I was very close.
I thought some variables would conflict.
Here's mine (don't use).
PHP Code:
$moderators2 = $db->query_read("
SELECT user.email, user.languageid, user.username, user.userid
FROM " . TABLE_PREFIX . "user AS user
WHERE user.usergroupid=2 OR user.usergroupid=6
");
while ($moderator2 = $db->fetch_array($moderators2))
{
$mods[] .= $moderator2;
}
I had the same hook location too.