Custom Post Type and Taxonomy registration example for WordPress

WordPress - Custom Post Type and Custom Taxonomy.php

<?php
/* Register Custom Post Type */

add_action( 'init', 'create_post_type' );

function create_post_type() {
        register_post_type( 'case-study',
		array(
			'labels' => array(
				'name' => __( 'Case Studies' ),
				'singular_name' => __( 'Case Study' )
			),
		'public' => true,
		'has_archive' => true,
		'show_in_admin_bar' => true,
		'show_ui' => true,
		)
	);
}

/* Register Custom Taxonomy */

add_action( 'init', 'create_case_study_taxonomies', 0 );

function create_case_study_taxonomies() 
{
	register_taxonomy('case-study-category','case-study',array(
		'hierarchical' => true,
		'label' => 'Category',
		'query_var' => true,
		'rewrite' => array( 'slug' => 'category' ),
	));
}
?>