OK I changed it to:
$numbersmembers=$DB_site->query_first('SELECT userid FROM user ORDER BY userid DESC LIMIT 1');
$numbermembers=number_format($numbersmembers['userid']);
AND I get this:
Database error in vBulletin 2.2.9:
Invalid SQL: SELECT userid,username FROM user WHERE userid=
mysql error: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
mysql error number: 1064
Date: Tuesday 22nd of April 2003 02:04:41 AM
Script:
http://www.satcetera.com/forums/forums/index.php
Referer:
http://satcetera.com/admin.php?s=&op=adminMain