DOMElement::setAttributeNode()

(PHP 5, PHP 7)

Adds new attribute node to element

说明

publicDOMElement::setAttributeNode(DOMAttr$attr): DOMAttr

Adds new attribute node$attrto element.

参数

$attr: The attribute node.

返回值

Returns old node if the attribute has been replaced or NULL.

错误／异常

DOM_NO_MODIFICATION_ALLOWED_ERR: Raised if the node is readonly.

参见

DOMElement::hasAttribute() Checks to see if attribute exists
DOMElement::getAttributeNode() Returns attribute node
DOMElement::removeAttributeNode() Removes attribute

$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:
<?xml version="1.0" encoding="iso-8859-15"?>
<html>
 <head>
  <title>DOMAttr test</title>
  <meta name="Description" content="example"/>
  <meta name="Author" content="karvjorm"/>
 </head>