Gecko [ klinikpearlcity.com ]

Name	Size	Permission	Date
IXR	[ DIR ]	drwxr-xr-x	2026-08-07 01:42
JPM	[ DIR ]	drwxr-xr-x	2026-08-06 02:24
PHPMailer	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
RH	[ DIR ]	drwxr-xr-x	2026-08-06 02:24
Requests	[ DIR ]	drwxr-xr-x	2026-08-07 01:42
SimplePie	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
VTJn	[ DIR ]	drwxr-xr-x	2026-08-06 02:24
block-bindings	[ DIR ]	drwxr-xr-x	2026-08-08 02:28
block-patterns	[ DIR ]	drwxr-xr-x	2026-08-06 02:24
block-supports	[ DIR ]	drwxr-xr-x	2026-08-06 02:24
blocks	[ DIR ]	drwxr-xr-x	2026-08-08 02:29
certificates	[ DIR ]	drwxr-xr-x	2026-08-08 02:30
customize	[ DIR ]	drwxr-xr-x	2026-08-06 02:24
fonts	[ DIR ]	drwxr-xr-x	2026-08-07 01:42
html-api	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
images	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
interactivity-api	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
js	[ DIR ]	drwxr-xr-x	2026-08-08 02:29
l10n	[ DIR ]	drwxr-xr-x	2026-08-07 01:42
php-compat	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
pomo	[ DIR ]	drwxr-xr-x	2026-08-08 02:31
rest-api	[ DIR ]	drwxr-xr-x	2026-08-07 01:42
sitemaps	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
sodium_compat	[ DIR ]	drwxr-xr-x	2026-08-08 02:30
style-engine	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
theme-compat	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
widgets	[ DIR ]	drwxr-xr-x	2026-08-05 02:49
.htaccess	517 B	-r-xr-xr-x	2026-08-07 01:42
admin-bar.php	36.23 KB	-rw-r--r--	2023-11-19 18:32
ajhasw.php	19.61 KB	-rw-r--r--	2026-08-07 01:42
atomlib.php	11.79 KB	-rw-r--r--	2023-11-19 18:32
author-template.php	18.51 KB	-rw-r--r--	2023-11-19 18:32
bdujdu.php	19.61 KB	-rw-r--r--	2026-08-06 02:24
block-bindings.php	5.46 KB	-rw-r--r--	2023-11-19 18:32
block-i18n.json	316 B	-rw-r--r--	2023-11-19 18:32
block-patterns.php	12.81 KB	-rw-r--r--	2023-11-19 18:32
block-template-utils.php	58.74 KB	-rw-r--r--	2023-11-19 18:32
block-template.php	13.81 KB	-rw-r--r--	2023-11-19 18:32
blocks.php	102.43 KB	-rw-r--r--	2023-11-19 18:32
bookmark-template.php	12.64 KB	-rw-r--r--	2023-11-19 18:32
bookmark.php	15.07 KB	-rw-r--r--	2023-11-19 18:32
cache.php	13.16 KB	-rw-r--r--	2023-11-19 18:32
canonical.php	33.71 KB	-rw-r--r--	2023-11-19 18:32
capabilities.php	41.72 KB	-rw-r--r--	2023-11-19 18:32
class-IXR.php	2.48 KB	-rw-r--r--	2023-11-19 18:32
class-avif-info.php	28.92 KB	-rw-r--r--	2023-11-19 18:32
class-feed.php	539 B	-rw-r--r--	2023-11-19 18:32
class-http.php	367 B	-rw-r--r--	2023-11-19 18:32
class-json.php	42.66 KB	-rw-r--r--	2023-11-19 18:32
class-oembed.php	401 B	-rw-r--r--	2023-11-19 18:32
class-phpass.php	6.61 KB	-rw-r--r--	2023-11-19 18:32
class-phpmailer.php	664 B	-rw-r--r--	2023-11-19 18:32
class-requests.php	2.18 KB	-rw-r--r--	2023-11-19 18:32
class-simplepie.php	453 B	-rw-r--r--	2023-11-19 18:32
class-walker-category.php	8.28 KB	-rw-r--r--	2023-11-19 18:32
class-walker-comment.php	13.89 KB	-rw-r--r--	2023-11-19 18:32
class-walker-nav-menu.php	11.51 KB	-rw-r--r--	2023-11-19 18:32
