buys = null; $std->sells = null; $std->message = array(); $std->error = true; if (class_exists('Orders')) { $refresh_orders = new Orders(); $buy_list = $refresh_orders->get_top_buy_sell_list($top_table='active_buy_list', $asc_desc='DESC'); // buy $sell_list = $refresh_orders->get_top_buy_sell_list($top_table='active_selling_list', $asc_desc='ASC'); // sell $std->buys = $buy_list; $std->sells = $sell_list; $std->error = false; } echo json_encode($std); } else { return false; }