block_core_navigation_get_first_non_empty_navigation

WordPress Version: 5.9

/**
 * Finds the first non-empty `wp_navigation` Post.
 *
 * @return WP_Post|null the first non-empty Navigation or null.
 */
function block_core_navigation_get_first_non_empty_navigation()
{
    // Order and orderby args set to mirror those in `wp_get_nav_menus`
    // see:
    // - https://github.com/WordPress/wordpress-develop/blob/ba943e113d3b31b121f77a2d30aebe14b047c69d/src/wp-includes/nav-menu.php#L613-L619.
    // - https://developer.wordpress.org/reference/classes/wp_query/#order-orderby-parameters.
    $parsed_args = array('post_type' => 'wp_navigation', 'no_found_rows' => true, 'order' => 'ASC', 'orderby' => 'name', 'post_status' => 'publish', 'posts_per_page' => 20);
    $navigation_posts = new WP_Query($parsed_args);
    foreach ($navigation_posts->posts as $navigation_post) {
        if (has_blocks($navigation_post)) {
            return $navigation_post;
        }
    }
    return null;
}