woocommerce mini cart

functions.php

<?php 
// Ensure cart contents update when products 
// are added to the cart via AJAX
add_filter('add_to_cart_fragments', 'woocommerce_header_add_to_cart_fragment');
function woocommerce_header_add_to_cart_fragment( $fragments ) {
  global $woocommerce;
  ob_start();
  echo '<a class="cart-contents" href="' . $woocommerce->cart->get_cart_url() .'" title="' . __( 'View your shopping cart', 'drivdigital' ) .'">';
  echo sprintf( _n( '%d item', '%d items', $woocommerce->cart->cart_contents_count, 'drivdigital' ), $woocommerce->cart->cart_contents_count) . ' - ' . $woocommerce->cart->get_cart_total();
  echo '</a>';
  $fragments['a.cart-contents'] = ob_get_clean();
  return $fragments;
}