(No version information available, might be only in CVS)
DOMDocument->createAttributeNS() — Create new attribute node with an associated namespace
This function creates a new instance of class DOMAttr. 本节点不会出现在文档中，除非是用例如 DOMNode->appendChild() 函数来将其插入。
The URI of the namespace.
The tag name and prefix of the attribute, as prefix:tagname.
The new DOMAttr or FALSE if an error occured.
Raised if qualifiedName contains an invalid character.
Raised if qualifiedName is a malformed qualified name, or if qualifiedName has a prefix and namespaceURI is NULL.