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Name	Size	Permission
ID3	[ DIR ]	drwxr-xr-x
IXR	[ DIR ]	drwxr-xr-x
PHPMailer	[ DIR ]	drwxr-xr-x
Requests	[ DIR ]	drwxr-xr-x
SimplePie	[ DIR ]	drwxr-xr-x
Text	[ DIR ]	drwxr-xr-x
certificates	[ DIR ]	drwxr-xr-x
css	[ DIR ]	drwxr-xr-x
customize	[ DIR ]	drwxr-xr-x
images	[ DIR ]	drwxr-xr-x
js	[ DIR ]	drwxr-xr-x
pomo	[ DIR ]	drwxr-xr-x
random_compat	[ DIR ]	drwxr-xr-x
rest-api	[ DIR ]	drwxr-xr-x
theme-compat	[ DIR ]	drwxr-xr-x
widgets	[ DIR ]	drwxr-xr-x
admin-bar.php	29.03 KB	-rw-r--r--
atomlib.php	11.56 KB	-rw-r--r--
author-template.php	16.22 KB	-rw-r--r--
blocks.php	12.43 KB	-rw-r--r--
bookmark-template.php	11.64 KB	-rw-r--r--
bookmark.php	13.55 KB	-rw-r--r--
bootstrap.php	4.11 KB	-rw-r--r--
cache.php	21.35 KB	-rw-r--r--
canonical.php	27.83 KB	-rw-r--r--
capabilities.php	28.84 KB	-rw-r--r--
category-template.php	50.8 KB	-rw-r--r--
category.php	12.41 KB	-rw-r--r--
class-IXR.php	2.51 KB	-rw-r--r--
class-feed.php	523 B	-rw-r--r--
class-http.php	36.22 KB	-rw-r--r--
class-json.php	39.53 KB	-rw-r--r--
class-oembed.php	30.73 KB	-rw-r--r--
class-phpass.php	7.15 KB	-rw-r--r--
class-phpmailer.php	668 B	-rw-r--r--
class-pop3.php	20.43 KB	-rw-r--r--
class-requests.php	29.09 KB	-rw-r--r--
class-simplepie.php	87.17 KB	-rw-r--r--
class-smtp.php	461 B	-rw-r--r--
class-walker-category-dropdown...	2.07 KB	-rw-r--r--
class-walker-category.php	6.62 KB	-rw-r--r--
class-walker-comment.php	13.33 KB	-rw-r--r--
class-walker-nav-menu.php	8.38 KB	-rw-r--r--
class-walker-page-dropdown.php	2.24 KB	-rw-r--r--
class-walker-page.php	6.78 KB	-rw-r--r--
class-wp-admin-bar.php	16.08 KB	-rw-r--r--
class-wp-ajax-response.php	5.01 KB	-rw-r--r--
class-wp-block-parser.php	14.86 KB	-rw-r--r--
class-wp-block-type-registry.p...	4.63 KB	-rw-r--r--
class-wp-block-type.php	4.7 KB	-rw-r--r--
class-wp-comment-query.php	42.21 KB	-rw-r--r--
class-wp-comment.php	8.75 KB	-rw-r--r--
class-wp-customize-control.php	24.49 KB	-rw-r--r--
class-wp-customize-manager.php	195.47 KB	-rw-r--r--
class-wp-customize-nav-menus.p...	53.08 KB	-rw-r--r--
class-wp-customize-panel.php	9.42 KB	-rw-r--r--
class-wp-customize-section.php	9.99 KB	-rw-r--r--
class-wp-customize-setting.php	27.59 KB	-rw-r--r--
class-wp-dependency.php	2.28 KB	-rw-r--r--
class-wp-editor.php	66.27 KB	-rw-r--r--
