commerce: quantity block

gistfile1.aw

/**
 * Implements hook_block_info().
 *
 * This hook declares what blocks are provided by the module.
 */
function stock_block_info() {
  $blocks['cart_quantity'] = array(
    'info' => t('Cart Quantiy'),
    'status' => TRUE,
  );

  return $blocks;
}

/**
 * Implements hook_block_view().
 *
 * This hook generates the contents of the blocks themselves.
 */
function stock_block_view($delta = '') {
  switch ($delta) {
    case 'cart_quantity':
    global $user;

    $order = commerce_cart_order_load($user->uid);
    if (empty($order) || empty($order->commerce_line_items)) {
      $block['subject'] = '';
      $block['content'] = '';
    } 
    else {
    $wrapper = entity_metadata_wrapper('commerce_order', $order);
    $line_items = $wrapper->commerce_line_items;
    $total = commerce_line_items_total($line_items);
    $currency = commerce_currency_load($total['currency_code']);
    $quantity = commerce_line_items_quantity($line_items, commerce_product_line_item_types());
    
      $block['subject'] = t("uppercase this please");
      $block['content'] = array(
    'subject' => '',
    'content' => array(
      '#markup' => '<p>' . $quantity . '</p>',
    ),
  );    
    }

  
  }
  return $block;
}