<?php include 'dcart.php'; dCart::getInstance('cart')->Remove(); dCart::getInstance('cart')->Add(array( 'id' => 1, 'name' => 'Pen', 'price' => 10, 'quantity' => 1 ) )->Add(array( 'id' => 1, 'name' => 'Pen', 'price' => 10, 'quantity' => 5 ) ); dCart::getInstance('cart')->Show();