Criar CPT no WP

cpt.php

<?php
/**
 * Arquivo para criação de CPTs e Taxonomias
 *
 */

// CPT Labs
$create_cpt->cpt( array(
        'slug' => 'labs',
        'name' => 'Labs',
        'singular_name' => 'Lab'
));


// Taxonomia Tags
$create_cpt->taxonomy( array(
        'slug' => 'tags',
        'name' => 'Tags',
        'singular_name' => 'Tag',
        'hierarchical' => false,
        'show_admin_column' => true,
        'cpt' => 'labs'
));

create-cpt.class.php

<?php

class CreateCPT {

        /**
         * Construct
         */
        public function __construct() {
                add_action( 'init', array( &$this, 'cpt' ), 10 );
                add_action( 'init', array( &$this, 'taxonomy' ), 10 );
        }



        /**
         * CPT
         */
        public function cpt( $args ) {
                $this->make_cpt( $args );
        }



        /**
         * Make CPT
         */
        public function make_cpt( $args ) {

                if( $args ) {
                        register_post_type( $args['slug'], array(
                                'labels' => array(
                                        'name' => $args['name'],
                                        'singular_name' => $args['singular_name']
                                ),

                                'public' => true,
                                'has_archive' => $args['slug'],
                                'show_ui' => true,
                                'menu_position' => 5,
                                'supports' => array(
                                        'title',
                                        'editor',
                                        'author',
                                        'excerpt',
                                        'thumbnail'
                                ),
                                'rewrite' => array( 'slug' => $args['slug'], 'with_front' => true )
                        ));
                }
        }



        /**
         * Taxonomy
         */
        public function taxonomy( $args ) {
                $this->make_taxonomy( $args );
        }



        /**
         * Make Taxonomy
         */
        public function make_taxonomy( $args ) {

                if( $args ) {
                        register_taxonomy( $args['slug'], $args['cpt'], array(
                                'labels' => array(
                                        'name' => $args['name'],
                                        'singular_name' => $args['singular_name']
                                ),
                                'public' => true,
                                'hierarchical' => $args['hierarchical'],
                                'show_admin_column' => $args['show_admin_column'],
                                'rewrite' => array( 'slug' => $args['slug'] )
                        ));
                }

        }

} // class CreateCPT

$create_cpt = new CreateCPT();