here it is
PHP Code:
$user=$DB_site->query_first("SELECT user.*,FROM_UNIXTIME(joindate) AS joindate,FROM_UNIXTIME(lastvisit) AS lastvisit,FROM_UNIXTIME(lastactivity) AS lastactivity,FROM_UNIXTIME(lastpost) AS lastpost,
avatar.avatarpath,NOT ISNULL(customavatar.avatardata) AS hascustomavatar
FROM user
LEFT JOIN avatar ON avatar.avatarid=user.avatarid
LEFT JOIN customavatar ON customavatar.userid=user.userid
WHERE user.userid=$userid");