You misunderstood the quote, the URL needs to be
http://example.com/?cat=32,33
I just tested it and it seems to work. However, the title was only one of the categories’ name, there might be other problems with this solution.
Related Posts:
- Display a portion/ branch of the menu tree using wp_nav_menu()
- Programmatically add a Navigation menu and menu items
- Any docs for wp_nav_menu’s “items_wrap” argument?
- Customizing Only a Specific Menu using the “wp_nav_menu_items” Hook?
- Changing the Order of Admin Menu Sections?
- How make top level menu item not have link, but have sub-menus that are linked?
- Add ‘has_children’ class to parent li when modifying Walker_Nav_Menu
- Get WP Navigation Menu from REST API V2
- How to Hard Code Custom menu items
- How to add a Custom Link to a Menu with a URL that is relative to the blog URL
- How do I remove UL on wp_nav_menu?
- Retrieving a list of menu items in an array
- WordPress default menu in database
- Adding an Arbitrary Link to the Admin Menu?
- Dynamically exclude menu items from wp_nav_menu
- Add “Logout” link to navigation menu
- Error: Declaration of MyClass::start_lvl() should be compatible with that of Walker_Nav_Menu::start_lvl()
- Split up wp_nav_menu with custom walker
- Removing container from wp_nav_menu not working
- Custom Nav walker display current menu item children, or siblings on no children
- wp_nav_menu: show menu only if one exists, otherwise show nothing
- Is there an easy way to replace a custom menu link with a page or post?
- Convert output of nav_menu items into a tree-like multidimensional array
- Get page IDs from nav items
- Add a custom walker to a menu created in a widget
- Using a menu walker add a custom item at the end of the menu’s items
- Add settings to menu items in the Customizer
- wp_get_nav_menu_items() not working with slug
- How to get current-menu-item title as variable?
- Error “Trying to get property of non-object” with Custom Walker for wp_nav_menu
- Add Class to Specific Link in Custom Menu
- Remove a menu item in menu
- Generate a Menu that Displays Child Pages using wp_list_pages() with the New Menu Functionality in WordPress 3.0?
- How do I get the name of a menu in WordPress?
- How to Add to Each Menu Link with link text to data-attr?
- How to manually specify the current active page with wp_nav_menu()
- How to count nav menu items?
- How Does The Walker Class Work?
- Add Javascript to WordPress Menu
- Add custom menu item using wp_nav_menu_items filter
- Filter wp_nav_menu()
- How to modify navigation menu of the “My Account” page in WooCommerce
- remove “edit your profile” from admin menu bar
- WordPress Settings API, Implementing Tabs On Custom Menu Page
- Adding line breaks to nav menu items
- Adding category ID or slug to WP Nav Menu
- add custom class to wp_nav_menu using filter hook nav_menu_css_class
- Custom ID for certain menu item?
- Does Extending Multiple Nav_Menu_Walkers Allow Nested Menus?
- Check if page is in a certain menu
- how to create a menu with all sub categories?
- Making breadcrumb with wp_nav_menu
- Does WP REST API have a built in route for calling menu?
- How to avoid wp_nav_menu() ID conflict?
- Add data-icon input to WordPress custom menu links
- Registering menu with ‘Automatically add new top-level pages to this menu’ selected
- Why do Custom Nav Menus generate so many classes on list items? Can I manage this somehow?
- wp_nav_menu remove class and id from li
- Custom search filter causes menu and query_posts problems
- Unregister Nav Menu from Child-Theme
- How does a minimal menu walker look like?
- Add separator to admin submenu
- fall back for main menu?
- On which hook should I be calling register_nav_menu(s)?
- WordPress Shortcode in Menu Item Title
- register_nav_menus() won’t register menus
- Calling the Menu Title within wp_nav_menu array function
- How can I create an auto-populated menu that is automatically assigned to a location?
- Display only page specific sub menu items using Custom Walker
- How do I add a search box to the nav menu?
- How to get IDs for objects in menu branch?
- New post notification in wp_nav_menu
- Custom Post Types posts as submenus in Nav Menu
- Link to Author archive from Navigation Menus in dashboard?
- How to stop mobile theme inheriting desktop navigation menu?
- Add child pages automatically to nav menu
- adding some custom html code to the wp_nav_menu function
- WordPress Menu Custom Walker Class
- Show just one level of child pages, wp_list_pages woe
- Increase search results for Admin -> Appearance -> Menus -> Search (default is 10)
- How to create this custom menu walker?
- Removing link ” from ” menu for some “links” without JS
- How to change order of menu items
- Renaming a WordPress Admin Menu
- Whats the difference between current_page_item and current-menu-item
- Using nonce in menu item
- Remove unusable metaboxes in nav menu management screen
- Menu limit, cannot add new menu items
- Highlight parent menu item when child is not in menu
- Show current navigation path from menu
- Deleted pages are NOT removed from custom menus?
- How can I add (custom) modules to Appearance -> Menus?
- Custom settings disappear during database migration?
- Call custom field into menu item
- How do I add nested categories to drop-down menu in twenty-eleven?
- Use navigation path from menu for permalink
- Add custom page link with anchor
- Exclude Private, Draft pages from Primary Nav when using custom menu
- Automatically remove trashed pages from nav menu
- How to hide an item from a menu to logged out users (without a plugin)