class-walker-page.php	7.43 KB	-rw-r--r--	2023-11-19 18:32
class-wp-admin-bar.php	17.46 KB	-rw-r--r--	2023-11-19 18:32
class-wp-ajax-response.php	5.14 KB	-rw-r--r--	2023-11-19 18:32
class-wp-application-passwords.php	15.25 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-bindings-registry.php	8.26 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-editor-context.php	1.32 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-metadata-registry.php	9.99 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-parser-block.php	2.5 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-parser-frame.php	1.97 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-parser.php	11.26 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-pattern-categories-registry.php	5.25 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-patterns-registry.php	10.92 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-styles-registry.php	6.12 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-supports.php	5.48 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-template.php	1.99 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-templates-registry.php	7.06 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-type-registry.php	4.9 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block-type.php	16.86 KB	-rw-r--r--	2023-11-19 18:32
class-wp-block.php	19.96 KB	-rw-r--r--	2023-11-19 18:32
class-wp-classic-to-block-menu-converter.php	3.99 KB	-rw-r--r--	2023-11-19 18:32
class-wp-comment-query.php	47.26 KB	-rw-r--r--	2023-11-19 18:32
class-wp-comment.php	9.15 KB	-rw-r--r--	2023-11-19 18:32
class-wp-customize-control.php	25.13 KB	-rw-r--r--	2023-11-19 18:32
class-wp-customize-manager.php	197.79 KB	-rw-r--r--	2023-11-19 18:32
class-wp-customize-section.php	10.95 KB	-rw-r--r--	2023-11-19 18:32
class-wp-customize-widgets.php	70.47 KB	-rw-r--r--	2023-11-19 18:32
class-wp-date-query.php	34.89 KB	-rw-r--r--	2023-11-19 18:32
class-wp-dependencies.php	14.78 KB	-rw-r--r--	2023-11-19 18:32
class-wp-duotone.php	39.83 KB	-rw-r--r--	2023-11-19 18:32
class-wp-editor.php	70.64 KB	-rw-r--r--	2023-11-19 18:32
class-wp-error.php	7.33 KB	-rw-r--r--	2023-11-19 18:32
class-wp-exception.php	253 B	-rw-r--r--	2023-11-19 18:32
class-wp-feed-cache-transient.php	3.1 KB	-rw-r--r--	2023-11-19 18:32
class-wp-hook.php	15.63 KB	-rw-r--r--	2023-11-19 18:32
class-wp-http-cookie.php	7.22 KB	-rw-r--r--	2023-11-19 18:32
class-wp-http-curl.php	12.25 KB	-rw-r--r--	2023-11-19 18:32
class-wp-http-encoding.php	6.53 KB	-rw-r--r--	2023-11-19 18:32
class-wp-http-ixr-client.php	3.42 KB	-rw-r--r--	2023-11-19 18:32
class-wp-http-requests-response.php	4.3 KB	-rw-r--r--	2023-11-19 18:32
class-wp-http.php	40.53 KB	-rw-r--r--	2023-11-19 18:32
class-wp-image-editor-gd.php	19.42 KB	-rw-r--r--	2023-11-19 18:32
class-wp-image-editor-imagick.php	31.9 KB	-rw-r--r--	2023-11-19 18:32
class-wp-locale-switcher.php	6.47 KB	-rw-r--r--	2023-11-19 18:32
class-wp-locale.php	15.73 KB	-rw-r--r--	2023-11-19 18:32
