custom taxonamy plugin files

my-custom-taxonomies.php
<?php
/**
 * My Custom Taxonomies
 *
 * Demonstrates how to create custom taxonomies using the WordPress API.
 * Showcases both hierarchical and non-hierarchical taxonomies.
 *
 * @link              http://code.tutsplus.com/series/the-beginners-guide-to-wordpress-taxonomies--cms-706
 * @since             1.0.0
 * @package           Custom_Taxonomies
 *
 * @wordpress-plugin
 * Plugin Name:       My Custom Taxonomies
 * Plugin URI:        http://example.com/plugin-name-uri/
 * Description:       Demonstrates how to create custom taxonomies using the WordPress API.
 * Version:           1.0.0
 * Author:            Tom McFarlin
 * Author URI:        http://tommcfarlin.com/
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 */
/** Loads the custom taxonomy class file. */
require_once( dirname( __FILE__ ) . '/class-my-custom-taxonomies.php' );

/**
 * Creates an instance of the My_Custom_Taxonomies class
 * and calls its initialization method.
 *
 * @since    1.0.0
 */
function custom_taxonomies_run() {

    $custom_tax = new My_Custom_Taxonomies();
    $custom_tax->init();

}
custom_taxonomies_run();

?>
----------------------------------File 2 --------------------------------------------------------
this is a class file name of file is - class-mycustom-taxonomies.php
<?php

/**
 * The core plugin class file
 *
 * Defines the functions necessary to register our custom taxonomies with
 * WordPress.
 *
 * @link       http://code.tutsplus.com/series/the-beginners-guide-to-wordpress-taxonomies--cms-706
 * @since      1.0.0
 *
 * @package    Custom_Taxonomies
 * @author     Tom McFarlin <tom@tommcfarlin.com>
 */
class My_Custom_Taxonomies {

    /**
     * Initializes the plugin by registering the hooks necessary
     * for creating our custom taxonomies within WordPress.
     *
     * @since    1.0.0
     */
    public function init() {

 add_action( 'init', array( $this, 'init_photographs' ) );
      add_action( 'init', array( $this, 'init_videos' ) );
 add_action( 'init', array( $this, 'init_film_type' ) );

    }
/**
 * Creates the Photographs taxonomy that appears on all Post dashboard
 * pages.
 *
 * @since    1.0.0
 */
public function init_photographs() {

    $labels = array(
        'name'          => 'Photographs',
        'singular_name' => 'Photograph',
        'edit_item'     => 'Edit Photograph',
        'update_item'   => 'Update Photograph',
        'add_new_item'  => 'Add New Photograph',
        'menu_name'     => 'Photographs'
    );

    $args = array(
        'hierarchical'      => true,
        'labels'            => $labels,
        'show_ui'           => true,
        'show_admin_column' => true,
        'rewrite'           => array( 'slug' => 'photograph' )
    );

    register_taxonomy( 'photograph', 'post', $args );

}
/**
 * Creates the Videos taxonomy that appears on all Post dashboard
 * pages.
 *
 * @since    1.0.0
 */
public function init_videos() {

    $labels = array(
        'name'          => 'Videos',
        'singular_name' => 'Video',
        'edit_item'     => 'Edit Video',
        'update_item'   => 'Update Video',
        'add_new_item'  => 'Add New Video',
        'menu_name'     => 'Videos'
    );

    $args = array(
        'hierarchical'      => false,
        'labels'            => $labels,
        'show_ui'           => true,
        'show_admin_column' => true,
        'rewrite'           => array( 'slug' => 'video' )
    );

    register_taxonomy( 'video', 'post', $args );

}



/**
 * Creates the Film Type taxonomy that appears on all Post dashboard
 * pages.
 *
 * @since    1.0.0
 */
public function init_film_type() {

    $labels = array(
        'name'          => 'Film Type',
        'singular_name' => 'Film Type',
        'edit_item'     => 'Edit Film Type',
        'update_item'   => 'Update Film Type',
        'add_new_item'  => 'Add New Film Type',
        'menu_name'     => 'Film Type'
    );

    $args = array(
        'hierarchical'      => false,
        'labels'            => $labels,
        'show_ui'           => true,
        'show_admin_column' => true,
        'rewrite'           => array( 'slug' => 'film-type' )
    );

    register_taxonomy( 'film-type', 'post', $args );

}

}