WP-ecommerce :Item are not deleting from cart.

Hi,

I am using wp-ecommerce plugins and i ann trying to delete product from cart and this is not deleting.

Here is my code and website detail:
Url:http://108.166.87.229/AAB/

cart url:http://108.166.87.229/AAB/products-page/checkout/

I am trying to bulk delete from this plugins using cart item key but its not delete particulur item.

Here is code that i am using:

function remove_item($key) {
if(isset($this->cart_items[$key])) {
$cart_item =& $this->cart_items[$key];
$cart_item->update_item(0);
unset($this->cart_items[$key]);
$this->cart_items = array_values($this->cart_items);
$this->cart_item_count = count($this->cart_items);
$this->current_cart_item = -1;
do_action( ‘wpsc_remove_item’, $key, $this );

$this->clear_cache();
return true;
} else {
$this->clear_cache();
return false;
}

}

////////////

function removeProductItem()
{
global $wpsc_cart, $wpdb;
$purchaseLog = $wpsc_cart->log_id;

$allProductID = $_REQUEST[‘removeListPID’];

$arrProductID = explode(‘,’,$allProductID);
$allKey = $_REQUEST[‘removeListID’];

$arrCartKey = explode(‘,’,$allKey);
$arrF = array();

foreach($wpsc_cart->cart_items as $pKey=>$cartKey)
{
if(in_array($cartKey->product_id,$arrProductID)){

if($wpsc_cart->remove_item($pKey))
{

}
else {

$arrF[] = $pKey;
}
//echo $pKey.”
ums”;
}
}
if(count($arrF)>0){
foreach($arrF as $fval)
{

$wpsc_cart->remove_item($pKey);

}
}
$wpsc_cart->clear_cache();

//$wpsc_cart->remove_item(0);
header(‘Location:’.site_url().’/products-page/checkout’);
exit;

}

https://wordpress.org/plugins/wp-e-commerce/