чтобы отследить спаммеров

/////////////////////////////// VIEW USERS LIST /////////////	
if ($do=='view'){
 
..........
..........
........
 
		if ($is_users){
			while($usr = $inDB->fetch_assoc($result)){                
					$rownum++;
					$usr['avatar'] = usrLink(usrImageNOdb($usr['id'], 'small', $usr['imageurl'], $usr['is_deleted']), $usr['login'], $menuid);
					$usr['nickname'] = cmsUser::getProfileLink($usr['login'], $usr['nickname']);
					$usr['flogdate'] = $inCore->dateFormat($usr['flogdate'], true, true);
					$usr['status'] = usrStatusList($usr['id'], $usr['flogdate'], false, $usr['gender']);
					$usr['num'] = $rownum + ($page-1)*$perpage;

$usr['wall'] =  $inDB->rows_count('cms_user_wall', 'author_id='.$usr['id']);

                    if (($orderby!='karma' || $orderto!='asc') || strip_tags($usr['karma'])<0){
                        $users[] = $usr;
                    }
			}
		}

{if $usr.microstatus}
  <div style="clear:both">&mdash; {$usr.microstatus}</div>
{/if}
<div class="status">{$usr.status}</div>

<div>Написал {$usr.wall|spellcount:'сообщение':'сообщения':'сообщений'} на стене.</div>