wp/wp-admin/includes/nav-menu.php
changeset 16 a86126ab1dd4
parent 9 177826044cd9
child 18 be944660c56a
--- a/wp/wp-admin/includes/nav-menu.php	Tue Oct 22 16:11:46 2019 +0200
+++ b/wp/wp-admin/includes/nav-menu.php	Tue Dec 15 13:49:49 2020 +0100
@@ -8,10 +8,10 @@
  */
 
 /** Walker_Nav_Menu_Edit class */
-require_once( ABSPATH . 'wp-admin/includes/class-walker-nav-menu-edit.php' );
+require_once ABSPATH . 'wp-admin/includes/class-walker-nav-menu-edit.php';
 
 /** Walker_Nav_Menu_Checklist class */
-require_once( ABSPATH . 'wp-admin/includes/class-walker-nav-menu-checklist.php' );
+require_once ABSPATH . 'wp-admin/includes/class-walker-nav-menu-checklist.php';
 
 /**
  * Prints the appropriate response to a menu quick search.
@@ -25,19 +25,23 @@
 	$type            = isset( $request['type'] ) ? $request['type'] : '';
 	$object_type     = isset( $request['object_type'] ) ? $request['object_type'] : '';
 	$query           = isset( $request['q'] ) ? $request['q'] : '';
-	$response_format = isset( $request['response-format'] ) && in_array( $request['response-format'], array( 'json', 'markup' ) ) ? $request['response-format'] : 'json';
+	$response_format = isset( $request['response-format'] ) ? $request['response-format'] : '';
 
-	if ( 'markup' == $response_format ) {
+	if ( ! $response_format || ! in_array( $response_format, array( 'json', 'markup' ), true ) ) {
+		$response_format = 'json';
+	}
+
+	if ( 'markup' === $response_format ) {
 		$args['walker'] = new Walker_Nav_Menu_Checklist;
 	}
 
-	if ( 'get-post-item' == $type ) {
+	if ( 'get-post-item' === $type ) {
 		if ( post_type_exists( $object_type ) ) {
 			if ( isset( $request['ID'] ) ) {
 				$object_id = (int) $request['ID'];
-				if ( 'markup' == $response_format ) {
+				if ( 'markup' === $response_format ) {
 					echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', array( get_post( $object_id ) ) ), 0, (object) $args );
-				} elseif ( 'json' == $response_format ) {
+				} elseif ( 'json' === $response_format ) {
 					echo wp_json_encode(
 						array(
 							'ID'         => $object_id,
@@ -51,9 +55,9 @@
 		} elseif ( taxonomy_exists( $object_type ) ) {
 			if ( isset( $request['ID'] ) ) {
 				$object_id = (int) $request['ID'];
-				if ( 'markup' == $response_format ) {
+				if ( 'markup' === $response_format ) {
 					echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', array( get_term( $object_id, $object_type ) ) ), 0, (object) $args );
-				} elseif ( 'json' == $response_format ) {
+				} elseif ( 'json' === $response_format ) {
 					$post_obj = get_term( $object_id, $object_type );
 					echo wp_json_encode(
 						array(
@@ -67,7 +71,7 @@
 			}
 		}
 	} elseif ( preg_match( '/quick-search-(posttype|taxonomy)-([a-zA-Z_-]*\b)/', $type, $matches ) ) {
-		if ( 'posttype' == $matches[1] && get_post_type_object( $matches[2] ) ) {
+		if ( 'posttype' === $matches[1] && get_post_type_object( $matches[2] ) ) {
 			$post_type_obj = _wp_nav_menu_meta_box_object( get_post_type_object( $matches[2] ) );
 			$args          = array_merge(
 				$args,
@@ -89,10 +93,10 @@
 			}
 			while ( $search_results_query->have_posts() ) {
 				$post = $search_results_query->next_post();
-				if ( 'markup' == $response_format ) {
+				if ( 'markup' === $response_format ) {
 					$var_by_ref = $post->ID;
 					echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', array( get_post( $var_by_ref ) ) ), 0, (object) $args );
-				} elseif ( 'json' == $response_format ) {
+				} elseif ( 'json' === $response_format ) {
 					echo wp_json_encode(
 						array(
 							'ID'         => $post->ID,
@@ -103,21 +107,22 @@
 					echo "\n";
 				}
 			}
-		} elseif ( 'taxonomy' == $matches[1] ) {
+		} elseif ( 'taxonomy' === $matches[1] ) {
 			$terms = get_terms(
 				array(
 					'taxonomy'   => $matches[2],
 					'name__like' => $query,
 					'number'     => 10,
+					'hide_empty' => false,
 				)
 			);
 			if ( empty( $terms ) || is_wp_error( $terms ) ) {
 				return;
 			}
 			foreach ( (array) $terms as $term ) {
-				if ( 'markup' == $response_format ) {
+				if ( 'markup' === $response_format ) {
 					echo walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', array( $term ) ), 0, (object) $args );
-				} elseif ( 'json' == $response_format ) {
+				} elseif ( 'json' === $response_format ) {
 					echo wp_json_encode(
 						array(
 							'ID'         => $term->term_id,
@@ -138,12 +143,12 @@
  * @since 3.0.0
  */
 function wp_nav_menu_setup() {
-	// Register meta boxes
+	// Register meta boxes.
 	wp_nav_menu_post_type_meta_boxes();
 	add_meta_box( 'add-custom-links', __( 'Custom Links' ), 'wp_nav_menu_item_link_meta_box', 'nav-menus', 'side', 'default' );
 	wp_nav_menu_taxonomy_meta_boxes();
 
