/*　カテゴリー分岐用追加　*/
    public function doDefault($objProduct) {
        parent::doDefault($objProduct);
        
        // ルートカテゴリを取得。
        $db = new SC_Helper_DB_Ex();
        $this->rootCategory = $db->sfGetFirstCat($this->arrForm['category_id']);
    }

}

    /*
     * お気に入り商品登録
     * @return void
     */
    public function lfRegistFavoriteProduct($favorite_product_id, $customer_id)
    {
        // ログイン中のユーザが商品をお気に入りにいれる処理
        if (!SC_Helper_DB_Ex::sfIsRecord('dtb_products', 'product_id', $favorite_product_id, 'del_flg = 0 AND status = 1')) {
            SC_Utils_Ex::sfDispSiteError(PRODUCT_NOT_FOUND);

            return false;
        } else {
            $objQuery =& SC_Query_Ex::getSingletonInstance();
            $exists = $objQuery->exists('dtb_customer_favorite_products', 'customer_id = ? AND product_id = ?', array($customer_id, $favorite_product_id));

            if (!$exists) {
                $sqlval['customer_id'] = $customer_id;
                $sqlval['product_id'] = $favorite_product_id;
                $sqlval['update_date'] = 'CURRENT_TIMESTAMP';
                $sqlval['create_date'] = 'CURRENT_TIMESTAMP';　//ここが504行目

//インスタンス生成
public function lfGetProductId( $product_code )
{

$col = "dtb_products_class.product_id"; //カラム
$from = "dtb_products_class INNER JOIN dtb_products ON dtb_products_class.product_id = dtb_products.product_id";
$where = "dtb_products_class.product_code = ? AND dtb_products_class.del_flg = 0 "; 
$arrWhereVal = array($product_code);
$res = $objQuery->get($col, $from, $where,$arrWhereVal);

echo $res;

}

//URLに商品コード
$objURLs = new SC_Product_Ex();

$this->ppcode = $objURLs->lfGetProductId( $_GET[ "product_code" ] );

if ( $_GET[ "product_code" ] )
{


$abcd=lfGetProductId( $_GET[ "product_code" ] );
echo $abcd;	

}

    /**
     * 商品規格詳細の SQL を取得する.
     *
     * MEMO: 2.4系 vw_product_classに相当(?)するイメージ
     *
     * @param  string $where 商品詳細の WHERE 句
     * @return string 商品規格詳細の SQL
     */
    public function prdclsSQL($where = '')
    {

　　〜省略〜

    }

    public function getProductDispConditions($tablename = null)
    {
        $tablename = ($tablename) ? $tablename . '.' : null;

        return $tablename . 'del_flg = 0 AND ' . $tablename . 'status = 1 ';
    }
}