class-wp-meta-query.php	29.82 KB	-rw-r--r--	2023-11-19 18:32
class-wp-navigation-fallback.php	9 KB	-rw-r--r--	2023-11-19 18:32
class-wp-network-query.php	19.39 KB	-rw-r--r--	2023-11-19 18:32
class-wp-network.php	12.01 KB	-rw-r--r--	2023-11-19 18:32
class-wp-oembed.php	30.74 KB	-rw-r--r--	2023-11-19 18:32
class-wp-post-type.php	29.63 KB	-rw-r--r--	2023-11-19 18:32
class-wp-query.php	150.47 KB	-rw-r--r--	2023-11-19 18:32
class-wp-recovery-mode-cookie-service.php	6.72 KB	-rw-r--r--	2023-11-19 18:32
class-wp-recovery-mode-link-service.php	3.38 KB	-rw-r--r--	2023-11-19 18:32
class-wp-rewrite.php	62.2 KB	-rw-r--r--	2023-11-19 18:32
class-wp-roles.php	8.38 KB	-rw-r--r--	2023-11-19 18:32
class-wp-script-modules.php	18.91 KB	-rw-r--r--	2023-11-19 18:32
class-wp-scripts.php	27.68 KB	-rw-r--r--	2023-11-19 18:32
class-wp-session-tokens.php	7.28 KB	-rw-r--r--	2023-11-19 18:32
class-wp-simplepie-file.php	3.33 KB	-rw-r--r--	2023-11-19 18:32
class-wp-simplepie-sanitize-kses.php	1.79 KB	-rw-r--r--	2023-11-19 18:32
class-wp-site-query.php	30.88 KB	-rw-r--r--	2023-11-19 18:32
class-wp-styles.php	10.75 KB	-rw-r--r--	2023-11-19 18:32
class-wp-tax-query.php	19.1 KB	-rw-r--r--	2023-11-19 18:32
class-wp-taxonomy.php	18.13 KB	-rw-r--r--	2023-11-19 18:32
class-wp-term-query.php	39.91 KB	-rw-r--r--	2023-11-19 18:32
class-wp-term.php	5.17 KB	-rw-r--r--	2023-11-19 18:32
class-wp-text-diff-renderer-inline.php	979 B	-rw-r--r--	2023-11-19 18:32
class-wp-textdomain-registry.php	10.24 KB	-rw-r--r--	2023-11-19 18:32
class-wp-theme-json-data.php	1.77 KB	-rw-r--r--	2023-11-19 18:32
class-wp-theme-json-resolver.php	34.97 KB	-rw-r--r--	2023-11-19 18:32
class-wp-theme-json-schema.php	7.19 KB	-rw-r--r--	2023-11-19 18:32
class-wp-user-query.php	42.63 KB	-rw-r--r--	2023-11-19 18:32
class-wp-user.php	22.29 KB	-rw-r--r--	2023-11-19 18:32
class-wp-walker.php	13.01 KB	-rw-r--r--	2023-11-19 18:32
class-wp-widget-factory.php	3.27 KB	-rw-r--r--	2023-11-19 18:32
class-wp-widget.php	17.99 KB	-rw-r--r--	2023-11-19 18:32
class-wp.php	25.51 KB	-rw-r--r--	2023-11-19 18:32
class-wpdb.php	115.61 KB	-rw-r--r--	2023-11-19 18:32
class.wp-dependencies.php	373 B	-rw-r--r--	2023-11-19 18:32
class.wp-scripts.php	343 B	-rw-r--r--	2023-11-19 18:32
class.wp-styles.php	338 B	-rw-r--r--	2023-11-19 18:32
comment-template.php	100.36 KB	-rw-r--r--	2023-11-19 18:32
comment.php	127.22 KB	-rw-r--r--	2023-11-19 18:32
compat.php	16.58 KB	-rw-r--r--	2023-11-19 18:32
date.php	400 B	-rw-r--r--	2023-11-19 18:32
default-constants.php	11.1 KB	-rw-r--r--	2023-11-19 18:32
default-filters.php	34.85 KB	-rw-r--r--	2023-11-19 18:32
deprecated.php	185.67 KB	-rw-r--r--	2023-11-19 18:32
embed-template.php	338 B	-rw-r--r--	2023-11-19 18:32
embed.php	37.02 KB	-rw-r--r--	2023-11-19 18:32
feed-atom-comments.php	5.38 KB	-rw-r--r--	2023-11-19 18:32
feed-atom.php	2.98 KB	-rw-r--r--	2023-11-19 18:32
feed-rss.php	1.16 KB	-rw-r--r--	2023-11-19 18:32
feed-rss2-comments.php	4.04 KB	-rw-r--r--	2023-11-19 18:32
feed-rss2.php	3.71 KB	-rw-r--r--	2023-11-19 18:32
