php - Mangento - How to get total discount amount of Coupon Code for all items in the cart -


i'm using magento 1.9.0.1 , here code on working on:

     $quote2 = mage::getsingleton('checkout/session')->getquote();          foreach ($quote2->getallitems() $item){               $discounttotal = $item->getdiscountamount();          }

this code giving me amount discounted coupon code of first item in cart current session.

the problem code giving me amount discounted first item not items in cart current session.

so have 2 questions:

  1. how can total discount amount items cart current session ?
  2. how can total discount amount completed order ?

thanks in advance!


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