Add product to my cart problem

Tranceprofile · April 10, 2011

I got a problem guys, when I wanna add a product to my cart it wont add the product to my cart.

I get send to my cart and than there is no product.

http://www.esolarcharger.com/new

Product.php

<?php 
// Script Error Reporting
error_reporting(E_ALL);
ini_set('display_errors', '1');
?>
<?php 
// Check to see the URL variable is set and that it exists in the database
if (isset($_GET['id'])) {
// Connect to the MySQL database  
    include "storescripts/connect_to_mysql.php"; 
$id = preg_replace('#[^0-9]#i', '', $_GET['id']); 
// Use this var to check to see if this ID exists, if yes then get the product 
// details, if no then exit this script and give message why
$sql = mysql_query("SELECT * FROM products WHERE id='$id' LIMIT 1");
$productCount = mysql_num_rows($sql); // count the output amount
    if ($productCount > 0) {
	// get all the product details
	while($row = mysql_fetch_array($sql)){ 
		 $product_name = $row["product_name"];
		 $price = $row["price"];
		 $details = $row["details"];
		 $category = $row["category"];
		 $subcategory = $row["subcategory"];
		 $date_added = strftime("%b %d, %Y", strtotime($row["date_added"]));
         }

} else {
	echo "That item does not exist.";
    exit();
}

} else {
echo "Data to render this page is missing.";
exit();
}
mysql_close();
?>
<!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><?php echo $product_name; ?></title>
<link rel="stylesheet" href="style/style.css" type="text/css" media="screen" />
</head>
<body>
<div align="center" id="mainWrapper">
  <?php include_once("template_header.php");?>
  <div id="pageContent">
  <table width="100%" border="0" cellspacing="0" cellpadding="15">
  <tr>
    <td width="19%" valign="top"><img src="inventory_images/<?php echo $id; ?>.jpg" width="142" height="188" alt="<?php echo $product_name; ?>" /><br />
      <a href="inventory_images/<?php echo $id; ?>.jpg">View Full Size Image</a></td>
    <td width="81%" valign="top"><h3><?php echo $product_name; ?></h3>
      <p><?php echo "$".$price; ?><br />
      <br />
        <?php echo $details; ?>
<br />
        </p>
      <form id="form1" name="form1" method="post" action="cart.php">
        <input type="hidden" name="pid" id="pid" value="<?php echo $id; ?>" />
        <input type="submit" name="button" id="button" value="Add to Shopping Cart" />
      </form>
      </td>
    </tr>
</table>
  </div>
  <?php include_once("template_footer.php");?>
</div>
</body>
</html>

