如何创建一个简单的 WordPress 插件

<?php
/**
* Hot Recipes
*
* @package HOTRECIPES
* @author Freddy
* @license gplv2-or-later
* @version 1.0.0
*
* @wordpress-plugin
* Plugin Name: Hot Recipes
* Plugin URI: https://vistamedia.me
* Description: The Hot Recipes WordPress plugins adds a custom post type suitable for restaurants.
* Version: 1.0.0
* Author: Freddy
* Author URI: https://vistamedia.me
* Text Domain: hot-recipes
* Domain Path: /languages
* License: GPLv2 or later
* License URI: https://www.gnu.org/licenses/gpl-2.0.html
*
* You should have received a copy of the GNU General Public License
* along with Hot Recipes. If not, see <https://www.gnu.org/licenses/gpl-2.0.html/>.
*/

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) exit;

// Plugin name
define( 'HOTRECIPES_NAME', 'Hot Recipes' );

// Plugin version
define( 'HOTRECIPES_VERSION', '1.0.0' );

// Plugin Root File
define( 'HOTRECIPES_PLUGIN_FILE', __FILE__ );

// Plugin base
define( 'HOTRECIPES_PLUGIN_BASE', plugin_basename( HOTRECIPES_PLUGIN_FILE ) );

// Plugin Folder Path
define( 'HOTRECIPES_PLUGIN_DIR', plugin_dir_path( HOTRECIPES_PLUGIN_FILE ) );

// Plugin Folder URL
define( 'HOTRECIPES_PLUGIN_URL', plugin_dir_url( HOTRECIPES_PLUGIN_FILE ) );

/**
* Load the main class for the core functionality
*/
require_once HOTRECIPES_PLUGIN_DIR . 'core/class-hot-recipes.php';

/**
* The main function to load the only instance
* of our master class.
*
* @author Freddy
* @since 1.0.0
* @return object|Hot_Recipes
*/
function HOTRECIPES() {
	return Hot_Recipes::instance();
}

HOTRECIPES();

/**
 * Registers the recipes post type.
 */
function hot_recipes_register_post_types() {

	// Set UI labels for the recipes post type.
	$labels = array(
		'name' => _x( 'Recipes', 'Post Type General Name', 'hot-recipes' ),
		'singular_name' => _x( 'Recipe', 'Post Type Singular Name', 'hot-recipes' ),
		'menu_name' => __( 'Recipes', 'hot-recipes' ),
		'parent_item_colon' => __( 'Parent Recipe', 'hot-recipes' ),
		'all_items' => __( 'All Recipes', 'hot-recipes' ),
		'view_item' => __( 'View Recipe', 'hot-recipes' ),
		'add_new_item' => __( 'Add New Recipe', 'hot-recipes' ),
		'add_new' => __( 'Add New', 'hot-recipes' ),
		'edit_item' => __( 'Edit Recipe', 'hot-recipes' ),
		'update_item' => __( 'Update Recipe', 'hot-recipes' ),
		'search_items' => __( 'Search Recipe', 'hot-recipes' ),
		'not_found' => __( 'Not Found', 'hot-recipes' ),
		'not_found_in_trash' => __( 'Not found in Trash', 'hot-recipes' ),
	);

	// Set other arguments for the recipes post type.
	$args = array(
		'label' => __( 'recipes', 'hot-recipes' ),
		'description' => __( 'Recipes.', 'hot-recipes' ),
		'labels' => $labels,
		'supports' => array(
			'title',
			'editor',
			'excerpt',
			'author',
			'thumbnail',
			'comments',
			'revisions',
			'custom-fields',
		),
		'taxonomies' => array(),
		'hierarchical' => false,
		'public' => true,
		'show_ui' => true,
		'show_in_menu' => true,
		'show_in_nav_menus' => true,
		'show_in_admin_bar' => true,
		'menu_position' => 5,
		'can_export' => true,
		'has_archive' => true,
		'exclude_from_search' => false,
		'publicly_queryable' => true,
		'capability_type' => 'post',
		'show_in_rest' => true,
	);

	// Registes the recipes post type.
	register_post_type( 'recipes', $args );

}
add_action( 'init', 'hot_recipes_register_post_types' );