class-wp-embed.php	14.38 KB	-rw-r--r--
class-wp-error.php	4.81 KB	-rw-r--r--
class-wp-feed-cache-transient....	2.5 KB	-rw-r--r--
class-wp-feed-cache.php	749 B	-rw-r--r--
class-wp-hook.php	13.77 KB	-rw-r--r--
class-wp-http-cookie.php	6.44 KB	-rw-r--r--
class-wp-http-curl.php	11.64 KB	-rw-r--r--
class-wp-http-encoding.php	6.35 KB	-rw-r--r--
class-wp-http-ixr-client.php	3.25 KB	-rw-r--r--
class-wp-http-proxy.php	5.92 KB	-rw-r--r--
class-wp-http-requests-hooks.p...	1.83 KB	-rw-r--r--
class-wp-http-requests-respons...	4.19 KB	-rw-r--r--
class-wp-http-response.php	2.8 KB	-rw-r--r--
class-wp-http-streams.php	15.02 KB	-rw-r--r--
class-wp-image-editor-gd.php	13.18 KB	-rw-r--r--
class-wp-image-editor-imagick....	21.27 KB	-rw-r--r--
class-wp-image-editor.php	11.49 KB	-rw-r--r--
class-wp-list-util.php	6.25 KB	-rw-r--r--
class-wp-locale-switcher.php	4.91 KB	-rw-r--r--
class-wp-locale.php	14.26 KB	-rw-r--r--
class-wp-matchesmapregex.php	1.76 KB	-rw-r--r--
class-wp-meta-query.php	22.86 KB	-rw-r--r--
class-wp-metadata-lazyloader.p...	5.26 KB	-rw-r--r--
class-wp-network-query.php	16.79 KB	-rw-r--r--
class-wp-network.php	11.93 KB	-rw-r--r--
class-wp-oembed-controller.php	5.88 KB	-rw-r--r--
class-wp-post-type.php	17.81 KB	-rw-r--r--
class-wp-post.php	6.28 KB	-rw-r--r--
class-wp-query.php	127.67 KB	-rw-r--r--
class-wp-rewrite.php	58.42 KB	-rw-r--r--
class-wp-role.php	2.6 KB	-rw-r--r--
class-wp-roles.php	8.13 KB	-rw-r--r--
class-wp-session-tokens.php	7.25 KB	-rw-r--r--
class-wp-simplepie-file.php	2.27 KB	-rw-r--r--
class-wp-simplepie-sanitize-ks...	1.73 KB	-rw-r--r--
class-wp-site-query.php	26.78 KB	-rw-r--r--
class-wp-site.php	7.13 KB	-rw-r--r--
class-wp-tax-query.php	18.81 KB	-rw-r--r--
class-wp-taxonomy.php	10.41 KB	-rw-r--r--
class-wp-term-query.php	33.84 KB	-rw-r--r--
class-wp-term.php	5.14 KB	-rw-r--r--
class-wp-text-diff-renderer-in...	716 B	-rw-r--r--
class-wp-text-diff-renderer-ta...	16.06 KB	-rw-r--r--
class-wp-theme.php	48.09 KB	-rw-r--r--
class-wp-user-meta-session-tok...	2.92 KB	-rw-r--r--
class-wp-user-query.php	30.49 KB	-rw-r--r--
class-wp-user.php	20.91 KB	-rw-r--r--
class-wp-walker.php	12.39 KB	-rw-r--r--
class-wp-widget-factory.php	3.69 KB	-rw-r--r--
class-wp-widget.php	17.41 KB	-rw-r--r--
class-wp-xmlrpc-server.php	202.08 KB	-rw-r--r--
class-wp.php	24.18 KB	-rw-r--r--
