Shopping Cart using Array Question

TheJoey · August 31, 2009

I have a shopping cart using database to store information as most do.

I was wondering if i could store arrays such as.

array('Men\'s Roller Blades'=> array(
                            Price => 69.95,
                            Shipping => 0.10 //shipping as a % of price
                            ),
		'Women\'s Roller Blades'=> array(
                            Price => 63.95,
                            Shipping => 0.10 //shipping as a % of price
                            ),
            'Helmet'=> array(
                            Price => 34.99,
                            Shipping => 0.05 //shipping as a % of price
                        ),
		'Knee Pads'=> array(
                            Price => 22.99,
                            Shipping => 0.08 //shipping as a % of price
                        ),
            'Knee and Elbow Pads'=> array(
                            Price => 29.99,
                            Shipping => 0.08 //shipping as a % of price
                            ));

all call it up in this shopping cart script insted of the mysql querry

$cart = $_SESSION['cart'];
$action = $_GET['action'];
switch ($action) {
case 'add':
	if ($cart) {
		$cart .= ','.$_GET['id'];
	} else {
		$cart = $_GET['id'];
	}
	break;
case 'delete':
	if ($cart) {
		$items = explode(',',$cart);
		$newcart = '';
		foreach ($items as $item) {
			if ($_GET['id'] != $item) {
				if ($newcart != '') {
					$newcart .= ','.$item;
				} else {
					$newcart = $item;
				}
			}
		}
		$cart = $newcart;
	}
	break;
case 'update':
if ($cart) {
	$newcart = '';
	foreach ($_POST as $key=>$value) {
		if (stristr($key,'qty')) {
			$id = str_replace('qty','',$key);
			$items = ($newcart != '') ? explode(',',$newcart) : explode(',',$cart);
			$newcart = '';
			foreach ($items as $item) {
				if ($id != $item) {
					if ($newcart != '') {
						$newcart .= ','.$item;
					} else {
						$newcart = $item;
					}
				}
			}
			for ($i=1;$i<=$value;$i++) {
				if ($newcart != '') {
					$newcart .= ','.$id;
				} else {
					$newcart = $id;
				}
			}
		}
	}
}
$cart = $newcart;
break;
}
$_SESSION['cart'] = $cart;
?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>PHP Shopping Cart Demo &#0183; Cart</title>
<link rel="stylesheet" href="css/styles.css" />
</head>

<body>

<div id="shoppingcart">

<h1>Your Shopping Cart</h1>

<?php
echo writeShoppingCart();
?>

</div>

<div id="contents">

<h1>Please check quantities...</h1>

<?php
echo showCart();
?>

<p><a href="index.php">Back to bookshop...</a></p>

</div>

</body>
</html>

cart.php

<?php
session_start();
?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>PHP Shopping Cart Demo &#0183; Bookshop</title>
<link rel="stylesheet" href="css/styles.css" />
</head>

<body>

<div id="shoppingcart">

<h1>Your Shopping Cart</h1>

<?php
echo writeShoppingCart();
?>

</div>

<div id="booklist">

<h1>Books In Our Store</h1>

<?php
$sql = 'SELECT * FROM books ORDER BY id';
$result = $db->query($sql);
$output[] = '<ul>';
while ($row = $result->fetch()) {
$output[] = '<li>"'.$row['title'].'" by '.$row['author'].': £'.$row['price'].'<br /><a href="cart.php?action=add&id='.$row['id'].'">Add to cart</a></li>';
}
$output[] = '</ul>';
echo join('',$output);
?>

</div>

</body>
</html>

index.php

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Shopping Cart using Array Question

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