DomDocument->doctype
    (no version information, might be only in CVS)
DomDocument->doctype -- 
     Returns the document type
    
Description
object 
DomDocument->doctype ( void)
     This function returns an object of class
     DomDocumentType. In versions of
     PHP before 4.3 this has been the class Dtd,
     but the DOM Standard does not know such a class.
    
     See also the methods of class DomDocumentType.