PHP: WordPress Custom Post Type

custom_post.php

<?php

function register_cpt_slides() {

	$post_type = 'slides';

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

	$args = array(
		'labels'              => $labels,
		'hierarchical'        => false,
		'supports'            => array( 'title', 'editor', 'excerpt', 'thumbnail', 'revisions' ),
		'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'     => 'post'
	);

	register_post_type( $post_type, $args );
}

add_action( 'init', 'register_cpt_slides' );