forshariq

<?php
class MyCompany_Catalog_Block_Product_List extends Mage_Catalog_Block_Product_List{
 /*override this function*/
 protected function _getProductCollection(){ 
 /*Add below line to add existing line of code to display stock in descending order*/ 
 $this->_productCollection = $layer->getProductCollection()->addAttributeToSort('created_at','DESC');
}
?>