild(new DOMElement('meta'));
$me_ta->setAttributeNode(new DOMAttr('name', 'Author'));
$me_ta->setAttributeNode(new DOMAttr('content', 'karvjorm'));
Result:
<?phpxml version="1.0" encoding="iso-8859-15"?>
<html>
  <head>
    <title>DOMAttr test</title>
    <meta name="Description" content="example"/>
    <meta name="Author" content="karvjorm"/>
  </head>