Sample of a WordPress custom post type set up for a DataFlexor Gym example

gymcpt.php

add_action( 'init', 'register_cpt_gym' );

function register_cpt_gym() {

    $labels = array( 
        'name' => _x( 'Gyms', 'gym' ),
        'singular_name' => _x( 'Gym', 'gym' ),
        'add_new' => _x( 'Add New', 'gym' ),
        'add_new_item' => _x( 'Add New', 'gym' ),
        'edit_item' => _x( 'Edit', 'gym' ),
        'new_item' => _x( 'New', 'gym' ),
        'view_item' => _x( 'View', 'gym' ),
        'search_items' => _x( 'Search Gyms', 'gym' ),
        'not_found' => _x( 'No Gyms found', 'gym' ),
        'not_found_in_trash' => _x( 'No Gyms found in Trash', 'gym' ),
        'parent_item_colon' => _x( 'Parent Gym:', 'gym' ),
        'menu_name' => _x( 'Gyms', 'gym' ),
    );

    $args = array( 
        'labels' => $labels,
        'hierarchical' => true,
        'description' => 'Franko\'s Gyms',
        'supports' => array( 'title', 'editor', 'custom-fields', 'comments', 'revisions', 'page-attributes' ),
        'taxonomies' => array( 'category', 'post_tag', ),
        'public' => true,
        'show_ui' => true,
        'show_in_menu' => true,
        
        
        'show_in_nav_menus' => true,
        'publicly_queryable' => true,
        'exclude_from_search' => false,
        'has_archive' => true,
        'query_var' => true,
        'can_export' => true,
        'rewrite' => true,
        'capability_type' => 'page'
    );

    register_post_type( 'gym', $args );

}

/**
 * Add custom taxonomies
 *
 * Additional custom taxonomies can be defined here
 * http://codex.wordpress.org/Function_Reference/register_taxonomy
 */
function add_custom_taxonomies_gym() {
  // Add new "Locations" taxonomy to Posts
  register_taxonomy('gym_dftype', 'gym', array(
    // Hierarchical taxonomy (like categories)
    'hierarchical' => true,
    // This array of options controls the labels displayed in the WordPress Admin UI
    'labels' => array(
      'name' => _x( 'Gym Types', 'taxonomy general name', 'gym' ),
      'singular_name' => _x( 'Gym Type', 'taxonomy singular name', 'gym' ),
      'search_items' =>  __( 'Search Gym Types', 'gym' ),
      'all_items' => __( 'All Gym Types', 'gym' ),
      'parent_item' => __( 'Parent Gym Type', 'gym' ),
      'parent_item_colon' => __( 'Parent Gym Type:', 'gym' ),
      'edit_item' => __( 'Edit Gym Type' ),
      'update_item' => __( 'Update Gym Type', 'gym' ),
      'add_new_item' => __( 'Add New Gym Type', 'gym' ),
      'new_item_name' => __( 'New Gym Type Name', 'gym' ),
      'menu_name' => __( 'Gym Types' ),
    ),
    // Control the slugs used for this taxonomy
    'rewrite' => array(
      'slug' => 'gym_dftypes', // This controls the base slug that will display before each term
      'with_front' => false, // Don't display the category base before "/locations/"
      'hierarchical' => true // This will allow URL's like "/locations/boston/cambridge/"
    ),
  ));
}
add_action( 'init', 'add_custom_taxonomies_gym', 0 );