(no version information, might be only in CVS)
DOMElement->getElementsByTagName() -- Gets elements by tagname
Description
class 
DOMElement { 
DOMNodeList 
getElementsByTagName ( string name )
}
   This function returns a new instance of the class
   DOMNodeList of all descendant elements with a
   given tag name, in the order in which they are
   encountered in a preorder traversal of this element tree.