WooCommerce hooks for customization in Wordpress - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a hook in WooCommerce?

A hook is a way to add or change functionality in WooCommerce without editing core files. It lets you run your own code at specific points.

beginner

What is the difference between an action hook and a filter hook in WooCommerce?

An action hook lets you add code at a point, like showing extra info. A filter hook lets you change data before it is used or shown.

intermediate

How do you add a custom message after the product title using a WooCommerce hook?

Use the action hook 'woocommerce_single_product_summary' with a priority after the title, like this: add_action('woocommerce_single_product_summary', 'your_function', 6);

beginner

What is the purpose of the 'woocommerce_before_cart' hook?

It allows you to add content or run code before the cart page content starts, like showing notices or extra info.

intermediate

How can filters help customize WooCommerce emails?

Filters let you change email content, subject, or headers before sending. For example, 'woocommerce_email_subject_new_order' changes the new order email subject.

Which hook type lets you modify data before it is displayed in WooCommerce?

A Action hook

B Template hook

C Filter hook

D Shortcode hook

Filter hooks let you change data before WooCommerce uses or shows it.

Where would you add code to show extra content after the product price?

A woocommerce_after_shop_loop_item

B woocommerce_single_product_summary

C woocommerce_before_single_product

D woocommerce_before_cart

The 'woocommerce_single_product_summary' hook controls content around the product summary including price.

What function is used to add a callback to a WooCommerce hook?

A add_action()

B add_filter()

C do_action()

D apply_filters()

add_action() attaches your function to an action hook; add_filter() attaches your function to a filter hook.

Which hook would you use to add content before the cart table?

A woocommerce_before_cart_table

B woocommerce_after_cart

C woocommerce_before_cart

D woocommerce_cart_contents

'woocommerce_before_cart_table' runs before the cart table starts.

To change the subject line of the new order email, which filter hook is used?

A woocommerce_email_subject_new_order

B woocommerce_email_header

C woocommerce_email_footer

D woocommerce_email_order_details

'woocommerce_email_subject_new_order' lets you customize the new order email subject.

Explain how WooCommerce hooks help customize a store without changing core files.

Think about how you can add your own code safely.

Describe how you would add a custom message after the product title using WooCommerce hooks.

Focus on the right hook and priority.