$temp_stock = $_ajax->get_stock($ajx_type, $ajx_stock); $stock_name = $_ajax->get_stock($ajx_type, $ajx_stock); $temp_stock = $temp_stock->stock_quantity - $ajx_qty; if($temp_stock < 0){ $temp_stock = 0; $success = 0; }else{ $temp_stock = $temp_stock; $success = 1; } $date = date('Y-m-d H:i:s'); $_ajax->update_temp_stock($temp_stock, $ajx_type, $ajx_stock); $_ajax->insert_buy($ajx_type, $stock_name->stock_name, $ajx_qty, $date); $total_qty = 0; $sess_qty = $_SESSION['cart_qty']; foreach($sess_qty as $sess_qty){ $total_qty += $sess_qty; } $total_cart = $total_qty; if($success == 0){ echo 'soldout'; }else{ echo $total_cart;