Menu enhancements. Props ptahdunbar. fixes #11817
git-svn-id: http://svn.automattic.com/wordpress/trunk@13512 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@@ -7,22 +7,65 @@
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* @since 3.0.0
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*/
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// Deletes a nav menu
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function wp_delete_nav_menu( $menu_id ) {
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$menu_id = (int) $menu_id;
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if ( !$menu_id )
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return false;
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$menu_objects = get_objects_in_term( $menu_id, 'nav_menu' );
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if ( !empty( $menu_objects ) ) {
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foreach ( $menu_objects as $item ) {
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wp_delete_post( $item );
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}
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}
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wp_delete_term( $menu_id, 'nav_menu' );
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/**
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* Returns a Navigation Menu object
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*
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* @since 3.0.0
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*
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* @param string $menu Menu id
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* @return mixed $menu|false
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*/
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function wp_get_nav_menu_object( $menu ) {
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return is_nav_menu( $menu );
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}
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// Creates a new nav menu
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/**
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* Check if Menu exists.
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*
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* Returns the menu object, or false if the term doesn't exist.
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*
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* @since 3.0.0
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*
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* @param int|string $menu The menu to check
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* @return mixed Menu Object, if exists.
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*/
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function is_nav_menu( $menu ) {
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if ( $menu ) {
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$menu = get_term( $menu, 'nav_menu' );
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} elseif ( !$menu ) {
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$menu = get_term_by( 'slug', $menu, 'nav_menu' );
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} elseif( !$menu ) {
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$menu = get_term_by( 'name', $menu, 'nav_menu' );
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} else {
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$menu = false;
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}
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return $menu;
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}
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/**
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* Returns all Navigation Menu objects.
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*
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* @since 3.0.0
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*
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* @return array menu objects
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*/
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function wp_get_nav_menus() {
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return get_terms( 'nav_menu', array( 'hide_empty' => false, 'orderby' => 'id' ) );
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}
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/**
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* Creates a navigation menu.
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*
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* Optional args:
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* slug - the url friendly version of the nav menu.
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*
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* @since 3.0.0
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*
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* @param string $menu_name Menu Name
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* @param string $args Optional.
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* @return mixed Menu object|WP_Error
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*/
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function wp_create_nav_menu( $menu_name, $args = array() ) {
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$menu_exists = get_term_by( 'name', $menu_name, 'nav_menu' );
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@@ -39,10 +82,39 @@ function wp_create_nav_menu( $menu_name, $args = array() ) {
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if ( is_wp_error($menu) )
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return $menu;
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return get_term( $menu['term_id'], 'nav_menu');
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return get_term( $menu['term_id'], 'nav_menu') ;
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}
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// Creates a default menu if none exists
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/**
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* Deletes a navigation menu.
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*
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* @since 3.0.0
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*
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* @param string $menu name|id|slug
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* @return bool true on success, else false.
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*/
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function wp_delete_nav_menu( $menu ) {
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$menu = wp_get_nav_menu_object( $menu );
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if ( !$menu )
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return false;
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$menu_objects = get_objects_in_term( $menu->term_id, 'nav_menu' );
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if ( !empty( $menu_objects ) ) {
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foreach ( $menu_objects as $item ) {
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wp_delete_post( $item );
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}
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}
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wp_delete_term( $menu_id, 'nav_menu' );
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}
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/**
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* Creates a nav menu named 'Menu 1'.
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*
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* This function is called if the user doesn't have any nav menus.
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* It grabs the first 14 pages, and creates a new default menu.
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*
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* @since 3.0.0
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*/
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function wp_create_default_nav_menu() {
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$menu = wp_create_nav_menu( __('Menu 1'), array('slug' => 'menu-1') );
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@@ -61,23 +133,26 @@ function wp_create_default_nav_menu() {
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}
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}
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// Get nav menu by id
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function wp_get_nav_menu( $menu ) {
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return get_term( (int) $menu, 'nav_menu' );
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}
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// Get all nav menus
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function wp_get_nav_menus() {
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return get_terms( 'nav_menu', array( 'hide_empty' => false, 'orderby' => 'id' ) );
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}
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// Get the nav menu items
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/**
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* Returns the menu items of a navigation menu.
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*
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* @since 3.0.0
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*
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* @param string $menu menu name, id, or slug
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* @param string $args
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* @return mixed $items array of menu items, else false.
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*/
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function wp_get_nav_menu_items( $menu, $args = array() ) {
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$items = get_objects_in_term( (int) $menu, 'nav_menu' );
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$menu = wp_get_nav_menu_object( $menu );
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if ( !$menu )
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return false;
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$items = get_objects_in_term( $menu->term_id, 'nav_menu' );
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if ( ! empty( $items ) ) {
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$defaults = array( 'orderby' => 'menu_order', 'post_type' => 'nav_menu_item', 'post_status' => 'publish', 'output' => ARRAY_A, 'output_key' => 'menu_order' );
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$args = wp_parse_args($args, $defaults);
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$args = wp_parse_args( $args, $defaults );
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if ( count( $items ) > 1 )
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$args['include'] = implode( ',', $items );
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else
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@@ -90,21 +165,30 @@ function wp_get_nav_menu_items( $menu, $args = array() ) {
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foreach ( $items as $item ) {
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$output[$item->$args['output_key']] = $item;
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}
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unset($items);
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ksort($output);
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unset( $items );
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ksort( $output );
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return $output;
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}
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}
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return $items;
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}
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// wp_setup_nav_menu_item()
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function wp_setup_nav_menu_item($menu_item, $type = 'item', $position = 0) {
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/**
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* Returns a menu item with all it's nessecary data populated.
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*
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* @since 3.0.0
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*
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* @param string $menu_item Menu item.
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* @param string $type item|category|page.
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* @param string $position position of the menu item.
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* @return $menu_item
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*/
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function wp_setup_nav_menu_item( $menu_item, $type = 'item', $position = 0 ) {
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global $parent_menu_order;
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if ( 'item' == $type ) {
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$menu_item->type = get_post_meta($menu_item->ID, 'menu_type', true);
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$menu_item->object_id = get_post_meta($menu_item->ID, 'object_id', true);
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$menu_item->type = get_post_meta( $menu_item->ID, 'menu_type', true );
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$menu_item->object_id = get_post_meta( $menu_item->ID, 'object_id', true );
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$menu_item->target = ( get_post_meta( $menu_item->ID, 'menu_new_window', true ) ) ? 'target="_blank"' : '';
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if ( isset( $parent_menu_order[ $menu_item->post_parent ] ) )
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$menu_item->parent_item = $parent_menu_order[ $menu_item->post_parent ];
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@@ -165,8 +249,9 @@ function wp_setup_nav_menu_item($menu_item, $type = 'item', $position = 0) {
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$menu_item->li_class = '';
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global $wp_query;
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if ( $menu_item->ID == $wp_query->get_queried_object_id() )
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$menu_item->li_class = 'class="current_page_item"';
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if ( $menu_item->object_id == $wp_query->get_queried_object_id() )
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$menu_item->li_class = ' current_page_item';
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$menu_item->anchor_title = '';
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/* @todo: update to use tax/post data
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@@ -195,5 +280,4 @@ function wp_setup_nav_menu_item($menu_item, $type = 'item', $position = 0) {
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return $menu_item;
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}
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?>
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