-	// Register advanced menu items (columns)
+	// Register advanced menu items (columns).
 	add_filter( 'manage_nav-menus_columns', 'wp_nav_menu_manage_columns' );
 
 	// If first time editing, disable advanced items by default.
@@ -184,7 +189,7 @@
 	foreach ( array_keys( $wp_meta_boxes['nav-menus'] ) as $context ) {
 		foreach ( array_keys( $wp_meta_boxes['nav-menus'][ $context ] ) as $priority ) {
 			foreach ( $wp_meta_boxes['nav-menus'][ $context ][ $priority ] as $box ) {
-				if ( in_array( $box['id'], $initial_meta_boxes ) ) {
+				if ( in_array( $box['id'], $initial_meta_boxes, true ) ) {
 					unset( $box['id'] );
 				} else {
 					$hidden_meta_boxes[] = $box['id'];
@@ -219,14 +224,14 @@
 		 *
 		 * @since 3.0.0
 		 *
-		 * @param object $meta_box_object The current object to add a menu items
-		 *                                meta box for.
+		 * @param WP_Post_Type|false $post_type The current object to add a menu items
+		 *                                      meta box for.
 		 */
 		$post_type = apply_filters( 'nav_menu_meta_box_object', $post_type );
 		if ( $post_type ) {
 			$id = $post_type->name;
 			// Give pages a higher priority.
-			$priority = ( 'page' == $post_type->name ? 'core' : 'default' );
+			$priority = ( 'page' === $post_type->name ? 'core' : 'default' );
 			add_meta_box( "add-post-type-{$id}", $post_type->labels->name, 'wp_nav_menu_item_post_type_meta_box', 'nav-menus', 'side', $priority, $post_type );
 		}
 	}
@@ -255,23 +260,25 @@
 }
 
 /**
- * Check whether to disable the Menu Locations meta box submit button
+ * Check whether to disable the Menu Locations meta box submit button and inputs.
  *
  * @since 3.6.0
+ * @since 5.3.1 The `$echo` parameter was added.
  *
  * @global bool $one_theme_location_no_menus to determine if no menus exist
  *
- * @param int|string $nav_menu_selected_id (id, name or slug) of the currently-selected menu
- * @return string Disabled attribute if at least one menu exists, false if not
+ * @param int|string $nav_menu_selected_id ID, name, or slug of the currently selected menu.
+ * @param bool       $echo                 Whether to echo or just return the string.
+ * @return string|false Disabled attribute if at least one menu exists, false if not.
  */
-function wp_nav_menu_disabled_check( $nav_menu_selected_id ) {
+function wp_nav_menu_disabled_check( $nav_menu_selected_id, $echo = true ) {
 	global $one_theme_location_no_menus;
 
 	if ( $one_theme_location_no_menus ) {
 		return false;
 	}
 
-	return disabled( $nav_menu_selected_id, 0 );
+	return disabled( $nav_menu_selected_id, 0, $echo );
 }
 
 /**
@@ -292,12 +299,12 @@
 		<input type="hidden" value="custom" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-type]" />
 		<p id="menu-item-url-wrap" class="wp-clearfix">
 			<label class="howto" for="custom-menu-item-url"><?php _e( 'URL' ); ?></label>
-			<input id="custom-menu-item-url" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-url]" type="text" class="code menu-item-textbox" value="http://" />
+			<input id="custom-menu-item-url" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-url]" type="text"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="code menu-item-textbox" placeholder="https://" />
 		</p>
 
 		<p id="menu-item-name-wrap" class="wp-clearfix">
 			<label class="howto" for="custom-menu-item-name"><?php _e( 'Link Text' ); ?></label>
-			<input id="custom-menu-item-name" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-title]" type="text" class="regular-text menu-item-textbox" />
+			<input id="custom-menu-item-name" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-title]" type="text"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="regular-text menu-item-textbox" />
 		</p>
 
 		<p class="button-controls wp-clearfix">
@@ -325,7 +332,7 @@
  *
  *     @type string       $id       Meta box 'id' attribute.
  *     @type string       $title    Meta box title.
- *     @type string       $callback Meta box display callback.
+ *     @type callable     $callback Meta box display callback.
  *     @type WP_Post_Type $args     Extra meta box arguments (the post type object for this meta box).
  * }
  */
@@ -333,10 +340,12 @@
 	global $_nav_menu_placeholder, $nav_menu_selected_id;
 
 	$post_type_name = $box['args']->name;
+	$post_type      = get_post_type_object( $post_type_name );
+	$tab_name       = $post_type_name . '-tab';
 
 	// Paginate browsing for large numbers of post objects.
 	$per_page = 50;
-	$pagenum  = isset( $_REQUEST[ $post_type_name . '-tab' ] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
+	$pagenum  = isset( $_REQUEST[ $tab_name ] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
 	$offset   = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;
 
