PHP Decode

<?php 
define('IN_HHS', true); 
require(dirname(__FILE__) . '/includes/init.php'); 
if ((DEBUG_MODE & 2) != 2) 
{ 
    $smarty->caching = false; 
} 
$cat_id = isset($_REQUEST['id']) ? intval($_REQUEST['id']) : 0; 
assign_template(); 
if (!empty($_REQUEST['act']) && $_REQUEST['act'] == 'ajax') 
{ 
    include('includes/cls_json.php'); 
	$id = $_GET['cat_id']; 
	$children = get_children($id); 
    $last = $_POST['last']; 
	$amount = $_POST['amount']; 
	$limit = "limit $last,$amount"; 
    $json   = new JSON; 
	$goodslist = get_catgoods($children,$limit); 
	 
    foreach($goodslist as $val){ 
    	$smarty->assign('item', $val); 
		$res[]['catgoods_list']  = $GLOBALS['smarty']->fetch('library/cat_goodslist_ajax.lbi'); 
    } 
    die($json->encode($res)); 
} 
 
 
    $smarty->assign('cat_id',      $cat_id);    //  
    $smarty->assign('page_title',      '');    //  
 
    $smarty->assign('categories',      get_categories_tree()); 
 
 
    $link= $hhs->url().substr($_SERVER[SCRIPT_NAME], 1).'?uid='.$uid; 
    $smarty->assign('link', $link ); 
    $smarty->assign('link2', urlencode($link) ); 
	 
	$smarty->assign('appid', $appid); 
	$timestamp=time(); 
	$smarty->assign('timestamp', $timestamp ); 
	$class_weixin=new class_weixin($appid,$appsecret); 
	$signature=$class_weixin->getSignature($timestamp); 
	$smarty->assign('signature', $signature); 
	$smarty->assign('imgUrl', 'http://'.$_SERVER['HTTP_HOST'].'/themes/'.$_CFG['template'].'/images/logo.gif'); 
	$smarty->assign('title', $_CFG['mall_title']); 
	$smarty->assign('desc', mb_substr($_CFG['mall_desc'], 0,30,'utf-8')  ); 
	 
	 
    $smarty->display('category.dwt'); 
 
 
/**/ 
function get_catgoods($cat_id, $limit=''){ 
    $where   = "g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 AND g.is_mall = 1  and is_luck = 0 and is_miao = 0 and is_fresh = 0 and is_zero = 0 "; 
    $where  .= " and $cat_id"; 
    // 
    $current_region_type=get_region_type($_SESSION['site_id']);  
    if($current_region_type<=2){ 
         $where.=" and (g.city_id='".$_SESSION['site_id'] . "' or g.city_id=1) "; 
    }elseif($current_region_type==3){ 
        $where.=" and (g.district_id='".$_SESSION['site_id'] . "' or g.city_id=1) "; 
    } 
    $sql = 'SELECT g.goods_id, g.goods_name, g.goods_number, g.suppliers_id, g.goods_name_style, g.market_price, g.shop_price , ' . 
                'g.promote_start_date, g.promote_end_date, g.goods_brief, g.goods_thumb , g.goods_img ' . 
            'FROM ' . $GLOBALS['hhs']->table('goods') . ' AS g ' . 
            "WHERE $where ORDER BY g.sort_order, g.goods_id DESC " . $limit; 
 
	$res = $GLOBALS['db']->query($sql); 
    $arr = array(); 
	while ($row = $GLOBALS['db']->fetchRow($res)) 
    { 
		$arr[$row['goods_id']]['goods_id']       = $row['goods_id']; 
 
        $arr[$row['goods_id']]['goods_name']    = $row['goods_name']; 
        $arr[$row['goods_id']]['goods_number']  = $row['goods_number']; 
         
        $arr[$row['goods_id']]['market_price']  = ''.price_format($row['market_price'],false); 
        $arr[$row['goods_id']]['shop_price']    = ''.price_format($row['shop_price'],false); 
         
        $arr[$row['goods_id']]['goods_thumb']   = get_image_path($row['goods_id'], $row['goods_thumb'], true); 
        $arr[$row['goods_id']]['goods_img']     = get_image_path($row['goods_id'], $row['goods_img']); 
        $arr[$row['goods_id']]['url']           = build_uri('goods', array('gid'=>$row['goods_id']), $row['goods_name']); 
 
 
    } 
    return $arr; 
} 
?>