1. Building your first
WooCommerce
extension
@bryceadams
WooThemes + Automattic

2. EXTENSIONS

3. Plugins

4. Plugins
Any differences?

5. Basics

6. Have WooCommerce?

7. Have WooCommerce?
if ( class_exists( ‘WooCommerce’ ) ) {
// load your plugin
}

8. Have WooCommerce?
if ( class_exists( ‘WooCommerce’ ) ) {
// load your plugin
}

9. Translation-ready
Extendable
WordPress coding standards
Good documentation

10. Hello [Woo]

11. What’s going on?

12. Just for [Woo]

13. Use <WP> functions

14. What’s going on?

15. Add to [Woo]

16. What’s going on?

17. Don’t be afraid to go
through the code

19. Let’s use $this

21. Make your own
Payment/Shipping
Gateway

22. Modify shipping rates

23. Ship to [Woo]

24. What’s going on?

25. My [Woo] Account

26. What’s going on?

27. On [Woo] Checkout

28. On [Woo] Checkout
But Wait!

29. On [Woo] Checkout

30. On [Woo] Checkout
woocommerce_order_status_completed
woocommerce_order_status_processing
woocommerce_order_status_refunded
woocommerce_order_status_failed_to_completed
woocommerce_order_status_pending_to_cancelled

31. On [Woo] Checkout
woocommerce_order_status_completed
woocommerce_order_status_processing
woocommerce_order_status_refunded
woocommerce_order_status_failed_to_completed
woocommerce_order_status_pending_to_cancelled

34. [Woo] SMS
woocommerce_order_status_completed
woocommerce_order_status_processing
woocommerce_order_status_refunded
woocommerce_order_status_failed_to_completed
woocommerce_order_status_pending_to_cancelled

35. [Woo] SMS

36. Let’s See It

40. Other WooCommerce
extension tips

41. Version Compatibility
With Previous WC Versions

42. Be Template-Ready
Like WooCommerce Itself

43. Be Template-Ready
Like WooCommerce Itself
wc_get_template( $template_name, $args,
$template_path, $default_path );

44. The Right Hooks
woocommerce_init
woocommerce_loaded
woocommerce_email_header
etc.

45. Simple Is Better

46. MAKE YOURS
EXTENDABLE

47. Support Extensions

48. do_action(‘owc_tweet_sent’, $order);

49. Both Ways

50. IT’S AN API!

51. BUILD APPS

53. FURTHER RESOURCES
https://woocommerce.wordpress.com/
http://docs.woothemes.com/document/woocommerce-rest-api/
http://docs.woothemes.com/documentation/plugins/woocommerce/
woocommerce-codex/extending/
@bryceadams

54. Have
Questions?
@bryceadams
WooThemes + Automattic