Highlight menu item of wp_nav_menu on CPT
The code below finds the menu item with the class “[CPT]-menu-item” and adds another “current_page_parent” class to it. Furthermore, it removes the “current_page_parent” from the blog menu item, if this is present.
/** * Snippet Name: Highlight menu item of wp_nav_menu on CPT * Snippet URL: https://wpcustoms.net/snippets/highlight-menu-item-of-wp_nav_menu-on-cpt/ */ function current_type_nav_class($classes, $item) { // Get post_type for this post $post_type = get_query_var('post_type'); // Removes current_page_parent class from blog menu item if ( get_post_type() == $post_type ) $classes = array_filter($classes, "get_current_value" ); // Go to Menus and add a menu class named: {custom-post-type}-menu-item // This adds a current_page_parent class to the parent menu item if( in_array( $post_type.'-menu-item', $classes ) ) array_push($classes, 'current_page_parent'); return $classes; } function get_current_value( $element ) { return ( $element != "current_page_parent" ); } add_filter('nav_menu_css_class', 'current_type_nav_class', 10, 2);