class.wp-dependencies.php	11.24 KB	-rw-r--r--
class.wp-scripts.php	17.4 KB	-rw-r--r--
class.wp-styles.php	9.61 KB	-rw-r--r--
comment-template.php	87.64 KB	-rw-r--r--
comment.php	111.72 KB	-rw-r--r--
compat.php	15.99 KB	-rw-r--r--
cron.php	30.82 KB	-rw-r--r--
date.php	34.34 KB	-rw-r--r--
default-constants.php	9.61 KB	-rw-r--r--
default-filters.php	24.76 KB	-rw-r--r--
default-widgets.php	2.13 KB	-rw-r--r--
embed.php	44.04 KB	-rw-r--r--
feed-atom-comments.php	5.33 KB	-rw-r--r--
feed-atom.php	3.09 KB	-rw-r--r--
feed-rdf.php	2.67 KB	-rw-r--r--
feed-rss.php	1.25 KB	-rw-r--r--
feed-rss2-comments.php	4.09 KB	-rw-r--r--
feed-rss2.php	3.77 KB	-rw-r--r--
feed.php	19.29 KB	-rw-r--r--
formatting.php	280.29 KB	-rw-r--r--
functions.php	210.22 KB	-rw-r--r--
functions.wp-scripts.php	12.53 KB	-rw-r--r--
functions.wp-styles.php	8.03 KB	-rw-r--r--
general-template.php	138.46 KB	-rw-r--r--
http.php	21.9 KB	-rw-r--r--
kses.php	57.23 KB	-rw-r--r--
l10n.php	50.67 KB	-rw-r--r--
link-template.php	135.4 KB	-rw-r--r--
load.php	36.4 KB	-rw-r--r--
media-template.php	46.33 KB	-rw-r--r--
media.php	141.33 KB	-rw-r--r--
meta.php	44.98 KB	-rw-r--r--
mime.php	39.54 KB	-rw-r--r--
nav-menu-template.php	21.2 KB	-rw-r--r--
nav-menu.php	39.57 KB	-rw-r--r--
open_basedir.php	21 B	-rw-r--r--
option.php	67.91 KB	-rw-r--r--
pluggable.php	97.52 KB	-rw-r--r--
plugin.php	31.37 KB	-rw-r--r--
post-formats.php	6.86 KB	-rw-r--r--
post-template.php	60.22 KB	-rw-r--r--
post-thumbnail-template.php	8.75 KB	-rw-r--r--
post.php	227.37 KB	-rw-r--r--
query.php	31.24 KB	-rw-r--r--
rest-api.php	40.67 KB	-rw-r--r--
revision.php	21.08 KB	-rw-r--r--
rewrite.php	17.27 KB	-rw-r--r--
robots-template.php	5.06 KB	-rw-r--r--
rss.php	22.66 KB	-rw-r--r--
script-loader.php	98.75 KB	-rw-r--r--
shortcodes.php	20.25 KB	-rw-r--r--
sitepad_functions.php	19.73 KB	-rw-r--r--
sitepad_functions2.php	21.99 KB	-rw-r--r--
spl-autoload-compat.php	2.51 KB	-rw-r--r--
taxonomy.php	152.95 KB	-rw-r--r--
template-loader.php	2.55 KB	-rw-r--r--
template.php	19.77 KB	-rw-r--r--
theme.php	99.09 KB	-rw-r--r--
update.php	24.81 KB	-rw-r--r--
user.php	120.69 KB	-rw-r--r--
vars.php	5.59 KB	-rw-r--r--
version.php	2.03 KB	-rw-r--r--
widgets.php	55.82 KB	-rw-r--r--
wlwmanifest.xml	1.03 KB	-rw-r--r--
wp-db.php	99.29 KB	-rw-r--r--
wp-diff.php	662 B	-rw-r--r--