 	$args = array(
@@ -354,12 +363,88 @@
 		$args = array_merge( $args, (array) $box['args']->_default_query );
 	}
 
-	// @todo transient caching of these results with proper invalidation on updating of a post of this type
+	/*
+	 * If we're dealing with pages, let's prioritize the Front Page,
+	 * Posts Page and Privacy Policy Page at the top of the list.
+	 */
+	$important_pages = array();
+	if ( 'page' === $post_type_name ) {
+		$suppress_page_ids = array();
+
+		// Insert Front Page or custom Home link.
+		$front_page = 'page' === get_option( 'show_on_front' ) ? (int) get_option( 'page_on_front' ) : 0;
+
+		$front_page_obj = null;
+		if ( ! empty( $front_page ) ) {
+			$front_page_obj                = get_post( $front_page );
+			$front_page_obj->front_or_home = true;
+
+			$important_pages[]   = $front_page_obj;
+			$suppress_page_ids[] = $front_page_obj->ID;
+		} else {
+			$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval( $_nav_menu_placeholder ) - 1 : -1;
+			$front_page_obj        = (object) array(
+				'front_or_home' => true,
+				'ID'            => 0,
+				'object_id'     => $_nav_menu_placeholder,
+				'post_content'  => '',
+				'post_excerpt'  => '',
+				'post_parent'   => '',
+				'post_title'    => _x( 'Home', 'nav menu home label' ),
+				'post_type'     => 'nav_menu_item',
+				'type'          => 'custom',
+				'url'           => home_url( '/' ),
+			);
+
+			$important_pages[] = $front_page_obj;
+		}
+
+		// Insert Posts Page.
+		$posts_page = 'page' === get_option( 'show_on_front' ) ? (int) get_option( 'page_for_posts' ) : 0;
+
+		if ( ! empty( $posts_page ) ) {
+			$posts_page_obj             = get_post( $posts_page );
+			$posts_page_obj->posts_page = true;
+
+			$important_pages[]   = $posts_page_obj;
+			$suppress_page_ids[] = $posts_page_obj->ID;
+		}
+
+		// Insert Privacy Policy Page.
+		$privacy_policy_page_id = (int) get_option( 'wp_page_for_privacy_policy' );
+
+		if ( ! empty( $privacy_policy_page_id ) ) {
+			$privacy_policy_page = get_post( $privacy_policy_page_id );
+			if ( $privacy_policy_page instanceof WP_Post && 'publish' === $privacy_policy_page->post_status ) {
+				$privacy_policy_page->privacy_policy_page = true;
+
+				$important_pages[]   = $privacy_policy_page;
+				$suppress_page_ids[] = $privacy_policy_page->ID;
+			}
+		}
+
+		// Add suppression array to arguments for WP_Query.
+		if ( ! empty( $suppress_page_ids ) ) {
+			$args['post__not_in'] = $suppress_page_ids;
+		}
+	}
+
+	// @todo Transient caching of these results with proper invalidation on updating of a post of this type.
 	$get_posts = new WP_Query;
 	$posts     = $get_posts->query( $args );
+
+	// Only suppress and insert when more than just suppression pages available.
 	if ( ! $get_posts->post_count ) {
-		echo '<p>' . __( 'No items.' ) . '</p>';
-		return;
+		if ( ! empty( $suppress_page_ids ) ) {
+			unset( $args['post__not_in'] );
+			$get_posts = new WP_Query;
+			$posts     = $get_posts->query( $args );
+		} else {
+			echo '<p>' . __( 'No items.' ) . '</p>';
+			return;
+		}
+	} elseif ( ! empty( $important_pages ) ) {
+		$posts = array_merge( $important_pages, $posts );
 	}
 
 	$num_pages = $get_posts->max_num_pages;
@@ -368,10 +453,10 @@
 		array(
 			'base'               => add_query_arg(
 				array(
-					$post_type_name . '-tab' => 'all',
-					'paged'                  => '%#%',
-					'item-type'              => 'post_type',
-					'item-object'            => $post_type_name,
+					$tab_name     => 'all',
+					'paged'       => '%#%',
+					'item-type'   => 'post_type',
+					'item-object' => $post_type_name,
 				)
 			),
 			'format'             => '',
@@ -394,8 +479,9 @@
 	$walker = new Walker_Nav_Menu_Checklist( $db_fields );
 
 	$current_tab = 'most-recent';
-	if ( isset( $_REQUEST[ $post_type_name . '-tab' ] ) && in_array( $_REQUEST[ $post_type_name . '-tab' ], array( 'all', 'search' ) ) ) {
-		$current_tab = $_REQUEST[ $post_type_name . '-tab' ];
+
+	if ( isset( $_REQUEST[ $tab_name ] ) && in_array( $_REQUEST[ $tab_name ], array( 'all', 'search' ), true ) ) {
+		$current_tab = $_REQUEST[ $tab_name ];
 	}
 
 	if ( ! empty( $_REQUEST[ 'quick-search-posttype-' . $post_type_name ] ) ) {
@@ -411,33 +497,35 @@
 		'_wpnonce',
 	);
 
