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<DOMDocument::__constructDOMDocument::createAttributeNS>
^DOMDocumentLast updated: Mon, 26 Oct 2026

DOMDocument::createAttribute

(PHP 5, PHP 7, PHP 8)

DOMDocument::createAttribute — Create new attribute

Description

public function DOMDocument::createAttribute(string $localName): DOMAttr|false

This function creates a new instance of class DOMAttr. This node will not show up in the document unless it is inserted with (e.g.) DOMNode::appendChild().

Parameters

localName

The name of the attribute.

Return Values

The new DOMAttr or false if an error occurred.

Errors/Exceptions

May throw a DOMException with the following error codes:

DOM_INVALID_CHARACTER_ERR

Raised if localName contains an invalid character.

See Also


<DOMDocument::__constructDOMDocument::createAttributeNS>
^DOMDocumentLast updated: Mon, 26 Oct 2026