Delete by values, not keys
diff --git a/system/libraries/Cart.php b/system/libraries/Cart.php
index f5e85b7..8a2516f 100644
--- a/system/libraries/Cart.php
+++ b/system/libraries/Cart.php
@@ -353,14 +353,13 @@
// find updatable keys
$keys = array_intersect(array_keys($this->_cart_contents[$items['rowid']]), array_keys($items));
// if a price was passed, make sure it contains valid data
- if (isset($keys['price']))
+ if (isset($items['price']))
{
- $keys['price'] = (float) $keys['price'];
+ $items['price'] = (float) $items['price'];
}
// product name & id shouldn't be changed
- unset($keys['name']);
- unset($keys['id']);
+ $keys = array_diff($keys, array('id', 'name'));
foreach ($keys as $key)
{