(no version information, might be only in CVS)
DOMNodelist->item() -- Retrieves a node specified by index
Retrieves a node specified by index within the
DOMNodeList object.
Tip: If you need to know the number of nodes in the collection, use the length property of the DOMNodeList object.
The node at the indexth position in the
DOMNodeList, or NULL if that is not a valid
index.