An example plugin that demonstrates how to easily add new Taxonomies to your WordPress blog.
<?php /* Plugin Name: Yor Custom Taxonomies Plugin URI: http://stevenword.wpengine.com// Description: Adds custom taxonomies for your WordPress blog Version: 1.0.0 Author: Steven Word Author URI: http://stevenword.wpengine.com/ */ function skw_build_taxonomies() { //VEHICLES $vehicle_args = array( 'label' => 'Vehicles', 'hierarchical' => true, 'query_var' => true, 'rewrite' => array('slug' => 'vehicles') ); register_taxonomy( 'skw_vehicles', 'post', $vehicle_args ); //BRANDS $brand_args = array( 'label' => 'Brands', 'hierarchical' => true, 'query_var' => true, 'rewrite' => array('slug' => 'brands') ); register_taxonomy( 'skw_brands', 'post', $brand_args ); } add_action( 'init', 'skw_build_taxonomies', 0 ); ?>