-	$most_recent_url = $view_all_url = $search_url = '';
+	$most_recent_url = '';
+	$view_all_url    = '';
+	$search_url      = '';
 	if ( $nav_menu_selected_id ) {
-		$most_recent_url = esc_url( add_query_arg( $post_type_name . '-tab', 'most-recent', remove_query_arg( $removed_args ) ) );
-		$view_all_url    = esc_url( add_query_arg( $post_type_name . '-tab', 'all', remove_query_arg( $removed_args ) ) );
-		$search_url      = esc_url( add_query_arg( $post_type_name . '-tab', 'search', remove_query_arg( $removed_args ) ) );
+		$most_recent_url = esc_url( add_query_arg( $tab_name, 'most-recent', remove_query_arg( $removed_args ) ) );
+		$view_all_url    = esc_url( add_query_arg( $tab_name, 'all', remove_query_arg( $removed_args ) ) );
+		$search_url      = esc_url( add_query_arg( $tab_name, 'search', remove_query_arg( $removed_args ) ) );
 	}
 	?>
 	<div id="posttype-<?php echo $post_type_name; ?>" class="posttypediv">
 		<ul id="posttype-<?php echo $post_type_name; ?>-tabs" class="posttype-tabs add-menu-item-tabs">
-			<li <?php echo ( 'most-recent' == $current_tab ? ' class="tabs"' : '' ); ?>>
+			<li <?php echo ( 'most-recent' === $current_tab ? ' class="tabs"' : '' ); ?>>
 				<a class="nav-tab-link" data-type="tabs-panel-posttype-<?php echo esc_attr( $post_type_name ); ?>-most-recent" href="<?php echo $most_recent_url; ?>#tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent">
 					<?php _e( 'Most Recent' ); ?>
 				</a>
 			</li>
-			<li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>>
+			<li <?php echo ( 'all' === $current_tab ? ' class="tabs"' : '' ); ?>>
 				<a class="nav-tab-link" data-type="<?php echo esc_attr( $post_type_name ); ?>-all" href="<?php echo $view_all_url; ?>#<?php echo $post_type_name; ?>-all">
 					<?php _e( 'View All' ); ?>
 				</a>
 			</li>
-			<li <?php echo ( 'search' == $current_tab ? ' class="tabs"' : '' ); ?>>
+			<li <?php echo ( 'search' === $current_tab ? ' class="tabs"' : '' ); ?>>
 				<a class="nav-tab-link" data-type="tabs-panel-posttype-<?php echo esc_attr( $post_type_name ); ?>-search" href="<?php echo $search_url; ?>#tabs-panel-posttype-<?php echo $post_type_name; ?>-search">
 					<?php _e( 'Search' ); ?>
 				</a>
 			</li>
 		</ul><!-- .posttype-tabs -->
 
-		<div id="tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent" class="tabs-panel <?php echo ( 'most-recent' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>">
+		<div id="tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent" class="tabs-panel <?php echo ( 'most-recent' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>" role="region" aria-label="<?php _e( 'Most Recent' ); ?>" tabindex="0">
 			<ul id="<?php echo $post_type_name; ?>checklist-most-recent" class="categorychecklist form-no-clear">
 				<?php
 				$recent_args    = array_merge(
@@ -472,7 +560,7 @@
 			</ul>
 		</div><!-- /.tabs-panel -->
 
-		<div class="tabs-panel <?php echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>" id="tabs-panel-posttype-<?php echo $post_type_name; ?>-search">
+		<div class="tabs-panel <?php echo ( 'search' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>" id="tabs-panel-posttype-<?php echo $post_type_name; ?>-search" role="region" aria-label="<?php echo $post_type->labels->search_items; ?>" tabindex="0">
 			<?php
 			if ( isset( $_REQUEST[ 'quick-search-posttype-' . $post_type_name ] ) ) {
 				$searched       = esc_attr( $_REQUEST[ 'quick-search-posttype-' . $post_type_name ] );
@@ -491,7 +579,7 @@
 			?>
 			<p class="quick-search-wrap">
 				<label for="quick-search-posttype-<?php echo $post_type_name; ?>" class="screen-reader-text"><?php _e( 'Search' ); ?></label>
-				<input type="search" class="quick-search" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" id="quick-search-posttype-<?php echo $post_type_name; ?>" />
+				<input type="search"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> class="quick-search" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" id="quick-search-posttype-<?php echo $post_type_name; ?>" />
 				<span class="spinner"></span>
 				<?php submit_button( __( 'Search' ), 'small quick-search-submit hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-posttype-' . $post_type_name ) ); ?>
 			</p>
@@ -510,7 +598,7 @@
 			</ul>
 		</div><!-- /.tabs-panel -->
 
-		<div id="<?php echo $post_type_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>">
+		<div id="<?php echo $post_type_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php echo ( 'all' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>" role="region" aria-label="<?php echo $post_type->labels->all_items; ?>" tabindex="0">
 			<?php if ( ! empty( $page_links ) ) : ?>
 				<div class="add-menu-item-pagelinks">
 					<?php echo $page_links; ?>
@@ -520,38 +608,6 @@
 				<?php
 				$args['walker'] = $walker;
 