Code Editor : nav-menu-template.php

<?php
/**
 * Nav Menu API: Template functions
 *
 * @package WordPress
 * @subpackage Nav_Menus
 * @since 3.0.0
 */

/** Walker_Nav_Menu class */
require_once ABSPATH . WPINC . '/class-walker-nav-menu.php';

/**
 * Displays a navigation menu.
 *
 * @since 3.0.0
 * @since 4.7.0 Added the `item_spacing` argument.
 *
 * @staticvar array $menu_id_slugs
 *
 * @param array $args {
 *     Optional. Array of nav menu arguments.
 *
 *     @type int|string|WP_Term $menu            Desired menu. Accepts a menu ID, slug, name, or object. Default empty.
 *     @type string             $menu_class      CSS class to use for the ul element which forms the menu. Default 'menu'.
 *     @type string             $menu_id         The ID that is applied to the ul element which forms the menu.
 *                                               Default is the menu slug, incremented.
 *     @type string             $container       Whether to wrap the ul, and what to wrap it with. Default 'div'.
 *     @type string             $container_class Class that is applied to the container. Default 'menu-{menu slug}-container'.
 *     @type string             $container_id    The ID that is applied to the container. Default empty.
 *     @type callable|bool      $fallback_cb     If the menu doesn't exists, a callback function will fire.
 *                                               Default is 'wp_page_menu'. Set to false for no fallback.
 *     @type string             $before          Text before the link markup. Default empty.
 *     @type string             $after           Text after the link markup. Default empty.
 *     @type string             $link_before     Text before the link text. Default empty.
 *     @type string             $link_after      Text after the link text. Default empty.
 *     @type bool               $echo            Whether to echo the menu or return it. Default true.
 *     @type int                $depth           How many levels of the hierarchy are to be included. 0 means all. Default 0.
 *     @type object             $walker          Instance of a custom walker class. Default empty.
 *     @type string             $theme_location  Theme location to be used. Must be registered with register_nav_menu()
 *                                               in order to be selectable by the user.
 *     @type string             $items_wrap      How the list items should be wrapped. Default is a ul with an id and class.
 *                                               Uses printf() format with numbered placeholders.
 *     @type string             $item_spacing    Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'. Default 'preserve'.
 * }
 * @return string|false|void Menu output if $echo is false, false if there are no items or no menu was found.
 */
function wp_nav_menu( $args = array() ) {
	static $menu_id_slugs = array();

$defaults = array(
		'menu'            => '',
		'container'       => 'div',
		'container_class' => '',
		'container_id'    => '',
		'menu_class'      => 'menu',
		'menu_id'         => '',
		'echo'            => true,
		'fallback_cb'     => 'wp_page_menu',
		'before'          => '',
		'after'           => '',
		'link_before'     => '',
		'link_after'      => '',
		'items_wrap'      => '<ul id="%1$s" class="%2$s">%3$s</ul>',
		'item_spacing'    => 'preserve',
		'depth'           => 0,
		'walker'          => '',
		'theme_location'  => '',
	);

$args = wp_parse_args( $args, $defaults );

if ( ! in_array( $args['item_spacing'], array( 'preserve', 'discard' ), true ) ) {
		// invalid value, fall back to default.
		$args['item_spacing'] = $defaults['item_spacing'];
	}

/**
	 * Filters the arguments used to display a navigation menu.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param array $args Array of wp_nav_menu() arguments.
	 */
	$args = apply_filters( 'wp_nav_menu_args', $args );
	$args = (object) $args;

/**
	 * Filters whether to short-circuit the wp_nav_menu() output.
	 *
	 * Returning a non-null value to the filter will short-circuit
	 * wp_nav_menu(), echoing that value if $args->echo is true,
	 * returning that value otherwise.
	 *
	 * @since 3.9.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param string|null $output Nav menu output to short-circuit with. Default null.
	 * @param stdClass    $args   An object containing wp_nav_menu() arguments.
	 */
	$nav_menu = apply_filters( 'pre_wp_nav_menu', null, $args );

if ( null !== $nav_menu ) {
		if ( $args->echo ) {
			echo $nav_menu;
			return;
		}

return $nav_menu;
	}

// Get the nav menu based on the requested menu
	$menu = wp_get_nav_menu_object( $args->menu );

// Get the nav menu based on the theme_location
	if ( ! $menu && $args->theme_location && ( $locations = get_nav_menu_locations() ) && isset( $locations[ $args->theme_location ] ) ) {
		$menu = wp_get_nav_menu_object( $locations[ $args->theme_location ] );
	}

// get the first menu that has items if we still can't find a menu
	if ( ! $menu && ! $args->theme_location ) {
		$menus = wp_get_nav_menus();
		foreach ( $menus as $menu_maybe ) {
			if ( $menu_items = wp_get_nav_menu_items( $menu_maybe->term_id, array( 'update_post_term_cache' => false ) ) ) {
				$menu = $menu_maybe;
				break;
			}
		}
	}

if ( empty( $args->menu ) ) {
		$args->menu = $menu;
	}

// If the menu exists, get its items.
	if ( $menu && ! is_wp_error( $menu ) && ! isset( $menu_items ) ) {
		$menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) );
	}

