WordPress Custom Post Type

posttype.php

<?php 
function myplugin_add_post_type() {

	register_post_type( 'reviews',
		array(
			'labels' => array(
				'name' => __( 'Reviews' ),
				'singular_name' => __( 'Review' )
			),
			'public' => true,
			'has_archive' => true,
			'rewrite' => array('slug' => 'reviews'),
		)
	);
}
// Hooking up our function to theme setup
add_action( 'init', 'myplugin_add_post_type' );