Possible fix for 'User id 0 is invalid'

diff --git a/inc/libs/nickname_functions.php b/inc/libs/nickname_functions.php
index f3ec02b214696c2abdf77c88c4ea8a795a091ac5..9c4a7933c8095afb41e023e454e302653c47ea61 100644 (file)
--- a/inc/libs/nickname_functions.php
+++ b/inc/libs/nickname_functions.php
@@ -49,7 +49,7 @@ function isNicknameOrUserid ($useridNick) {
        if (isset($GLOBALS['nickname_active'][$useridNick])) {
                // Use it directly
                $ret = $GLOBALS['nickname_active'][$useridNick];
        if (isset($GLOBALS['nickname_active'][$useridNick])) {
                // Use it directly
                $ret = $GLOBALS['nickname_active'][$useridNick];

-       } else {
+       } elseif ((!empty($useridNick)) && ($useridNick != '0')) {

                // Nickname or userid used?
                $nick = getNickname($useridNick);
 
                // Nickname or userid used?
                $nick = getNickname($useridNick);