/**
* Add a new filter to the the Twig instance
*
* @param Varien_Event_Observer $observer
*/
public function addSortArray($observer)
{
$twig = $observer->getTwig();
$policy = $observer->getPolicy();
$this->_adapter = $observer->getAdapter();
$policy->setAllowedFilter('sort_array');
$filter = new Twig_SimpleFilter('sort_array', array($this, 'sortArray'));
$twig->addFilter($filter);
}
/**
* Add a new filter to the the Twig instance
*
* @param Varien_Event_Observer $observer
*/
public function addUnserializeString($observer)
{
$twig = $observer->getTwig();
$policy = $observer->getPolicy();
$this->_adapter = $observer->getAdapter();
$policy->setAllowedFilter('unserialize_string');
$filter = new Twig_SimpleFilter('unserialize_string', array($this, 'unserializeString'));
$twig->addFilter($filter);
}