Cart.php

<?php 
ob_start(); // Start session first thing in script
// Script Error Reporting
error_reporting(E_ALL);
ini_set('display_errors', '1');
// Connect to the MySQL database  
include "storescripts/connect_to_mysql.php"; 
?>
<?php 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//       Section 1 (if user attempts to add something to the cart from the product page)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
if (isset($_POST['pid'])) {
    $pid = $_POST['pid'];
$wasFound = false;
$i = 0;
// If the cart session variable is not set or cart array is empty
if (!isset($_SESSION["cart_array"]) || count($_SESSION["cart_array"]) < 1) { 
    // RUN IF THE CART IS EMPTY OR NOT SET
	$_SESSION["cart_array"] = array(0 => array("item_id" => $pid, "quantity" => 1));
} else {
	// RUN IF THE CART HAS AT LEAST ONE ITEM IN IT
	foreach ($_SESSION["cart_array"] as $each_item) { 
	      $i++;
	      while (list($key, $value) = each($each_item)) {
			  if ($key == "item_id" && $value == $pid) {
				  // That item is in cart already so let's adjust its quantity using array_splice()
				  array_splice($_SESSION["cart_array"], $i-1, 1, array(array("item_id" => $pid, "quantity" => $each_item['quantity'] + 1)));
				  $wasFound = true;
			  } // close if condition
	      } // close while loop
       } // close foreach loop
	   if ($wasFound == false) {
		   array_push($_SESSION["cart_array"], array("item_id" => $pid, "quantity" => 1));
	   }
}
header("location: cart.php"); 
    exit();
}
?>
<?php 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//       Section 2 (if user chooses to empty their shopping cart)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
if (isset($_GET['cmd']) && $_GET['cmd'] == "emptycart") {
    unset($_SESSION["cart_array"]);
}
?>
<?php 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//       Section 3 (if user chooses to adjust item quantity)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
if (isset($_POST['item_to_adjust']) && $_POST['item_to_adjust'] != "") {
    // execute some code
$item_to_adjust = $_POST['item_to_adjust'];
$quantity = $_POST['quantity'];
$quantity = preg_replace('#[^0-9]#i', '', $quantity); // filter everything but numbers
if ($quantity >= 100) { $quantity = 99; }
if ($quantity < 1) { $quantity = 1; }
if ($quantity == "") { $quantity = 1; }
$i = 0;
foreach ($_SESSION["cart_array"] as $each_item) { 
	      $i++;
	      while (list($key, $value) = each($each_item)) {
			  if ($key == "item_id" && $value == $item_to_adjust) {
				  // That item is in cart already so let's adjust its quantity using array_splice()
				  array_splice($_SESSION["cart_array"], $i-1, 1, array(array("item_id" => $item_to_adjust, "quantity" => $quantity)));
			  } // close if condition
	      } // close while loop
} // close foreach loop
}
?>
<?php 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//       Section 4 (if user wants to remove an item from cart)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
if (isset($_POST['index_to_remove']) && $_POST['index_to_remove'] != "") {
    // Access the array and run code to remove that array index
	$key_to_remove = $_POST['index_to_remove'];
if (count($_SESSION["cart_array"]) <= 1) {
	unset($_SESSION["cart_array"]);
} else {
	unset($_SESSION["cart_array"]["$key_to_remove"]);
	sort($_SESSION["cart_array"]);
}
}
?>
<?php 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//       Section 5  (render the cart for the user to view on the page)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
$cartOutput = "";
$cartTotal = "";
$pp_checkout_btn = '';
$product_id_array = '';
if (!isset($_SESSION["cart_array"]) || count($_SESSION["cart_array"]) < 1) {
    $cartOutput = "<h2 align='center'>Your shopping cart is empty</h2>";
} else {
// Start PayPal Checkout Button
$pp_checkout_btn .= '<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
    <input type="hidden" name="cmd" value="_cart">
    <input type="hidden" name="upload" value="1">
    <input type="hidden" name="business" value="support@tranceprofile.com">';
// Start the For Each loop
$i = 0; 
    foreach ($_SESSION["cart_array"] as $each_item) { 
	$item_id = $each_item['item_id'];
	$sql = mysql_query("SELECT * FROM products WHERE id='$item_id' LIMIT 1");
	while ($row = mysql_fetch_array($sql)) {
		$product_name = $row["product_name"];
		$price = $row["price"];
		$details = $row["details"];
	}
	$pricetotal = $price * $each_item['quantity'];
	$cartTotal = $pricetotal + $cartTotal;
	setlocale(LC_MONETARY, "en_US");
        $pricetotal = money_format("%10.2n", $pricetotal);
	// Dynamic Checkout Btn Assembly
	$x = $i + 1;
	$pp_checkout_btn .= '<input type="hidden" name="item_name_' . $x . '" value="' . $product_name . '">
        <input type="hidden" name="amount_' . $x . '" value="' . $price . '">
        <input type="hidden" name="quantity_' . $x . '" value="' . $each_item['quantity'] . '">  ';
	// Create the product array variable
	$product_id_array .= "$item_id-".$each_item['quantity'].","; 
	// Dynamic table row assembly
	$cartOutput .= "<tr>";
	$cartOutput .= '<td><a href="product.php?id=' . $item_id . '">' . $product_name . '</a><br /><img src="inventory_images/' . $item_id . '.jpg" alt="' . $product_name. '" width="40" height="52" border="1" /></td>';
	$cartOutput .= '<td>' . $details . '</td>';
	$cartOutput .= '<td>$' . $price . '</td>';
	$cartOutput .= '<td><form action="cart.php" method="post">
	<input name="quantity" type="text" value="' . $each_item['quantity'] . '" size="1" maxlength="2" />
	<input name="adjustBtn' . $item_id . '" type="submit" value="change" />
	<input name="item_to_adjust" type="hidden" value="' . $item_id . '" />
	</form></td>';
	//$cartOutput .= '<td>' . $each_item['quantity'] . '</td>';
	$cartOutput .= '<td>' . $pricetotal . '</td>';
	$cartOutput .= '<td><form action="cart.php" method="post"><input name="deleteBtn' . $item_id . '" type="submit" value="X" /><input name="index_to_remove" type="hidden" value="' . $i . '" /></form></td>';
	$cartOutput .= '</tr>';
	$i++; 
    } 
setlocale(LC_MONETARY, "en_US");
    $cartTotal = money_format("%10.2n", $cartTotal);
$cartTotal = "<div style='font-size:18px; margin-top:12px;' align='right'>Cart Total : ".$cartTotal." USD</div>";
    // Finish the Paypal Checkout Btn
$pp_checkout_btn .= '<input type="hidden" name="custom" value="' . $product_id_array . '">
<input type="hidden" name="notify_url" value="https://www.tranceprofile.com/storescripts/my_ipn.php">
<input type="hidden" name="return" value="https://www.tranceprofile.com/checkout_complete.php">
<input type="hidden" name="rm" value="2">
<input type="hidden" name="cbt" value="Return to The Store">
<input type="hidden" name="cancel_return" value="https://www.tranceprofile.com/paypal_cancel.php">
<input type="hidden" name="lc" value="US">
<input type="hidden" name="currency_code" value="USD">
<input type="image" src="http://www.paypal.com/en_US/i/btn/x-click-but01.gif" name="submit" alt="Make payments with PayPal - its fast, free and secure!">
</form>';
}
?>
<!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>Your Cart</title>
<link rel="stylesheet" href="style/style.css" type="text/css" media="screen" />
</head>
<body>
<div align="center" id="mainWrapper">
  <?php include_once("template_header.php");?>
  <div id="pageContent">
    <div style="margin:24px; text-align:left;">

