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First Shopping cart


mr_jim

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Hi I am new to this forum wondered if anyone could help. I am creating a shopping basket and want to store three session variables (quantity, colour, size) against one product ID ($pid). I am trying to modify I page that I already had working that simply stored the quantity and product ID. Help please???

 

<?php

 

include_once ('includes/header.html');

 

echo '<body>';

 

include ('includes/menu.html');

 

//check adding to cart

if (is_numeric ($_POST['pid'])) {

            //These are the variables I am posting to the page and need to store against the SESSION[cart] array

$pid= $_POST['pid'];

$colour = $_POST['pid'];

$size = $_POST['size'];

echo "{$_SESSION['cart'][$pid]}";

 

//Check cart already contains one of these products

if (isset ($_SESSION['cart'][$pid])) {

$qty = $_SESSION['cart'][$pid] + 1;

} else {

$qty = 1;

}

 

//Add to the cart session variable

$_SESSION['cart'][$pid] = $qty;

 

}

 

//Check if the form has been submitted (to update cart).

if (isset ($_POST['submit'])) {

foreach ($_POST['qty'] as $key => $value) {

if (($value == 0) AND (is_numeric ($value))) {

unset ($_SESSION['cart'][$key]);

} elseif (is_numeric($value) AND ($value > 0) ) {

$_SESSION['cart'][$key] = $value;

}

}

}

 

//Check if empty

$empty = TRUE;

if (isset ($_SESSION['cart'])) {

foreach ($_SESSION['cart'] as $key => $value) {

if (isset($value)) {

$empty = FALSE;

}

}

}

 

 

//Cart not empty

if (!$empty) {

 

require_once ('includes/config.inc');

 

require_once('includes/mysql_connect.php');

 

//Retrieve information

$query = 'SELECT * FROM garments WHERE product_id IN (';

foreach ($_SESSION['cart'] as $key => $value) {

$query .= $key . ',';

}

$query = substr ($query, 0, -1) . ') ORDER BY style';

echo $query;

$result = mysql_query($query);

 

//Create table & form

echo '<table border="0" width="60%" cellspacing="3" cellpadding="3">

<tr>

<td align="left" width="30%"><b><u>Product Name</u></b></td>

<td align="left" width="10%"><b><u>Price</u></b></td>

<td align="left" width="10%"><b><u>Qty</u></b></td>

<td align="left" width="10%"><b><u>Total Price</u></b></td>

</tr>

<form action="view_cart.php" method="POST">

';

 

//Print each item

$total = 0; //Total Cost of the order

while ($row = mysql_fetch_array ($result, MYSQL_ASSOC)) {

 

//Calculate the total and subtotals.

$subtotal = $_SESSION['cart'][$row['product_id']] * $row['price'];

$total += $subtotal;

 

//Print the row

echo " <tr>

<td align=\"left\">{$row['style']}</td>

<td align=\"left\">{$row['price']}</td>

<td align=\"left\"><input type=\"text\" size=\"3\" name=\"qty[{$row['product_id']}] \"

value=\"{$_SESSION['cart'][$row['product_id']]}\" /></td>

<td align=\"left\">£" . number_format($subtotal, 2) . "</td>\n

<td><td>{$row['product_id']}</tr>";

 

} //end while

 

//Close table

echo " <tr>

<td colspan=\"3\" align=\"right\"><b>Total:</b></td>

<td align=\"left\">£" . number_format($total, 2) . "</td>\n

</tr>

</table><div><input type=\"submit\" name=\"submit\" value=\"Update My Cart\"/></form>\n

<form action=\"checkout.php\" method=\"POST\">

<input type=\"hidden\" name=\"total\" value=" . number_format($total, 2) .">

<input type=\"submit\" name=\"submit\" value=\"Checkout\"></form></div>";

mysql_close();

?>

 

<?php

} else {

echo '<p>Your cart is currently empty.</p>';

}

 

include_once ('includes/footer.html');

 

?>

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