/*
	 * If no menu was found:
	 *  - Fall back (if one was specified), or bail.
	 *
	 * If no menu items were found:
	 *  - Fall back, but only if no theme location was specified.
	 *  - Otherwise, bail.
	 */
	if ( ( ! $menu || is_wp_error( $menu ) || ( isset( $menu_items ) && empty( $menu_items ) && ! $args->theme_location ) )
		&& isset( $args->fallback_cb ) && $args->fallback_cb && is_callable( $args->fallback_cb ) ) {
			return call_user_func( $args->fallback_cb, (array) $args );
	}

if ( ! $menu || is_wp_error( $menu ) ) {
		return false;
	}

$nav_menu = $items = '';

$show_container = false;
	if ( $args->container ) {
		/**
		 * Filters the list of HTML tags that are valid for use as menu containers.
		 *
		 * @since 3.0.0
		 *
		 * @param array $tags The acceptable HTML tags for use as menu containers.
		 *                    Default is array containing 'div' and 'nav'.
		 */
		$allowed_tags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'nav' ) );
		if ( is_string( $args->container ) && in_array( $args->container, $allowed_tags ) ) {
			$show_container = true;
			$class          = $args->container_class ? ' class="' . esc_attr( $args->container_class ) . '"' : ' class="menu-' . $menu->slug . '-container"';
			$id             = $args->container_id ? ' id="' . esc_attr( $args->container_id ) . '"' : '';
			$nav_menu      .= '<' . $args->container . $id . $class . '>';
		}
	}

// Set up the $menu_item variables
	_wp_menu_item_classes_by_context( $menu_items );

$sorted_menu_items = $menu_items_with_children = array();
	foreach ( (array) $menu_items as $menu_item ) {
		$sorted_menu_items[ $menu_item->menu_order ] = $menu_item;
		if ( $menu_item->menu_item_parent ) {
			$menu_items_with_children[ $menu_item->menu_item_parent ] = true;
		}
	}

// Add the menu-item-has-children class where applicable
	if ( $menu_items_with_children ) {
		foreach ( $sorted_menu_items as &$menu_item ) {
			if ( isset( $menu_items_with_children[ $menu_item->ID ] ) ) {
				$menu_item->classes[] = 'menu-item-has-children';
			}
		}
	}

unset( $menu_items, $menu_item );

/**
	 * Filters the sorted list of menu item objects before generating the menu's HTML.
	 *
	 * @since 3.1.0
	 *
	 * @param array    $sorted_menu_items The menu items, sorted by each menu item's menu order.
	 * @param stdClass $args              An object containing wp_nav_menu() arguments.
	 */
	$sorted_menu_items = apply_filters( 'wp_nav_menu_objects', $sorted_menu_items, $args );

$items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args );
	unset( $sorted_menu_items );

// Attributes
	if ( ! empty( $args->menu_id ) ) {
		$wrap_id = $args->menu_id;
	} else {
		$wrap_id = 'menu-' . $menu->slug;
		while ( in_array( $wrap_id, $menu_id_slugs ) ) {
			if ( preg_match( '#-(\d+)$#', $wrap_id, $matches ) ) {
				$wrap_id = preg_replace( '#-(\d+)$#', '-' . ++$matches[1], $wrap_id );
			} else {
				$wrap_id = $wrap_id . '-1';
			}
		}
	}
	$menu_id_slugs[] = $wrap_id;

$wrap_class = $args->menu_class ? $args->menu_class : '';

/**
	 * Filters the HTML list content for navigation menus.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param string   $items The HTML list content for the menu items.
	 * @param stdClass $args  An object containing wp_nav_menu() arguments.
	 */
	$items = apply_filters( 'wp_nav_menu_items', $items, $args );
	/**
	 * Filters the HTML list content for a specific navigation menu.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param string   $items The HTML list content for the menu items.
	 * @param stdClass $args  An object containing wp_nav_menu() arguments.
	 */
	$items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args );

// Don't print any markup if there are no items at this point.
	if ( empty( $items ) ) {
		return false;
	}

