pmpro_include_pricing_fields

This filter is used to determine if the “Membership Level” box, including the level description and pricing information, should show up at checkout. The hook allows you to return true or false to override this behavior.

pmpro_international_addresses

Filters the $show_country variable which controls whether to show the “Country” field at checkout. By default this is set to true. If set to false, the country will be “US”.

pmpro_ajax_timeout

Use this hook to change the AJAX  timeout limit from 2000 (2 seconds) to something else when checking and applying discount codes on the Membership Checkout page.

pmpro_checkout_confirm_password

This filter controls whether to display and require the “Confirm Password” field at checkout. By default, it’s set to true (show and require field).

pmpro_checkout_confirm_email

This filter controls whether to display and require the “Confirm Email” field at checkout. By default, it’s set to true (show and require field).

pmpro_state_dropdowns

Controls whether or not to use the international form of the State field. If set to true, state field will become a select menu with a list of US state abbreviations. Use pmpro_states to modify the array of state abbreviations used.

pmpro_processing_message

Filters the HTML content shown when the submit button is clicked on the checkout page. Passes a text string by default, but can be used to pass new HTML code as well.

pmpro_longform_address

Filters whether or not to use the international address form. By default, this is set to true to allow any form of address.  When set to false, this will display the shortened “US” version.