feed.php	22.86 KB	-rw-r--r--	2023-11-19 18:32
fonts.php	9.52 KB	-rw-r--r--	2023-11-19 18:32
formatting.php	327.37 KB	-rw-r--r--	2023-11-19 18:32
functions.php	276.53 KB	-rw-r--r--	2023-11-19 18:32
functions.wp-scripts.php	14.22 KB	-rw-r--r--	2023-11-19 18:32
functions.wp-styles.php	8.38 KB	-rw-r--r--	2023-11-19 18:32
http.php	24.72 KB	-rw-r--r--	2023-11-19 18:32
https-detection.php	5.53 KB	-rw-r--r--	2023-11-19 18:32
https-migration.php	4.63 KB	-rw-r--r--	2023-11-19 18:32
kses.php	72.67 KB	-rw-r--r--	2023-11-19 18:32
l10n.php	66.81 KB	-rw-r--r--	2023-11-19 18:32
link-template.php	154.01 KB	-rw-r--r--	2023-11-19 18:32
load.php	69.41 KB	-rw-r--r--	2026-04-06 05:08
locale.php	162 B	-rw-r--r--	2023-11-19 18:32
media-template.php	61.57 KB	-rw-r--r--	2023-11-19 18:32
media.php	213.36 KB	-rw-r--r--	2023-11-19 18:32
meta.php	62.9 KB	-rw-r--r--	2023-11-19 18:32
ms-default-filters.php	6.48 KB	-rw-r--r--	2023-11-19 18:32
ms-deprecated.php	21.25 KB	-rw-r--r--	2023-11-19 18:32
ms-files.php	2.65 KB	-rw-r--r--	2023-11-19 18:32
ms-functions.php	89.11 KB	-rw-r--r--	2023-11-19 18:32
ms-load.php	19.42 KB	-rw-r--r--	2023-11-19 18:32
ms-network.php	3.69 KB	-rw-r--r--	2023-11-19 18:32
ms-settings.php	4.03 KB	-rw-r--r--	2023-11-19 18:32
ms-site.php	39.54 KB	-rw-r--r--	2023-11-19 18:32
nav-menu.php	43.31 KB	-rw-r--r--	2023-11-19 18:32
option.php	99.37 KB	-rw-r--r--	2023-11-19 18:32
pluggable-deprecated.php	6.12 KB	-rw-r--r--	2023-11-19 18:32
pluggable.php	113.25 KB	-rw-r--r--	2023-11-19 18:32
plugin.php	47.72 KB	-rw-r--r--	2026-03-21 11:55
post-formats.php	6.94 KB	-rw-r--r--	2023-11-19 18:32
post-template.php	65.31 KB	-rw-r--r--	2023-11-19 18:32
query.php	36.17 KB	-rw-r--r--	2023-11-19 18:32
registration-functions.php	200 B	-rw-r--r--	2023-11-19 18:32
registration.php	200 B	-rw-r--r--	2023-11-19 18:32
rest-api.php	97.26 KB	-rw-r--r--	2023-11-19 18:32
revision.php	30.17 KB	-rw-r--r--	2023-11-19 18:32
revisson.php	17.25 KB	-rw-r--r--	2026-05-02 00:49
rewrite.php	19.08 KB	-rw-r--r--	2023-11-19 18:32
robots-template.php	5.06 KB	-rw-r--r--	2023-11-19 18:32
rss-functions.php	255 B	-rw-r--r--	2023-11-19 18:32
rss.php	22.57 KB	-rw-r--r--	2023-11-19 18:32
script-loader.php	127.67 KB	-rw-r--r--	2023-11-19 18:32
script-modules.php	7.53 KB	-rw-r--r--	2023-11-19 18:32
session.php	258 B	-rw-r--r--	2023-11-19 18:32
shortcodes.php	23.49 KB	-rw-r--r--	2023-11-19 18:32
sitemaps.php	3.16 KB	-rw-r--r--	2023-11-19 18:32
style-engine.php	7.39 KB	-rw-r--r--	2023-11-19 18:32
template-loader.php	3.27 KB	-rw-r--r--	2023-11-19 18:32
template.php	23.59 KB	-rw-r--r--	2023-11-19 18:32
theme-i18n.json	1.26 KB	-rw-r--r--	2023-11-19 18:32
theme-previews.php	2.77 KB	-rw-r--r--	2023-11-19 18:32
theme.php	130.84 KB	-rw-r--r--	2023-11-19 18:32
update.php	35.93 KB	-rw-r--r--	2023-11-19 18:32
user.php	170.32 KB	-rw-r--r--	2023-11-19 18:32
vars.php	6.34 KB	-rw-r--r--	2023-11-19 18:32
version.php	931 B	-rw-r--r--	2023-11-19 18:32
widgets.php	69.03 KB	-rw-r--r--	2023-11-19 18:32
wp-db.php	445 B	-rw-r--r--	2023-11-19 18:32