-				/*
-				 * If we're dealing with pages, let's put a checkbox for the front
-				 * page at the top of the list.
-				 */
-				if ( 'page' == $post_type_name ) {
-					$front_page = 'page' == get_option( 'show_on_front' ) ? (int) get_option( 'page_on_front' ) : 0;
-					if ( ! empty( $front_page ) ) {
-						$front_page_obj                = get_post( $front_page );
-						$front_page_obj->front_or_home = true;
-						array_unshift( $posts, $front_page_obj );
-					} else {
-						$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval( $_nav_menu_placeholder ) - 1 : -1;
-						array_unshift(
-							$posts,
-							(object) array(
-								'front_or_home' => true,
-								'ID'            => 0,
-								'object_id'     => $_nav_menu_placeholder,
-								'post_content'  => '',
-								'post_excerpt'  => '',
-								'post_parent'   => '',
-								'post_title'    => _x( 'Home', 'nav menu home label' ),
-								'post_type'     => 'nav_menu_item',
-								'type'          => 'custom',
-								'url'           => home_url( '/' ),
-							)
-						);
-					}
-				}
-
-				$post_type = get_post_type_object( $post_type_name );
-
 				if ( $post_type->has_archive ) {
 					$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval( $_nav_menu_placeholder ) - 1 : -1;
 					array_unshift(
@@ -591,11 +647,6 @@
 
 				$checkbox_items = walk_nav_menu_tree( array_map( 'wp_setup_nav_menu_item', $posts ), 0, (object) $args );
 
-				if ( 'all' == $current_tab && ! empty( $_REQUEST['selectall'] ) ) {
-					$checkbox_items = preg_replace( '/(type=(.)checkbox(\2))/', '$1 checked=$2checked$2', $checkbox_items );
-
-				}
-
 				echo $checkbox_items;
 				?>
 			</ul>
@@ -606,21 +657,10 @@
 			<?php endif; ?>
 		</div><!-- /.tabs-panel -->
 
-		<p class="button-controls wp-clearfix">
-			<span class="list-controls">
-				<a href="
-				<?php
-					echo esc_url(
-						add_query_arg(
-							array(
-								$post_type_name . '-tab' => 'all',
-								'selectall'              => 1,
-							),
-							remove_query_arg( $removed_args )
-						)
-					);
-				?>
-				#posttype-<?php echo $post_type_name; ?>" class="select-all aria-button-if-js"><?php _e( 'Select All' ); ?></a>
+		<p class="button-controls wp-clearfix" data-items-type="posttype-<?php echo esc_attr( $post_type_name ); ?>">
+			<span class="list-controls hide-if-no-js">
+				<input type="checkbox"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> id="<?php echo esc_attr( $tab_name ); ?>" class="select-all" />
+				<label for="<?php echo esc_attr( $tab_name ); ?>"><?php _e( 'Select All' ); ?></label>
 			</span>
 
 			<span class="add-to-menu">
@@ -644,23 +684,26 @@
  * @param array  $box {
  *     Taxonomy menu item meta box arguments.
  *
- *     @type string $id       Meta box 'id' attribute.
- *     @type string $title    Meta box title.
- *     @type string $callback Meta box display callback.
- *     @type object $args     Extra meta box arguments (the taxonomy object for this meta box).
+ *     @type string   $id       Meta box 'id' attribute.
+ *     @type string   $title    Meta box title.
+ *     @type callable $callback Meta box display callback.
+ *     @type object   $args     Extra meta box arguments (the taxonomy object for this meta box).
  * }
  */
 function wp_nav_menu_item_taxonomy_meta_box( $object, $box ) {
 	global $nav_menu_selected_id;
+
 	$taxonomy_name = $box['args']->name;
 	$taxonomy      = get_taxonomy( $taxonomy_name );
+	$tab_name      = $taxonomy_name . '-tab';
 
 	// Paginate browsing for large numbers of objects.
 	$per_page = 50;
-	$pagenum  = isset( $_REQUEST[ $taxonomy_name . '-tab' ] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
+	$pagenum  = isset( $_REQUEST[ $tab_name ] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
 	$offset   = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;
 
 	$args = array(
+		'taxonomy'     => $taxonomy_name,
 		'child_of'     => 0,
 		'exclude'      => '',
 		'hide_empty'   => false,
@@ -673,7 +716,7 @@
 		'pad_counts'   => false,
 	);
 
-	$terms = get_terms( $taxonomy_name, $args );
+	$terms = get_terms( $args );
 
 	if ( ! $terms || is_wp_error( $terms ) ) {
 		echo '<p>' . __( 'No items.' ) . '</p>';
@@ -697,10 +740,10 @@
 		array(
 			'base'               => add_query_arg(
 				array(
-					$taxonomy_name . '-tab' => 'all',
-					'paged'                 => '%#%',
-					'item-type'             => 'taxonomy',
-					'item-object'           => $taxonomy_name,
+					$tab_name     => 'all',
+					'paged'       => '%#%',
+					'item-type'   => 'taxonomy',
+					'item-object' => $taxonomy_name,
 				)
 			),
 			'format'             => '',
@@ -723,8 +766,9 @@
 	$walker = new Walker_Nav_Menu_Checklist( $db_fields );
 
