+ /** This function returns the results of the given filter
+ * wihtin $limit; can be use to replace the default $pf->get call.
+ * @param &$pf The filter
+ * @param $limit The PlLimit
+ * @return The results of the filter
+ */
+ protected function &getFilterResults(PlFilter &$pf, PlLimit $limit)
+ {
+ $res = $pf->get($limit);
+ return $res;
+ }
+
+ /** This function returns the values of the set, and sets $count with the
+ * total number of results.