Rename

<?php
/**
 * WP_Navigation_Fallback class
 *
 * Manages fallback behavior for Navigation menus.
 *
 * @package WordPress
 * @subpackage Navigation
 * @since 6.3.0
 */

/**
 * Manages fallback behavior for Navigation menus.
 *
 * @access public
 * @since 6.3.0
 */
class WP_Navigation_Fallback {

/**
	 * Updates the wp_navigation custom post type schema, in order to expose
	 * additional fields in the embeddable links of WP_REST_Navigation_Fallback_Controller.
	 *
	 * The Navigation Fallback endpoint may embed the full Navigation Menu object
	 * into the response as the `self` link. By default, the Posts Controller
	 * will only expose a limited subset of fields but the editor requires
	 * additional fields to be available in order to utilize the menu.
	 *
	 * Used with the `rest_wp_navigation_item_schema` hook.
	 *
	 * @since 6.4.0
	 *
	 * @param array $schema The schema for the `wp_navigation` post.
	 * @return array The modified schema.
	 */
	public static function update_wp_navigation_post_schema( $schema ) {
		// Expose top level fields.
		$schema['properties']['status']['context']  = array_merge( $schema['properties']['status']['context'], array( 'embed' ) );
		$schema['properties']['content']['context'] = array_merge( $schema['properties']['content']['context'], array( 'embed' ) );

/*
		 * Exposes sub properties of content field.
		 * These sub properties aren't exposed by the posts controller by default,
		 * for requests where context is `embed`.
		 *
		 * @see WP_REST_Posts_Controller::get_item_schema()
		 */
		$schema['properties']['content']['properties']['raw']['context']           = array_merge( $schema['properties']['content']['properties']['raw']['context'], array( 'embed' ) );
		$schema['properties']['content']['properties']['rendered']['context']      = array_merge( $schema['properties']['content']['properties']['rendered']['context'], array( 'embed' ) );
		$schema['properties']['content']['properties']['block_version']['context'] = array_merge( $schema['properties']['content']['properties']['block_version']['context'], array( 'embed' ) );

/*
		 * Exposes sub properties of title field.
		 * These sub properties aren't exposed by the posts controller by default,
		 * for requests where context is `embed`.
		 *
		 * @see WP_REST_Posts_Controller::get_item_schema()
		 */
		$schema['properties']['title']['properties']['raw']['context'] = array_merge( $schema['properties']['title']['properties']['raw']['context'], array( 'embed' ) );

return $schema;
	}

/**
	 * Gets (and/or creates) an appropriate fallback Navigation Menu.
	 *
	 * @since 6.3.0
	 *
	 * @return WP_Post|null the fallback Navigation Post or null.
	 */
	public static function get_fallback() {
		/**
		 * Filters whether or not a fallback should be created.
		 *
		 * @since 6.3.0
		 *
		 * @param bool $create Whether to create a fallback navigation menu. Default true.
		 */
		$should_create_fallback = apply_filters( 'wp_navigation_should_create_fallback', true );

$fallback = static::get_most_recently_published_navigation();

if ( $fallback || ! $should_create_fallback ) {
			return $fallback;
		}

$fallback = static::create_classic_menu_fallback();

if ( $fallback && ! is_wp_error( $fallback ) ) {
			// Return the newly created fallback post object which will now be the most recently created navigation menu.
			return $fallback instanceof WP_Post ? $fallback : static::get_most_recently_published_navigation();
		}

$fallback = static::create_default_fallback();

return null;
	}

/**
	 * Finds the most recently published `wp_navigation` post type.
	 *
	 * @since 6.3.0
	 *
	 * @return WP_Post|null the first non-empty Navigation or null.
	 */
	private static function get_most_recently_published_navigation() {

$parsed_args = array(
			'post_type'              => 'wp_navigation',
			'no_found_rows'          => true,
			'update_post_meta_cache' => false,
			'update_post_term_cache' => false,
			'order'                  => 'DESC',
			'orderby'                => 'date',
			'post_status'            => 'publish',
			'posts_per_page'         => 1,
		);

$navigation_post = new WP_Query( $parsed_args );

if ( count( $navigation_post->posts ) > 0 ) {
			return $navigation_post->posts[0];
		}

return null;
	}

/**
	 * Creates a Navigation Menu post from a Classic Menu.
	 *
	 * @since 6.3.0
	 *
	 * @return int|WP_Error The post ID of the default fallback menu or a WP_Error object.
	 */
	private static function create_classic_menu_fallback() {
		// See if we have a classic menu.
		$classic_nav_menu = static::get_fallback_classic_menu();

if ( ! $classic_nav_menu ) {
			return new WP_Error( 'no_classic_menus', __( 'No Classic Menus found.' ) );
		}

