Shopping cart with php and mysql updating quantity and saving orders

Create a new MySQL database named demo and execute the SQL code below:

-- phpMyAdmin SQL Dump
-- version 4.1.14
-- //www.phpmyadmin.net
--
-- Host: 127.0.0.1
-- Generation Time: Apr 30, 2015 at 09:23 PM
-- Server version: 5.6.17
-- PHP Version: 5.5.12

SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
SET time_zone = "+00:00";


/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;

--
-- Database: `demo`
--

-- --------------------------------------------------------

--
-- Table structure for table `product`
--

CREATE TABLE IF NOT EXISTS `product` [
  `id` int[11] NOT NULL AUTO_INCREMENT,
  `name` varchar[250] COLLATE utf8_unicode_ci NOT NULL,
  `price` decimal[10,0] NOT NULL,
  `quantity` int[11] NOT NULL,
  `description` text COLLATE utf8_unicode_ci NOT NULL,
  PRIMARY KEY [`id`]
] ENGINE=InnoDB  DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci AUTO_INCREMENT=4 ;

--
-- Dumping data for table `product`
--

INSERT INTO `product` [`id`, `name`, `price`, `quantity`, `description`] VALUES
[1, 'Name 1', '1000', 2, 'good'],
[2, 'Name 2', '2000', 3, 'good'],
[3, 'Name 3', '3000', 4, 'good'];

/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;

Create PHP file named connect.php. Use mysqli_connect method connect to demo database with default account:


Username: root
Password:


Create PHP file named index.php. This file will list all product from database as below:



		Id
		Name
		Price
		Buy
	
Option Id Name Price Quantity Sub Total

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