Final Project – Complete WooCommerce Plugin Development

Final Project – Complete WooCommerce Plugin Development — a practical guide to WooCommerce plugin final project with clear examples you can reuse in real projects.

WooCommerce Plugin Development Series (101/101). Prefer one article? Read the complete WooCommerce plugin development tutorial.

Short description

Ship a professional plugin: Woo dependency checks, settings page, product/checkout custom fields, HPOS compatibility declaration, logging, and docs — plus either a custom fee/shipping method or a demo payment gateway.

Steps

1. Define the merchant problem (fees, fields, gateway).
2. Implement secure settings + data saves.
3. Declare HPOS compatibility and test checkout.
4. Document and package for release.

Final project scope

1. Plugin bootstrap + Woo active check
2. Settings tab/fields
3. Custom product field + display
4. Custom checkout field + validation + order meta
5. Cart fee or shipping method OR gateway skeleton
6. HPOS compatibility declaration
7. Logger + basic admin tool
8. readme.txt + changelog
9. Checkout smoke-test checklist

Starter bootstrap

<?php
/**
 * Plugin Name: Acme Woo Extension
 * Description: Complete WooCommerce training project.
 * Version: 1.0.0
 * Requires Plugins: woocommerce
 * Text Domain: acme-woo
 */

if (! defined('ABSPATH')) exit;

add_action('plugins_loaded', function () {
    if (! class_exists('WooCommerce')) return;
    require_once __DIR__ . '/includes/class-acme-woo-plugin.php';
    AcmeWooPlugin::instance(__FILE__)->boot();
});