    <br />
    <table width="100%" border="1" cellspacing="0" cellpadding="6">
      <tr>
        <td width="18%" bgcolor="#C5DFFA"><strong>Product</strong></td>
        <td width="45%" bgcolor="#C5DFFA"><strong>Product Description</strong></td>
        <td width="10%" bgcolor="#C5DFFA"><strong>Unit Price</strong></td>
        <td width="9%" bgcolor="#C5DFFA"><strong>Quantity</strong></td>
        <td width="9%" bgcolor="#C5DFFA"><strong>Total</strong></td>
        <td width="9%" bgcolor="#C5DFFA"><strong>Remove</strong></td>
      </tr>
     <?php echo $cartOutput; ?>
     <!-- <tr>
        <td> </td>
        <td> </td>
        <td> </td>
        <td> </td>
        <td> </td>
        <td> </td>
      </tr> -->
    </table>
    <?php echo $cartTotal; ?>
    <br />
<br />
<?php //echo $pp_checkout_btn; ?>
    <br />
    <br />
    <a href="cart.php?cmd=emptycart">Click Here to Empty Your Shopping Cart</a>
    </div>
   <br />
  </div>
  <?php include_once("template_footer.php");?>
</div>
</body>
</html>

Tranceprofile · April 11, 2011

.

Vel · April 11, 2011

ob_start() doesn't start your session. It starts buffering to stop any information other than headers being sent. You need to use ob_end_flush to release the buffered information. But as you want to initiate the session at the top of the script you don't need ob_start() at all AFAIK. Just replace ob_start() with session_start().

EDIT: I see you've put your code at the top that's why you have ob_start(). Why is all your code at the top of the page and not in the body section?

Tranceprofile · April 11, 2011

Thanks, Its fixed.

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