[eluser]Konfine[/eluser]
Code:
<?php
class MY_Cart extends CI_Cart
{
function __construct()
{
parent::CI_Cart();
}
function update_all($items = array())
{
// Was any cart data passed?
if ( ! is_array($items) OR count($items) == 0)
{
return false;
}
// You can either update a single product using a one-dimensional array,
// or multiple products using a multi-dimensional one. The way we
// determine the array type is by looking for a required array key named "rowid".
// If it's not found we assume it's a multi-dimensional array
if (isset($items['rowid']))
{
$this->_update_item($items);
}
else
{
foreach($items as $item)
{
$this->_update_item($item);
}
}
$this->_save_cart();
}
/*
* Function: _update_item
* Param: Array with a rowid and information about the item to be updated
* such as qty, name, price, custom fields.
*/
function _update_item($item)
{
foreach($item as $key => $value)
{
//don't allow them to change the rowid
if($key == 'rowid')
{
continue;
}
//do some processing if qty is
//updated since it has strict requirements
if($key == "qty")
{
// Prep the quantity
$item['qty'] = preg_replace('/([^0-9])/i', '', $item['qty']);
// Is the quantity a number?
if ( ! is_numeric($item['qty']))
{
continue;
}
// Is the new quantity different than what is already saved in the cart?
// If it's the same there's nothing to do
if ($this->_cart_contents[$item['rowid']]['qty'] == $item['qty'])
{
continue;
}
// Is the quantity zero? If so we will remove the item from the cart.
// If the quantity is greater than zero we are updating
if ($item['qty'] == 0)
{
unset($this->_cart_contents[$item['rowid']]);
continue;
}
}
$this->_cart_contents[$item['rowid']][$key] = $value;
}
}
}
