(PHP 5, PHP 7)
DOMDocument::createAttributeNS — Create new attribute node with an associated namespace
This function creates a new instance of class DOMAttr. Este nó não será exibido no documento a não ser que ele seja inserido, por exemplo, com DOMNode->appendChild().
namespaceURIThe URI of the namespace.
qualifiedNameThe tag name and prefix of the attribute, as prefix:tagname.
The new DOMAttr or FALSE if an error occurred.
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
namespaceURI is NULL.