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DOMDocument::createAttributeNS

(PHP 5, PHP 7, PHP 8)

DOMDocument::createAttributeNS — Create new attribute node with an associated namespace

Beschreibung

public DOMDocument::createAttributeNS(?string $namespace, string $qualifiedName): DOMAttr|false

This function creates a new instance of class DOMAttr. Dieser Knoten wird im Dokument erst dann angezeigt, wenn er mit (z. B.) DOMNode::appendChild() eingefügt wird.

Parameter-Liste

namespace

The URI of the namespace.

qualifiedName

The tag name and prefix of the attribute, as prefix:tagname.

Rückgabewerte

The new DOMAttr or false if an error occurred.

Fehler/Exceptions

May throw a DOMException with the following error codes:

DOM_INVALID_CHARACTER_ERR

Raised if qualifiedName contains an invalid character.

DOM_NAMESPACE_ERR

Raised if qualifiedName is a malformed qualified name, or if qualifiedName has a prefix and namespace is null.

Changelog

Version Beschreibung
8.3.0 Calling this method without specifying a prefix will now choose a prefix instead of assuming the default namespace. Previously this would create an attribute without a prefix and incorrectly apply the namespace to the owner element because default namespaces don't apply on attributes.
8.3.0 Calling this method using a prefix that was already declared on the owner element with a different namespace URI will now change the new prefix to avoid creating namespace conflicts. This aligns the behaviour with the DOM specification. Previously this threw a DOMException with code DOM_NAMESPACE_ERR.

Siehe auch