 	$current_tab = 'most-used';
-	if ( isset( $_REQUEST[ $taxonomy_name . '-tab' ] ) && in_array( $_REQUEST[ $taxonomy_name . '-tab' ], array( 'all', 'most-used', 'search' ) ) ) {
-		$current_tab = $_REQUEST[ $taxonomy_name . '-tab' ];
+
+	if ( isset( $_REQUEST[ $tab_name ] ) && in_array( $_REQUEST[ $tab_name ], array( 'all', 'most-used', 'search' ), true ) ) {
+		$current_tab = $_REQUEST[ $tab_name ];
 	}
 
 	if ( ! empty( $_REQUEST[ 'quick-search-taxonomy-' . $taxonomy_name ] ) ) {
@@ -740,38 +784,40 @@
 		'_wpnonce',
 	);
 
-	$most_used_url = $view_all_url = $search_url = '';
+	$most_used_url = '';
+	$view_all_url  = '';
+	$search_url    = '';
 	if ( $nav_menu_selected_id ) {
-		$most_used_url = esc_url( add_query_arg( $taxonomy_name . '-tab', 'most-used', remove_query_arg( $removed_args ) ) );
-		$view_all_url  = esc_url( add_query_arg( $taxonomy_name . '-tab', 'all', remove_query_arg( $removed_args ) ) );
-		$search_url    = esc_url( add_query_arg( $taxonomy_name . '-tab', 'search', remove_query_arg( $removed_args ) ) );
+		$most_used_url = esc_url( add_query_arg( $tab_name, 'most-used', remove_query_arg( $removed_args ) ) );
+		$view_all_url  = esc_url( add_query_arg( $tab_name, 'all', remove_query_arg( $removed_args ) ) );
+		$search_url    = esc_url( add_query_arg( $tab_name, 'search', remove_query_arg( $removed_args ) ) );
 	}
 	?>
 	<div id="taxonomy-<?php echo $taxonomy_name; ?>" class="taxonomydiv">
 		<ul id="taxonomy-<?php echo $taxonomy_name; ?>-tabs" class="taxonomy-tabs add-menu-item-tabs">
-			<li <?php echo ( 'most-used' == $current_tab ? ' class="tabs"' : '' ); ?>>
+			<li <?php echo ( 'most-used' === $current_tab ? ' class="tabs"' : '' ); ?>>
 				<a class="nav-tab-link" data-type="tabs-panel-<?php echo esc_attr( $taxonomy_name ); ?>-pop" href="<?php echo $most_used_url; ?>#tabs-panel-<?php echo $taxonomy_name; ?>-pop">
 					<?php echo esc_html( $taxonomy->labels->most_used ); ?>
 				</a>
 			</li>
-			<li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>>
+			<li <?php echo ( 'all' === $current_tab ? ' class="tabs"' : '' ); ?>>
 				<a class="nav-tab-link" data-type="tabs-panel-<?php echo esc_attr( $taxonomy_name ); ?>-all" href="<?php echo $view_all_url; ?>#tabs-panel-<?php echo $taxonomy_name; ?>-all">
 					<?php _e( 'View All' ); ?>
 				</a>
 			</li>
-			<li <?php echo ( 'search' == $current_tab ? ' class="tabs"' : '' ); ?>>
+			<li <?php echo ( 'search' === $current_tab ? ' class="tabs"' : '' ); ?>>
 				<a class="nav-tab-link" data-type="tabs-panel-search-taxonomy-<?php echo esc_attr( $taxonomy_name ); ?>" href="<?php echo $search_url; ?>#tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>">
 					<?php _e( 'Search' ); ?>
 				</a>
 			</li>
 		</ul><!-- .taxonomy-tabs -->
 
-		<div id="tabs-panel-<?php echo $taxonomy_name; ?>-pop" class="tabs-panel <?php echo ( 'most-used' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?> ">
+		<div id="tabs-panel-<?php echo $taxonomy_name; ?>-pop" class="tabs-panel <?php echo ( 'most-used' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>" role="region" aria-label="<?php echo $taxonomy->labels->most_used; ?>" tabindex="0">
 			<ul id="<?php echo $taxonomy_name; ?>checklist-pop" class="categorychecklist form-no-clear" >
 				<?php
 				$popular_terms  = get_terms(
-					$taxonomy_name,
 					array(
+						'taxonomy'     => $taxonomy_name,
 						'orderby'      => 'count',
 						'order'        => 'DESC',
 						'number'       => 10,
@@ -784,7 +830,7 @@
 			</ul>
 		</div><!-- /.tabs-panel -->
 
-		<div id="tabs-panel-<?php echo $taxonomy_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?> ">
+		<div id="tabs-panel-<?php echo $taxonomy_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php echo ( 'all' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>" role="region" aria-label="<?php echo $taxonomy->labels->all_items; ?>" tabindex="0">
 			<?php if ( ! empty( $page_links ) ) : ?>
 				<div class="add-menu-item-pagelinks">
 					<?php echo $page_links; ?>
@@ -803,13 +849,13 @@
 			<?php endif; ?>
 		</div><!-- /.tabs-panel -->
 