$nav_menu .= sprintf( $args->items_wrap, esc_attr( $wrap_id ), esc_attr( $wrap_class ), $items );
	unset( $items );

if ( $show_container ) {
		$nav_menu .= '</' . $args->container . '>';
	}

/**
	 * Filters the HTML content for navigation menus.
	 *
	 * @since 3.0.0
	 *
	 * @see wp_nav_menu()
	 *
	 * @param string   $nav_menu The HTML content for the navigation menu.
	 * @param stdClass $args     An object containing wp_nav_menu() arguments.
	 */
	$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );

if ( $args->echo ) {
		echo $nav_menu;
	} else {
		return $nav_menu;
	}
}

/**
 * Add the class property classes for the current context, if applicable.
 *
 * @access private
 * @since 3.0.0
 *
 * @global WP_Query   $wp_query
 * @global WP_Rewrite $wp_rewrite
 *
 * @param array $menu_items The current menu item objects to which to add the class property information.
 */
function _wp_menu_item_classes_by_context( &$menu_items ) {
	global $wp_query, $wp_rewrite;

$queried_object    = $wp_query->get_queried_object();
	$queried_object_id = (int) $wp_query->queried_object_id;

$active_object               = '';
	$active_ancestor_item_ids    = array();
	$active_parent_item_ids      = array();
	$active_parent_object_ids    = array();
	$possible_taxonomy_ancestors = array();
	$possible_object_parents     = array();
	$home_page_id                = (int) get_option( 'page_for_posts' );

if ( $wp_query->is_singular && ! empty( $queried_object->post_type ) && ! is_post_type_hierarchical( $queried_object->post_type ) ) {
		foreach ( (array) get_object_taxonomies( $queried_object->post_type ) as $taxonomy ) {
			if ( is_taxonomy_hierarchical( $taxonomy ) ) {
				$term_hierarchy = _get_term_hierarchy( $taxonomy );
				$terms          = wp_get_object_terms( $queried_object_id, $taxonomy, array( 'fields' => 'ids' ) );
				if ( is_array( $terms ) ) {
					$possible_object_parents = array_merge( $possible_object_parents, $terms );
					$term_to_ancestor        = array();
					foreach ( (array) $term_hierarchy as $anc => $descs ) {
						foreach ( (array) $descs as $desc ) {
							$term_to_ancestor[ $desc ] = $anc;
						}
					}

foreach ( $terms as $desc ) {
						do {
							$possible_taxonomy_ancestors[ $taxonomy ][] = $desc;
							if ( isset( $term_to_ancestor[ $desc ] ) ) {
								$_desc = $term_to_ancestor[ $desc ];
								unset( $term_to_ancestor[ $desc ] );
								$desc = $_desc;
							} else {
								$desc = 0;
							}
						} while ( ! empty( $desc ) );
					}
				}
			}
		}
	} elseif ( ! empty( $queried_object->taxonomy ) && is_taxonomy_hierarchical( $queried_object->taxonomy ) ) {
		$term_hierarchy   = _get_term_hierarchy( $queried_object->taxonomy );
		$term_to_ancestor = array();
		foreach ( (array) $term_hierarchy as $anc => $descs ) {
			foreach ( (array) $descs as $desc ) {
				$term_to_ancestor[ $desc ] = $anc;
			}
		}
		$desc = $queried_object->term_id;
		do {
			$possible_taxonomy_ancestors[ $queried_object->taxonomy ][] = $desc;
			if ( isset( $term_to_ancestor[ $desc ] ) ) {
				$_desc = $term_to_ancestor[ $desc ];
				unset( $term_to_ancestor[ $desc ] );
				$desc = $_desc;
			} else {
				$desc = 0;
			}
		} while ( ! empty( $desc ) );
	}

$possible_object_parents = array_filter( $possible_object_parents );

$front_page_url = home_url();
	$front_page_id  = (int) get_option( 'page_on_front' );

foreach ( (array) $menu_items as $key => $menu_item ) {

$menu_items[ $key ]->current = false;

$classes   = (array) $menu_item->classes;
		$classes[] = 'menu-item';
		$classes[] = 'menu-item-type-' . $menu_item->type;
		$classes[] = 'menu-item-object-' . $menu_item->object;

// This menu item is set as the 'Front Page'.
		if ( 'post_type' === $menu_item->type && $front_page_id === (int) $menu_item->object_id ) {
			$classes[] = 'menu-item-home';
		}

// if the menu item corresponds to a taxonomy term for the currently-queried non-hierarchical post object
		if ( $wp_query->is_singular && 'taxonomy' == $menu_item->type && in_array( $menu_item->object_id, $possible_object_parents ) ) {
			$active_parent_object_ids[] = (int) $menu_item->object_id;
			$active_parent_item_ids[]   = (int) $menu_item->db_id;
			$active_object              = $queried_object->post_type;

