$userdata = $db->query_first(" SELECT u.username FROM " . TABLE_PREFIX . "useractivation AS ua LEFT JOIN " . TABLE_PREFIX . "user AS u USING (userid) WHERE ua.activationid = '" . $vbulletin->db->escape_string($vbulletin->GPC['i']) . "' AND ua.emailchange = 0 LIMIT 1 "); $username = $userdata['username'];