DOMXPath->query
    (no version information, might be only in CVS)
DOMXPath->query -- 
     Evaluates the XPath expression in the given string 
    
Description
object 
DOMXPath->query ( string expression [, object contextnode])
     Returns a DOMNodelist containing all nodes matching 
     expression. Any expression which do not return 
     nodes will return an empty DOMNodelist.
    
     The optional contextnode can be specified for doing 
     relative XPath queries.