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/PHP

DOMElement::setAttribute

(PHP 5, PHP 7, PHP 8)

DOMElement::setAttribute — Adds new or modifies existing attribute

Description

public DOMElement::setAttribute(string $qualifiedName, string $value): DOMAttr|bool

Sets an attribute with name qualifiedName to the given value. If the attribute does not exist, it will be created.

Parameters

qualifiedName

The name of the attribute.

value

The value of the attribute.

Return Values

The created or modified DOMAttr or false if an error occurred.

Errors/Exceptions

DOM_NO_MODIFICATION_ALLOWED_ERR

Raised if the node is readonly.

Examples

Example #1 Setting an attribute

<?php
$doc = new DOMDocument("1.0");
$node = $doc->createElement("para");
$newnode = $doc->appendChild($node);
$newnode->setAttribute("align", "left");
?>

See Also

© 1997–2025 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/domelement.setattribute.php