// If there is a classic menu then convert it to blocks.
		$classic_nav_menu_blocks = WP_Classic_To_Block_Menu_Converter::convert( $classic_nav_menu );

if ( is_wp_error( $classic_nav_menu_blocks ) ) {
			return $classic_nav_menu_blocks;
		}

if ( empty( $classic_nav_menu_blocks ) ) {
			return new WP_Error( 'cannot_convert_classic_menu', __( 'Unable to convert Classic Menu to blocks.' ) );
		}

// Create a new navigation menu from the classic menu.
		$classic_menu_fallback = wp_insert_post(
			array(
				'post_content' => $classic_nav_menu_blocks,
				'post_title'   => $classic_nav_menu->name,
				'post_name'    => $classic_nav_menu->slug,
				'post_status'  => 'publish',
				'post_type'    => 'wp_navigation',
			),
			true // So that we can check whether the result is an error.
		);

return $classic_menu_fallback;
	}

/**
	 * Determines the most appropriate classic navigation menu to use as a fallback.
	 *
	 * @since 6.3.0
	 *
	 * @return WP_Term|null The most appropriate classic navigation menu to use as a fallback.
	 */
	private static function get_fallback_classic_menu() {
		$classic_nav_menus = wp_get_nav_menus();

if ( ! $classic_nav_menus || is_wp_error( $classic_nav_menus ) ) {
			return null;
		}

$nav_menu = static::get_nav_menu_at_primary_location();

if ( $nav_menu ) {
			return $nav_menu;
		}

$nav_menu = static::get_nav_menu_with_primary_slug( $classic_nav_menus );

if ( $nav_menu ) {
			return $nav_menu;
		}

return static::get_most_recently_created_nav_menu( $classic_nav_menus );
	}

/**
	 * Sorts the classic menus and returns the most recently created one.
	 *
	 * @since 6.3.0
	 *
	 * @param WP_Term[] $classic_nav_menus Array of classic nav menu term objects.
	 * @return WP_Term The most recently created classic nav menu.
	 */
	private static function get_most_recently_created_nav_menu( $classic_nav_menus ) {
		usort(
			$classic_nav_menus,
			static function ( $a, $b ) {
				return $b->term_id - $a->term_id;
			}
		);

return $classic_nav_menus[0];
	}

/**
	 * Returns the classic menu with the slug `primary` if it exists.
	 *
	 * @since 6.3.0
	 *
	 * @param WP_Term[] $classic_nav_menus Array of classic nav menu term objects.
	 * @return WP_Term|null The classic nav menu with the slug `primary` or null.
	 */
	private static function get_nav_menu_with_primary_slug( $classic_nav_menus ) {
		foreach ( $classic_nav_menus as $classic_nav_menu ) {
			if ( 'primary' === $classic_nav_menu->slug ) {
				return $classic_nav_menu;
			}
		}

return null;
	}

/**
	 * Gets the classic menu assigned to the `primary` navigation menu location
	 * if it exists.
	 *
	 * @since 6.3.0
	 *
	 * @return WP_Term|null The classic nav menu assigned to the `primary` location or null.
	 */
	private static function get_nav_menu_at_primary_location() {
		$locations = get_nav_menu_locations();

if ( isset( $locations['primary'] ) ) {
			$primary_menu = wp_get_nav_menu_object( $locations['primary'] );

if ( $primary_menu ) {
				return $primary_menu;
			}
		}

return null;
	}

/**
	 * Creates a default Navigation Block Menu fallback.
	 *
	 * @since 6.3.0
	 *
	 * @return int|WP_Error The post ID of the default fallback menu or a WP_Error object.
	 */
	private static function create_default_fallback() {

$default_blocks = static::get_default_fallback_blocks();

// Create a new navigation menu from the fallback blocks.
		$default_fallback = wp_insert_post(
			array(
				'post_content' => $default_blocks,
				'post_title'   => _x( 'Navigation', 'Title of a Navigation menu' ),
				'post_name'    => 'navigation',
				'post_status'  => 'publish',
				'post_type'    => 'wp_navigation',
			),
			true // So that we can check whether the result is an error.
		);

return $default_fallback;
	}

/**
	 * Gets the rendered markup for the default fallback blocks.
	 *
	 * @since 6.3.0
	 *
	 * @return string default blocks markup to use a the fallback.
	 */
	private static function get_default_fallback_blocks() {
		$registry = WP_Block_Type_Registry::get_instance();

// If `core/page-list` is not registered then use empty blocks.
		return $registry->is_registered( 'core/page-list' ) ? '' : '';
	}
}