/**
 * Hide 'read more' buttons for out of stock items 
 */

if (!function_exists('woocommerce_template_loop_add_to_cart')) {

  function woocommerce_template_loop_add_to_cart() {

    global $product;
    if (! $product->is_in_stock() || ! $product->is_purchasable()) return;
    wc_get_template('loop/add-to-cart.php');

  }
}