Add a custom post type to WordPress with code

This code snippet allows you to add a custom post type to WordPress. In this snippet, we are adding a new CPT called "Custom Post Type" with the slug "custom_post_type".

PHP

function create_custom_post_type() {
  register_post_type( 'custom_post_type',
    array(
       'labels' => array(
        'name' => __( 'Custom Post Type' ),
        'singular_name' => __( 'Custom Post Type' )
      ),
      'public' => true,
      'has_archive' => true,
      'rewrite' => array( 'slug' => 'custom-post-type' ),
    )
  );
}
add_action( 'init', 'create_custom_post_type' );