Pressbooks\Taxonomy::registerTaxonomies PHP Method

    static function registerTaxonomies()
    {
        /* Front Matter Type */
        $labels = array('name' => _x('Front Matter Types', 'taxonomy general name'), 'singular_name' => _x('Front Matter Type', 'taxonomy singular name'), 'search_items' => __('Search Front Matter Types', 'pressbooks'), 'popular_items' => __('Popular Front Matter Types', 'pressbooks'), 'all_items' => __('All Front Matter Types', 'pressbooks'), 'parent_item' => null, 'parent_item_colon' => null, 'edit_item' => __('Edit Front Matter Type', 'pressbooks'), 'update_item' => __('Update Front Matter Type', 'pressbooks'), 'add_new_item' => __('Add New Front Matter Type', 'pressbooks'), 'new_item_name' => __('New Front Matter Type Name', 'pressbooks'), 'separate_items_with_commas' => __('Separate front matter types with commas', 'pressbooks'), 'add_or_remove_items' => __('Add or remove front matter type', 'pressbooks'), 'choose_from_most_used' => __('Choose from the most used front matter type', 'pressbooks'), 'menu_name' => __('Front Matter Types', 'pressbooks'));
        // can only apply front matter taxonomy to front matter post type
        register_taxonomy('front-matter-type', 'front-matter', array('hierarchical' => true, 'capabilities' => array('manage_terms' => 'manage_sites', 'edit_terms' => 'manage_sites', 'delete_terms' => 'manage_sites', 'assign_terms' => 'edit_posts'), 'labels' => $labels, 'show_ui' => true, 'query_var' => true, 'rewrite' => array('slug' => 'front-matter-type')));
        /* Back Matter Type */
        $labels = array('name' => _x('Back Matter Types', 'taxonomy general name'), 'singular_name' => _x('Back Matter Type', 'taxonomy singular name'), 'search_items' => __('Search Back Matter Types', 'pressbooks'), 'popular_items' => __('Popular Back Matter Types', 'pressbooks'), 'all_items' => __('All Back Matter Types', 'pressbooks'), 'parent_item' => null, 'parent_item_colon' => null, 'edit_item' => __('Edit Back Matter Type', 'pressbooks'), 'update_item' => __('Update Back Matter Type', 'pressbooks'), 'add_new_item' => __('Add New Back Matter Type', 'pressbooks'), 'new_item_name' => __('New Back Matter Type Name', 'pressbooks'), 'separate_items_with_commas' => __('Separate back matter types with commas', 'pressbooks'), 'add_or_remove_items' => __('Add or remove back matter type', 'pressbooks'), 'choose_from_most_used' => __('Choose from the most used back matter type', 'pressbooks'), 'menu_name' => __('Back Matter Types', 'pressbooks'));
        // can only apply back matter taxonomy to back matter post type
        register_taxonomy('back-matter-type', 'back-matter', array('hierarchical' => true, 'capabilities' => array('manage_terms' => 'manage_sites', 'edit_terms' => 'manage_sites', 'delete_terms' => 'manage_sites', 'assign_terms' => 'edit_posts'), 'labels' => $labels, 'show_ui' => true, 'query_var' => true, 'rewrite' => array('slug' => 'back-matter-type')));
        /* Chapter Type */
        $labels = array('name' => _x('Chapter Types', 'taxonomy general name'), 'singular_name' => _x('Chapter Type', 'taxonomy singular name'), 'search_items' => __('Search Chapter Types', 'pressbooks'), 'popular_items' => __('Popular Chapter Types', 'pressbooks'), 'all_items' => __('All Chapter Types', 'pressbooks'), 'parent_item' => null, 'parent_item_colon' => null, 'edit_item' => __('Edit Chapter Type', 'pressbooks'), 'update_item' => __('Update Chapter Type', 'pressbooks'), 'add_new_item' => __('Add New Chapter Type', 'pressbooks'), 'new_item_name' => __('New Chapter Type Name', 'pressbooks'), 'separate_items_with_commas' => __('Separate chapter types with commas', 'pressbooks'), 'add_or_remove_items' => __('Add or remove chapter type', 'pressbooks'), 'choose_from_most_used' => __('Choose from the most used chapter type', 'pressbooks'), 'menu_name' => __('Chapter Types', 'pressbooks'));
        // can only apply chapter taxonomy to chapter post type
        register_taxonomy('chapter-type', 'chapter', array('hierarchical' => true, 'capabilities' => array('manage_terms' => 'manage_sites', 'edit_terms' => 'manage_sites', 'delete_terms' => 'manage_sites', 'assign_terms' => 'edit_posts'), 'labels' => $labels, 'show_ui' => true, 'query_var' => true, 'rewrite' => array('slug' => 'chapter-type')));
    }