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I am integrating the custom module of custom payment gateway. I need the cart total on the checkout page for the price conversion before the payment.

How can I get the Cart total in JS or in the custom controller? Thanks in advance.

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Try this:

$objectManager = \Magento\Framework\App\ObjectManager::getInstance(); 
$cart = $objectManager->get('\Magento\Checkout\Model\Cart');    
$totalItems = $cart->getQuote()->getItemsCount(); 
$totalQuantity = $cart->getQuote()->getItemsQty();
$grandTotal = $cart->getQuote()->getGrandTotal();

Hope it works for you..!!

  • with this code, no need to add object manager, because I already defined OM in above code. – temper Nov 11 at 8:16
  • Thanks, this function get the total. $grandTotal = $cart->getQuote()->getGrandTotal(); – Garry Nov 11 at 10:32

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