add_action( 'init', 'register_cpt_dania' );
    function register_cpt_dania() {
    $labels = array(
    'name' => _x( 'Dania', 'dania' ),
    'singular_name' => _x( 'Dania', 'dania' ),
    'add_new' => _x( 'Dodaj Danie', 'dania' ),
    'add_new_item' => _x( 'Dodaj Danie', 'dania' ),
    'edit_item' => _x( 'Edytuj Dania', 'dania' ),
    'new_item' => _x( 'Nowe Danie', 'dania' ),
    'view_item' => _x( 'Zobacz Danie', 'dania' ),
    'search_items' => _x( 'Szukaj Dania', 'dania' ),
    'not_found' => _x( 'Nie znaleziono dania', 'dania' ),
    'not_found_in_trash' => _x( 'Nie znaleziono dania w koszu', 'dania' ),
    'parent_item_colon' => _x( 'Rodzic Dania:', 'dania' ),
    'menu_name' => _x( 'Dania', 'dania' ),
    );
    $args = array(
    'labels' => $labels,
    'hierarchical' => true,
    'description' => 'Menu Szef Kuchni Poleca',
    'supports' => array( 'title', 'custom-fields', 'page-attributes' ),
    'public' => true,
    'show_ui' => true,
    'show_in_menu' => true,
    'menu_position' => 5,
    'show_in_nav_menus' => true,
    'publicly_queryable' => true,
    'exclude_from_search' => false,
    'has_archive' => true,
    'query_var' => true,
    'can_export' => true,
    'rewrite' => true,
    'capability_type' => 'page'
    );
    register_post_type( 'dania', $args );
    }