Фильтрация в доске объявлений

 
public function addRecord($item){
$inUser = cmsUser::getInstance();
$item = cmsCore::callEvent('ADD_BOARD_RECORD', $item);
$sql = "INSERT INTO cms_board_items (category_id, user_id, obtype, title , content, formsdata, city, pubdate, pubdays, published, file, hits, ip, price)
VALUES ({$item['category_id']}, {$item['user_id']}, '{$item['obtype']}', '{$item['title']}', '{$item['content']}', '{$item['formsdata']}',
'{$item['city']}', NOW(), {$item['pubdays']}, {$item['published']}, '{$item['file']}', 0, INET_ATON('{$inUser->ip}'), '{$item['price']}')";
$this->inDB->query($sql);
 

 
public function updateRecord($id, $item) {
$item = cmsCore::callEvent('UPDATE_BOARD_RECORD', $item);
$sql = "UPDATE cms_board_items
SET category_id = {$item['category_id']},
obtype = '{$item['obtype']}',
title = '{$item['title']}',
content = '{$item['content']}',
price = '{$item['price']}',
formsdata = '{$item['formsdata']}',
city = '{$item['city']}',
pubdate = '{$item['pubdate']}',
pubdays = '{$item['pubdays']}',
published = '{$item['published']}',
file = '{$item['file']}'
WHERE id = '$id'";
$this->inDB->query($sql);
 

 
$item['price'] =($item['price']);
 

 
<option value="price" {if $orderby=='price'} selected {/if}>По цене</option>