Thread: How to add amount of items in shopping cart? Need urgent help!
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mirainc mirainc is offline Offline
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Re: How to add amount of items in shopping cart? Need urgent help!

 
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  #3
Jan 14th, 2009
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Originally Posted by humbug View Post
Are you using a session to store the stuff in the cart or what? I'd suggest creating a session for the user with the following variables:

array $quantity
array $product

each element of those arrays will contain the info for an item. ($quantity[0] has the quantity of the first item and $product[0] has the name or item number or id of the product).
Hey there.
Here's a code to my shopping cart

<?php require_once('../Connections/myDatabase.php'); ?>
<?php session_start(); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;

  $theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);

  switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;    
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
      break;
  }
  return $theValue;
}
}


if ((isset($_POST['cartid'])) && ($_POST['cartid'] != "")) {
  $deleteSQL = sprintf("DELETE FROM cart WHERE cartid=%s",
                       GetSQLValueString($_POST['cartid'], "int"));

  mysql_select_db($database_myDatabase, $myDatabase);
  $Result1 = mysql_query($deleteSQL, $myDatabase) or die(mysql_error());

  $deleteGoTo = "DeleteSuccessfully.php";
  if (isset($_SERVER['QUERY_STRING'])) {
    $deleteGoTo .= (strpos($deleteGoTo, '?')) ? "&" : "?";
    $deleteGoTo .= $_SERVER['QUERY_STRING'];
  }
  header(sprintf("Location: %s", $deleteGoTo));
}

mysql_select_db($database_myDatabase, $myDatabase);
$query_Cart = "SELECT * FROM cart";
$Cart = mysql_query($query_Cart, $myDatabase) or die(mysql_error());
$row_Cart = mysql_fetch_assoc($Cart);
$totalRows_Cart = mysql_num_rows($Cart);
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<link href="../eb-main.css" rel="stylesheet" type="text/css" />
<style type="text/css">
<!--
.style1 {color: #FFFFFF}
.style2 {font-size: small
}
body {
	background-color: #FFFFFF;
}
.style3 {color: #000000}
.style6 {font-size: 18px}
.style7 {color: #FFFFFF; font-size: medium; }
-->
</style>
</head>

<body>
<div id="wrapper">
  <div class="style1" id="banner">
    <div align="center">
      <p><img src="../Images/BooksInc Banner.jpg" width="751" height="300" /></p>
      <p>
        <map name="Map" id="Map">
          <area shape="rect" coords="2,0,145,63" href="../Pages/EventsMgt.html" />
          <area shape="rect" coords="154,0,283,63" href="../Pages/PA System.html" />
          <area shape="rect" coords="299,1,449,63" href="../Pages/RehearsalSuiteRental.html" />
          <area shape="rect" coords="651,-4,762,62" href="../Pages/BandTshirtDesign.html" />
        </map>
      <img src="../Images/BookHavenMenu.jpg" width="751" height="50" border="0" usemap="#Map2" />
<map name="Map2" id="Map2"><area shape="rect" coords="3,3,104,47" href="Home.php" />
<area shape="rect" coords="124,3,277,47" href="SelectUrBooks.php" />
<area shape="rect" coords="301,3,410,49" href="Transaction.php" />
</map></p>
    </div>
                                                                                 
    
                                                                                                                                                                             
    
                                                                                                                                                                                 
    
                                                                                                                                                                             
    
        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Welcome, {stranger!}</div>
               
        

  <p><span class="style2"><span class="style1"> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></p>
  

    <p align="right">    
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;    
    <a href="SelectUrBooks.php" class="style7">Continue Shopping</a>
<table width="83%" border="1">
      <?php do { ?>
      <form id="form1" name="form1" method="POST" action="">

        <tr>
          <td width="23%" scope="col"><span class="style6">
            <input name="cartid" type="hidden" id="cartid" value="<?php echo $row_Cart['cartid']; ?>" />
          <?php echo $row_Cart['title']; ?></span></td>
          <td width="23%" scope="col"><span class="style6"><?php echo $row_Cart['author']; ?></span></td>
          <td width="16%" scope="col"><span class="style6">$<?php echo $row_Cart['price']; ?></span></td>
          <td width="18%" scope="col"><span class="style6"><?php echo $row_Cart['category']; ?></span></td>
          <td width="5%" scope="col"><label>
            <input name="NoOfItems" type="text" id="NoOfItems" size="5" />
          </label></td>
          <td width="8%" scope="col"><input type="submit" name="Updatebtn" id="Updatebtn" value="Update" /></td>
          <td width="7%" scope="col"><label>
          <input type="submit" name="DeleteBtn" id="DeleteBtn" value="Delete" />
          </label></td>
        </tr>  </form>
        <?php } while ($row_Cart = mysql_fetch_assoc($Cart)); ?>
    </table>
  <p align="right">&nbsp;&nbsp;<span class="style6">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="ConfirmDelete.php"></a>      </span>
    &nbsp;&nbsp;&nbsp;
  
  <p> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p>

  <div class="style1" id="footer">
    <div align="center">
      <p class="style2">&nbsp;</p>
      <p class="style2">&nbsp;</p>
      <p class="style2">&nbsp;</p>
      <p class="style2">&nbsp;</p>
      <p class="style2">&nbsp;</p>
      <p class="style2">&nbsp;</p>
      <p class="style2"><span class="style3"><a href="Home.php">Home</a><span class="style1"> | </span><a href="SelectUrBooks.php">Select ur Books!</a> <span class="style1">| Transaction | Checkout | Transaction Summary</span></span></p>
      <p>&copy; Book Haven productions</p>
    </div>
  </div>
  </div>
</body>
</html>
<?php
mysql_free_result($Cart);
?>

If possible you could guide my through the steps cos im a beginner in PHP.
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