$ci = &get_instance();
$ci->load->model('web/m_realtime_keyword');
$arr_realtime_keyword = $ci->m_realtime_keyword->realtime_keyword_all_list();
foreach ($arr_realtime_keyword as $key=>$val) :
$last_rank = $val['last_rank'];
$rank = $val['rank'];
$class = '';
$last_rank_txt = '';
if($last_rank==0){
$class = 'new';
$last_rank_txt = 'NEW';
} else {
$calc_rank = $last_rank - $rank;
if($calc_rank == 0){ // 같음
$last_rank_txt = '-';
} else if($calc_rank > 0){ // up
$last_rank_txt = '

'.$calc_rank;
} else {
$last_rank_txt = '

'.abs($calc_rank);
}
}
$keyword = mb_strimwidth($val['keyword'], '0', '25', '..', 'utf-8');
?>