-		<div class="tabs-panel <?php echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>" id="tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>">
+		<div class="tabs-panel <?php echo ( 'search' === $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' ); ?>" id="tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>" role="region" aria-label="<?php echo $taxonomy->labels->search_items; ?>" tabindex="0">
 			<?php
 			if ( isset( $_REQUEST[ 'quick-search-taxonomy-' . $taxonomy_name ] ) ) {
 				$searched       = esc_attr( $_REQUEST[ 'quick-search-taxonomy-' . $taxonomy_name ] );
 				$search_results = get_terms(
-					$taxonomy_name,
 					array(
+						'taxonomy'     => $taxonomy_name,
 						'name__like'   => $searched,
 						'fields'       => 'all',
 						'orderby'      => 'count',
@@ -843,21 +889,10 @@
 			</ul>
 		</div><!-- /.tabs-panel -->
 
-		<p class="button-controls wp-clearfix">
-			<span class="list-controls">
-				<a href="
-				<?php
-					echo esc_url(
-						add_query_arg(
-							array(
-								$taxonomy_name . '-tab' => 'all',
-								'selectall'             => 1,
-							),
-							remove_query_arg( $removed_args )
-						)
-					);
-				?>
-				#taxonomy-<?php echo $taxonomy_name; ?>" class="select-all aria-button-if-js"><?php _e( 'Select All' ); ?></a>
+		<p class="button-controls wp-clearfix" data-items-type="taxonomy-<?php echo esc_attr( $taxonomy_name ); ?>">
+			<span class="list-controls hide-if-no-js">
+				<input type="checkbox"<?php wp_nav_menu_disabled_check( $nav_menu_selected_id ); ?> id="<?php echo esc_attr( $tab_name ); ?>" class="select-all" />
+				<label for="<?php echo esc_attr( $tab_name ); ?>"><?php _e( 'Select All' ); ?></label>
 			</span>
 
 			<span class="add-to-menu">
@@ -894,8 +929,9 @@
 					// And item type either isn't set.
 					! isset( $_item_object_data['menu-item-type'] ) ||
 					// Or URL is the default.
-					in_array( $_item_object_data['menu-item-url'], array( 'http://', '' ) ) ||
-					! ( 'custom' == $_item_object_data['menu-item-type'] && ! isset( $_item_object_data['menu-item-db-id'] ) ) || // or it's not a custom menu item (but not the custom home page)
+					in_array( $_item_object_data['menu-item-url'], array( 'https://', 'http://', '' ), true ) ||
+					// Or it's not a custom menu item (but not the custom home page).
+					! ( 'custom' === $_item_object_data['menu-item-type'] && ! isset( $_item_object_data['menu-item-db-id'] ) ) ||
 					// Or it *is* a custom menu item that already exists.
 					! empty( $_item_object_data['menu-item-db-id'] )
 				)
@@ -946,25 +982,25 @@
  * @access private
  *
  * @param object $object The post type or taxonomy meta-object.
- * @return object The post type of taxonomy object.
+ * @return object The post type or taxonomy object.
  */
 function _wp_nav_menu_meta_box_object( $object = null ) {
 	if ( isset( $object->name ) ) {
 
-		if ( 'page' == $object->name ) {
+		if ( 'page' === $object->name ) {
 			$object->_default_query = array(
 				'orderby'     => 'menu_order title',
 				'post_status' => 'publish',
 			);
 
 			// Posts should show only published items.
-		} elseif ( 'post' == $object->name ) {
+		} elseif ( 'post' === $object->name ) {
 			$object->_default_query = array(
 				'post_status' => 'publish',
 			);
 
 			// Categories should be in reverse chronological order.
-		} elseif ( 'category' == $object->name ) {
+		} elseif ( 'category' === $object->name ) {
 			$object->_default_query = array(
 				'orderby' => 'id',
 				'order'   => 'DESC',
@@ -987,7 +1023,7 @@
  * @since 3.0.0
  *
  * @param int $menu_id Optional. The ID of the menu to format. Default 0.
- * @return string|WP_Error $output The menu formatted to edit or error object on failure.
+ * @return string|WP_Error The menu formatted to edit or error object on failure.
  */
 function wp_get_nav_menu_to_edit( $menu_id = 0 ) {
 	$menu = wp_get_nav_menu_object( $menu_id );
@@ -1019,17 +1055,18 @@
 		} else {
 			return new WP_Error(
 				'menu_walker_not_exist',
-				/* translators: %s: walker class name */
 				sprintf(
+					/* translators: %s: Walker class name. */
 					__( 'The Walker class named %s does not exist.' ),
 					'<strong>' . $walker_class_name . '</strong>'
 				)
 			);
 		}
 
