The fullstripe_form_field_configuration Wordpress filter

fullstripe_form_field_configuration_v6-3.php

<?php
/**
 * A 'fullstripe_form_field_configuration' filter hook example for WP Full Pay.
 *
 * @param array $config The field configuration returned by the previous filter instance.
 * @param array $params with the following keys:
 *   formName               => Name of the form.
 *   formType               => Type of the form. Possible values:
 *                             	inline_payment
 * 				checkout_payment
 * 				inline_subscription
 * 				checkout_subscription
 * 				inline_donation
 *				checkout_donation
 *				inline_save_card
 * 				checkout_save_card
 *
 * @return array Field configuration
 */
function formFieldConfiguration( $config, $params ) {
	$result = $config;
	$formName = $params['formName'];
	
	if ( $formName === 'payment' ) {
		WPFS_API_v2::setIsFormFieldConfigurable( $result, 'cardholdersName', true );

		WPFS_API_v2::setIsFormFieldConfigurable( $result, 'email', true );
		WPFS_API_v2::setIsFormFieldReadonly( $result, 'email', true );		
	}
	
	return $result;
}

add_filter('fullstripe_form_field_configuration', 'formFieldConfiguration', 10, 2 );