+}
+
+/** Convert the duration_string */
+function rpc_convert_duration_string($str)
+{
+ $tok = explode("w", $str);
+ $weeks = $tok[0];
+ $tok = explode("d", $tok[1]);
+ $days = $tok[0];
+ $tok = explode("h", $tok[1]);
+ $hours = $tok[0];
+ return "$weeks weeks, $days days and $hours hours";
+