Show Shopping Cart Items And Totals In Magento

Get all items information in cart

$items = Mage::getModel('checkout/cart')->getQuote()->getAllItems();
 $items = Mage::getSingleton('checkout/session')->getQuote()->getAllItems();

foreach($items as $item) {
 echo 'ID: '.$item->getProductId().';
 echo 'Name: '.$item->getName().';
 echo 'Sku: '.$item->getSku().';
 echo 'Quantity: '.$item->getQty().';
 echo 'Price: '.$item->getPrice().';
 }

Get total items and total quantity in cart

$totalItems = Mage::getModel('checkout/cart')->getQuote()->getItemsCount();
 $totalQuantity = Mage::getModel('checkout/cart')->getQuote()->getItemsQty();

Get subtotal and grand total price of cart

$subTotal = Mage::getModel('checkout/cart')->getQuote()->getSubtotal();
 $grandTotal = Mage::getModel('checkout/cart')->getQuote()->getGrandTotal();

Hope it helps, Thanks for your reading so keep reading.