// if the menu item corresponds to the currently-queried post or taxonomy object
		} elseif (
			$menu_item->object_id == $queried_object_id &&
			(
				( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && $wp_query->is_home && $home_page_id == $menu_item->object_id ) ||
				( 'post_type' == $menu_item->type && $wp_query->is_singular ) ||
				( 'taxonomy' == $menu_item->type && ( $wp_query->is_category || $wp_query->is_tag || $wp_query->is_tax ) && $queried_object->taxonomy == $menu_item->object )
			)
		) {
			$classes[]                   = 'current-menu-item';
			$menu_items[ $key ]->current = true;
			$_anc_id                     = (int) $menu_item->db_id;

while (
				( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
				! in_array( $_anc_id, $active_ancestor_item_ids )
			) {
				$active_ancestor_item_ids[] = $_anc_id;
			}

if ( 'post_type' == $menu_item->type && 'page' == $menu_item->object ) {
				// Back compat classes for pages to match wp_page_menu()
				$classes[] = 'page_item';
				$classes[] = 'page-item-' . $menu_item->object_id;
				$classes[] = 'current_page_item';
			}

$active_parent_item_ids[]   = (int) $menu_item->menu_item_parent;
			$active_parent_object_ids[] = (int) $menu_item->post_parent;
			$active_object              = $menu_item->object;

// if the menu item corresponds to the currently-queried post type archive
		} elseif (
			'post_type_archive' == $menu_item->type &&
			is_post_type_archive( array( $menu_item->object ) )
		) {
			$classes[]                   = 'current-menu-item';
			$menu_items[ $key ]->current = true;
			$_anc_id                     = (int) $menu_item->db_id;

$active_parent_item_ids[] = (int) $menu_item->menu_item_parent;

// if the menu item corresponds to the currently-requested URL
		} elseif ( 'custom' == $menu_item->object && isset( $_SERVER['HTTP_HOST'] ) ) {
			$_root_relative_current = untrailingslashit( $_SERVER['REQUEST_URI'] );

//if it is the customize page then it will strips the query var off the url before entering the comparison block.
			if ( is_customize_preview() ) {
				$_root_relative_current = strtok( untrailingslashit( $_SERVER['REQUEST_URI'] ), '?' );
			}

$current_url        = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_root_relative_current );
			$raw_item_url       = strpos( $menu_item->url, '#' ) ? substr( $menu_item->url, 0, strpos( $menu_item->url, '#' ) ) : $menu_item->url;
			$item_url           = set_url_scheme( untrailingslashit( $raw_item_url ) );
			$_indexless_current = untrailingslashit( preg_replace( '/' . preg_quote( $wp_rewrite->index, '/' ) . '$/', '', $current_url ) );

$matches = array(
				$current_url,
				urldecode( $current_url ),
				$_indexless_current,
				urldecode( $_indexless_current ),
				$_root_relative_current,
				urldecode( $_root_relative_current ),
			);

if ( $raw_item_url && in_array( $item_url, $matches ) ) {
				$classes[]                   = 'current-menu-item';
				$menu_items[ $key ]->current = true;
				$_anc_id                     = (int) $menu_item->db_id;

while (
					( $_anc_id = get_post_meta( $_anc_id, '_menu_item_menu_item_parent', true ) ) &&
					! in_array( $_anc_id, $active_ancestor_item_ids )
				) {
					$active_ancestor_item_ids[] = $_anc_id;
				}

if ( in_array( home_url(), array( untrailingslashit( $current_url ), untrailingslashit( $_indexless_current ) ) ) ) {
					// Back compat for home link to match wp_page_menu()
					$classes[] = 'current_page_item';
				}
				$active_parent_item_ids[]   = (int) $menu_item->menu_item_parent;
				$active_parent_object_ids[] = (int) $menu_item->post_parent;
				$active_object              = $menu_item->object;

// give front page item current-menu-item class when extra query arguments involved
			} elseif ( $item_url == $front_page_url && is_front_page() ) {
				$classes[] = 'current-menu-item';
			}

if ( untrailingslashit( $item_url ) == home_url() ) {
				$classes[] = 'menu-item-home';
			}
		}

