//Register the custom post type
register_post_type( 'my_custom_type',
  array(
    'labels' => array(
      'name' => _x('Custom Type Items', 'post type general name'),
      'singular_name' => _x('Custom Type', 'post type singular name'),
      'add_new' => _x('Add New', 'custom_type'),
      'add_new_item' => __('Add New Item'),
      'edit_item' => __('Edit Item'),
      'new_item' => __('New Item'),
      'all_items' => __('All Items'),
      'view_item' => __('View item'),
      'search_items' => __('Search item'),
      'not_found' =>  __('No items found'),
      'not_found_in_trash' => __('No items found in trash'),
      'parent_item_colon' => '',
      'menu_name' => 'Custom Type',
    ),
    'supports' => array('title'),
    'public' => true,
  )
);

//Register categories for the custom type
register_taxonomy( 'my_custom_type_categories', 'my_custom_type', array(
  'hierarchical' => true,
  'label' => __( 'Categories for Custom Type' ),
  'show_ui' => true
  )
);


$cat = get_terms('my_custom_type_categories'); //All categories for post type

$q = new WP_Query (array ('taxonomy'=>'my_custom_type_categories','term'=> $cat->slug)); //Posts from the taxonomy

Wordpress Custom Post Type, custom taxonomy and queries

Wordpress Custom Post Type, custom taxonomy and queries

php, wordpress

PHP