add_filter( 'wpo_skip_add_to_cart_item', function ( $skip, $item ) {
  return isset($item['bundled_by']) ? true : $skip;
}, 10, 2 );

add_filter( 'wpo_is_child_cart_item', function ( $child, $item ) {
  return isset($item['bundled_by']) ? true : $child;
}, 10, 2 );

add_filter( 'wpo_search_product_types', function ( $types ) {
  $types[] = "bundle";
  return $types;
} );

add_filter('wpo_add_configured_products_skip_item', function ($skip, $item_data) {
  return isset($item_data['bundled_by']) ? true : $skip;
}, 10, 2);

add_filter('wpo_children_cart_item', function ($children, $item) {
  return isset($item['bundled_items']) ? $item['bundled_items'] : $children;
}, 10, 2);

add_filter('wpo_cart_item_is_price_readonly', function ($is_readonly, $item) {
  return isset($item['bundled_items']) ? true : $is_readonly;
}, 10, 2);

add_filter('wpo_get_item_by_product', function ($product, $item_data) {
  return array_merge($product, array(
    'stamp'     => isset($item_data['stamp']) ? $item_data['stamp'] : null,
    'readonly_price' => isset($item_data['readonly_price']) ? $item_data['readonly_price'] : null,
  ));
}, 10, 2);

add_filter('wpo_update_cart_loaded_product', function ($loaded_product, $item) {
  return array_merge($loaded_product, array(
    'stamp'     => isset($item['stamp']) ? $item['stamp'] : null,
    'readonly_price' => isset($item['readonly_price']) ? $item['readonly_price'] : null,
  ));
}, 10, 2);

add_filter('wpo_update_cart_cart_item_meta', function ($cart_item_meta, $item) {
  return array_merge($cart_item_meta, array(
    'stamp'     => isset($item['stamp']) ? $item['stamp'] : null,
    'readonly_price' => isset($item['readonly_price']) ? $item['readonly_price'] : null,
  ));
}, 10, 2);

add_filter('wpo_add_configured_products_item_data', function ($item_data, $cart_item_data, $cart_item_key, $wc_product) {
  if ( isset( $cart_item_data['bundled_items'] ) ) {
    $readonly_price = apply_filters( 'woocommerce_cart_item_price', WC()->cart->get_product_price( $wc_product ), $cart_item_data, $cart_item_key );
    if (preg_match('/<\/span>([\d|\.]+)?/i', $readonly_price, $matches)) {
      $item_data['readonly_price'] = $matches[1];
    }
  }
  return $item_data;
}, 10, 4);