refs

       refs - return the number of references to a data structure

SYNOPSIS

       int refs( mixed data );

DESCRIPTION

       The number of references to `data'  will  be  returned  by
       refs().   This  is  useful  for deciding whether or not to
       make a copy of a data structure before returning it.

SEE ALSO

       children(3),    inherit_list(3),     deep_inherit_list(3),
       objects(3)