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<DOMAttrDOMAttr::isId>
^DOMAttrLast updated: Mon, 26 Oct 2026

DOMAttr::__construct

(PHP 5, PHP 7, PHP 8)

DOMAttr::__construct — Creates a new DOMAttr object

Description

public function DOMAttr::__construct(string $name, string $value = "")

Creates a new DOMAttr object. This object is read only. It may be appended to a document, but additional nodes may not be appended to this node until the node is associated with a document. To create a writable node, use DOMDocument::createAttribute.

Parameters

name

The tag name of the attribute.

value

The value of the attribute.

Examples

Example #1 Creating a new DOMAttr object

<?php

$dom = new DOMDocument('1.0', 'utf-8');
$element = $dom->appendChild(new DOMElement('root'));
$attr = $element->setAttributeNode(new DOMAttr('attr', 'attrvalue'));
echo $dom->saveXML(); 

?>

The above example will output:

<?xml version="1.0" encoding="utf-8"?>
<root attr="attrvalue"/>

See Also


<DOMAttrDOMAttr::isId>
^DOMAttrLast updated: Mon, 26 Oct 2026