GitLab

http://open-tools.net/forum/advanced-ordernumbers-for-woocommerce/5292-passing-correct-order-number-to-paypal.html

Need to set up the filter function for the paypal plugin. The array of values sent to PP (including the 'invoice' key with the invoice number) is filtered through this function, so the ordernumber plugin can insert the correct invoice number.

Q: Is the order number also passed anywhere?