WP Simple Pay Pro: WooCommerce Product Field

How to create a custom field in WP Simple Pay Pro?

This plugin is a proof of concept to explain how to create a custom field in WP Simple Pay Pro. It will register a new WooCommerce Product custom field that can be added to WP Simple Pay forms. Customer will be able to select a WooCommerce product in a custom dropdown and pay its corresponding price by using a Stripe form.

Code summary

In this plugin, we will:

1. register a new "WooCommerce" group of form fields with the simpay_custom_field_group_labels filter
2. register a new "Product Dropdown" custom form field with the simpay_custom_field_options filter
3. output our necessary form field settings with the simpay_admin_{$key}_field_template filter
4. output the frontend HTML markup for our new WP Simple Pay form field with the simpay_custom_field_html_for_non_native_fields filter

Tutorial

Full tutorial is available on https://saika.li/wp-simple-pay-custom-field