-		$some_pending_menu_items = $some_invalid_menu_items = false;
+		$some_pending_menu_items = false;
+		$some_invalid_menu_items = false;
 		foreach ( (array) $menu_items as $menu_item ) {
-			if ( isset( $menu_item->post_status ) && 'draft' == $menu_item->post_status ) {
+			if ( isset( $menu_item->post_status ) && 'draft' === $menu_item->post_status ) {
 				$some_pending_menu_items = true;
 			}
 			if ( ! empty( $menu_item->_invalid ) ) {
@@ -1060,7 +1097,7 @@
  *
  * @since 3.0.0
  *
- * @return array Columns.
+ * @return string[] Array of column titles keyed by their column name.
  */
 function wp_nav_menu_manage_columns() {
 	return array(
@@ -1099,9 +1136,9 @@
  *
  * @since 3.6.0
  *
- * @param int|string $nav_menu_selected_id (id, slug, or name ) of the currently-selected menu
- * @param string $nav_menu_selected_title Title of the currently-selected menu
- * @return array $messages The menu updated message
+ * @param int|string $nav_menu_selected_id    ID, slug, or name of the currently-selected menu.
+ * @param string     $nav_menu_selected_title Title of the currently-selected menu.
+ * @return array The menu updated message
  */
 function wp_nav_menu_update_menu_items( $nav_menu_selected_id, $nav_menu_selected_title ) {
 	$unsorted_menu_items = wp_get_nav_menu_items(
@@ -1113,9 +1150,11 @@
 			'post_status' => 'draft,publish',
 		)
 	);
-	$messages            = array();
-	$menu_items          = array();
-	// Index menu items by db ID
+
+	$messages   = array();
+	$menu_items = array();
+
+	// Index menu items by DB ID.
 	foreach ( $unsorted_menu_items as $_item ) {
 		$menu_items[ $_item->db_id ] = $_item;
 	}
@@ -1137,12 +1176,13 @@
 	);
 
 	wp_defer_term_counting( true );
-	// Loop through all the menu items' POST variables
+
+	// Loop through all the menu items' POST variables.
 	if ( ! empty( $_POST['menu-item-db-id'] ) ) {
 		foreach ( (array) $_POST['menu-item-db-id'] as $_key => $k ) {
 
-			// Menu item title can't be blank
-			if ( ! isset( $_POST['menu-item-title'][ $_key ] ) || '' == $_POST['menu-item-title'][ $_key ] ) {
+			// Menu item title can't be blank.
+			if ( ! isset( $_POST['menu-item-title'][ $_key ] ) || '' === $_POST['menu-item-title'][ $_key ] ) {
 				continue;
 			}
 
@@ -1161,7 +1201,7 @@
 		}
 	}
 
-	// Remove menu items from the menu that weren't in $_POST
+	// Remove menu items from the menu that weren't in $_POST.
 	if ( ! empty( $menu_items ) ) {
 		foreach ( array_keys( $menu_items ) as $menu_item_id ) {
 			if ( is_nav_menu_item( $menu_item_id ) ) {
@@ -1173,19 +1213,23 @@
 	// Store 'auto-add' pages.
 	$auto_add        = ! empty( $_POST['auto-add-pages'] );
 	$nav_menu_option = (array) get_option( 'nav_menu_options' );
+
 	if ( ! isset( $nav_menu_option['auto_add'] ) ) {
 		$nav_menu_option['auto_add'] = array();
 	}
+
 	if ( $auto_add ) {
-		if ( ! in_array( $nav_menu_selected_id, $nav_menu_option['auto_add'] ) ) {
+		if ( ! in_array( $nav_menu_selected_id, $nav_menu_option['auto_add'], true ) ) {
 			$nav_menu_option['auto_add'][] = $nav_menu_selected_id;
 		}
 	} else {
-		if ( false !== ( $key = array_search( $nav_menu_selected_id, $nav_menu_option['auto_add'] ) ) ) {
+		$key = array_search( $nav_menu_selected_id, $nav_menu_option['auto_add'], true );
+		if ( false !== $key ) {
 			unset( $nav_menu_option['auto_add'][ $key ] );
 		}
 	}
-	// Remove nonexistent/deleted menus
+
+	// Remove non-existent/deleted menus.
 	$nav_menu_option['auto_add'] = array_intersect( $nav_menu_option['auto_add'], wp_get_nav_menus( array( 'fields' => 'ids' ) ) );
 	update_option( 'nav_menu_options', $nav_menu_option );
 
@@ -1195,8 +1239,8 @@
 	do_action( 'wp_update_nav_menu', $nav_menu_selected_id );
 
 	$messages[] = '<div id="message" class="updated notice is-dismissible"><p>' .
-		/* translators: %s: nav menu title */
 		sprintf(
+			/* translators: %s: Nav menu title. */
 			__( '%s has been updated.' ),
 			'<strong>' . $nav_menu_selected_title . '</strong>'
 		) . '</p></div>';
@@ -1224,7 +1268,7 @@
 	if ( ! is_null( $data ) && $data ) {
 		foreach ( $data as $post_input_data ) {
 			// For input names that are arrays (e.g. `menu-item-db-id[3][4][5]`),
-			// derive the array path keys via regex and set the value in $_POST.
+			// derive the array path keys via regex and set the value in $_POST.
 			preg_match( '#([^\[]*)(\[(.+)\])?#', $post_input_data->name, $matches );
 
 			$array_bits = array( $matches[1] );
@@ -1236,8 +1280,8 @@
 			$new_post_data = array();
 
 			// Build the new array value from leaf to trunk.
-			for ( $i = count( $array_bits ) - 1; $i >= 0; $i -- ) {
-				if ( $i == count( $array_bits ) - 1 ) {
+			for ( $i = count( $array_bits ) - 1; $i >= 0; $i-- ) {
+				if ( count( $array_bits ) - 1 == $i ) {
 					$new_post_data[ $array_bits[ $i ] ] = wp_slash( $post_input_data->value );
 				} else {
 					$new_post_data = array( $array_bits[ $i ] => $new_post_data );