// back-compat with wp_page_menu: add "current_page_parent" to static home page link for any non-page query
		if ( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && empty( $wp_query->is_page ) && $home_page_id == $menu_item->object_id ) {
			$classes[] = 'current_page_parent';
		}

$menu_items[ $key ]->classes = array_unique( $classes );
	}
	$active_ancestor_item_ids = array_filter( array_unique( $active_ancestor_item_ids ) );
	$active_parent_item_ids   = array_filter( array_unique( $active_parent_item_ids ) );
	$active_parent_object_ids = array_filter( array_unique( $active_parent_object_ids ) );

// set parent's class
	foreach ( (array) $menu_items as $key => $parent_item ) {
		$classes                                   = (array) $parent_item->classes;
		$menu_items[ $key ]->current_item_ancestor = false;
		$menu_items[ $key ]->current_item_parent   = false;

if (
			isset( $parent_item->type ) &&
			(
				// ancestral post object
				(
					'post_type' == $parent_item->type &&
					! empty( $queried_object->post_type ) &&
					is_post_type_hierarchical( $queried_object->post_type ) &&
					in_array( $parent_item->object_id, $queried_object->ancestors ) &&
					$parent_item->object != $queried_object->ID
				) ||

// ancestral term
				(
					'taxonomy' == $parent_item->type &&
					isset( $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
					in_array( $parent_item->object_id, $possible_taxonomy_ancestors[ $parent_item->object ] ) &&
					(
						! isset( $queried_object->term_id ) ||
						$parent_item->object_id != $queried_object->term_id
					)
				)
			)
		) {
			$classes[] = empty( $queried_object->taxonomy ) ? 'current-' . $queried_object->post_type . '-ancestor' : 'current-' . $queried_object->taxonomy . '-ancestor';
		}

if ( in_array( intval( $parent_item->db_id ), $active_ancestor_item_ids ) ) {
			$classes[]                                 = 'current-menu-ancestor';
			$menu_items[ $key ]->current_item_ancestor = true;
		}
		if ( in_array( $parent_item->db_id, $active_parent_item_ids ) ) {
			$classes[]                               = 'current-menu-parent';
			$menu_items[ $key ]->current_item_parent = true;
		}
		if ( in_array( $parent_item->object_id, $active_parent_object_ids ) ) {
			$classes[] = 'current-' . $active_object . '-parent';
		}

if ( 'post_type' == $parent_item->type && 'page' == $parent_item->object ) {
			// Back compat classes for pages to match wp_page_menu()
			if ( in_array( 'current-menu-parent', $classes ) ) {
				$classes[] = 'current_page_parent';
			}
			if ( in_array( 'current-menu-ancestor', $classes ) ) {
				$classes[] = 'current_page_ancestor';
			}
		}

$menu_items[ $key ]->classes = array_unique( $classes );
	}
}

/**
 * Retrieve the HTML list content for nav menu items.
 *
 * @uses Walker_Nav_Menu to create HTML list content.
 * @since 3.0.0
 *
 * @param array    $items The menu items, sorted by each menu item's menu order.
 * @param int      $depth Depth of the item in reference to parents.
 * @param stdClass $r     An object containing wp_nav_menu() arguments.
 * @return string The HTML list content for the menu items.
 */
function walk_nav_menu_tree( $items, $depth, $r ) {
	$walker = ( empty( $r->walker ) ) ? new Walker_Nav_Menu : $r->walker;
	$args   = array( $items, $depth, $r );

return call_user_func_array( array( $walker, 'walk' ), $args );
}

/**
 * Prevents a menu item ID from being used more than once.
 *
 * @since 3.0.1
 * @access private
 *
 * @staticvar array $used_ids
 * @param string $id
 * @param object $item
 * @return string
 */
function _nav_menu_item_id_use_once( $id, $item ) {
	static $_used_ids = array();
	if ( in_array( $item->ID, $_used_ids ) ) {
		return '';
	}
	$_used_ids[] = $item->ID;
	return $id;
}

${this.title}

Code Editor : nav-menu-template.php