Очистка корзины за один клик - Разработки и улучшения

    function clearall(){
        $cart = JModelLegacy::getInstance('cart', 'jshop');
        $cart->load();
				$cart->clear();
        $this->setRedirect( SEFLink('index.php?option=com_jshopping&controller=cart&task=view',0,1) );
    }

$cart = JModel::getInstance('cart', 'jshop');

$cart = JModelLegacy::getInstance('cart', 'jshop');

<a href="<?php print JURI::base();?>index.php?option=com_jshopping&controller=cart&task=clearall" onclick="return confirm('Вы уверены?');">Очистить корзину</a>

function clearall(){        
	$cart = JModel::getInstance('cart', 'jshop');
	$cart->load();
	$cart->clear();	

	$user = JFactory::getUser();
	if ($user->id) {
		$db = JFactory::getDbo();
		$query = $db->getQuery(true);
		$query->delete("#__jshopping_cart_for_user");
		$query->where('user_id='.$user->id)->where('type_cart="'.$db->escape('cart').'"');
		$db->setQuery($query);
		$db->query();

		$session = JFactory::getSession();
		$session->set("cart", NULL);
	}  

	$this->setRedirect( SEFLink('index.php?option=com_jshopping&controller=cart&task=view',0,1) );
}