}
// Filter for loading user data
-function FILTER_FETCH_USER_DATA ($userid = 0) {
+function FILTER_FETCH_USER_DATA ($userid = NULL) {
// Is the userid not set? Then use member id
- if (($userid == '0') || (is_null($userid))) $userid = getMemberId();
+ if (!isValidUserId($userid)) {
+ $userid = getMemberId();
+ } // END - if
// Get user data
if (!fetchUserData($userid)) {