(PHP 5, PHP 7, PHP 8)
DOMElement::setAttributeNS — Adds new attribute
Sets an attribute with namespace namespace and name qualifiedName to the given value. If the attribute does not exist, it will be created.
namespaceThe namespace URI.
qualifiedNameThe qualified name of the attribute, as prefix:tagname.
valueThe value of the attribute.
No value is returned.
May throw a DOMException with the following error codes:
DOM_NO_MODIFICATION_ALLOWED_ERRRaised if the node is readonly.
DOM_NAMESPACE_ERRRaised if qualifiedName is a malformed qualified name, or if qualifiedName has a prefix and namespace is null.