Register Helper example including user's church fields.

rh-example-church.php

<?php
/*
Plugin Name: PMPro Customizations
Plugin URI: https://www.paidmembershipspro.com/wp/pmpro-customizations/
Description: Customizations for my Paid Memberships Pro Setup
Version: .1
Author: Paid Memberships Pro
Author URI: https://www.paidmembershipspro.com
 */

//Now start placing your customization code below this line

function my_pmprorh_init()
{
//don't break if Register Helper is not loaded
    if (!function_exists('pmprorh_add_registration_field')) {
        return false;
    }
    $fields = array();
    $fields[] = new PMProRH_Field(
        'address1',
        'text',
        array(
            'label' => 'Address 1',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'address2',
        'text',
        array(
            'label' => ' Address 2',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'city',
        'text',
        array(
            'label' => 'City',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'county',
        'text',
        array(
            'label' => 'County',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'zipcode',
        'text',
        array(
            'label' => 'Postcode',
            'size' => 10,
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'mobile',
        'text',
        array(
            'label' => 'Mobile Phone',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'phone',
        'text',
        array(
            'label' => 'Landline Phone',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );

    $fields[] = new PMProRH_Field(
        'html_church_details',
        'html',
        array(
            'html' => '<p><strong>Church Details</strong></p>',
            'showmainlabel' => false,
        )
    );
    $fields[] = new PMProRH_Field(
        'church_name',
        'text',
        array(
            'label' => 'Name of Church',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'church_denomination',
        'text',
        array(
            'label' => 'Denomination',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'church_city',
        'text',
        array(
            'label' => 'City',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'church_county',
        'text',
        array(
            'label' => 'County',
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'church_zipcode',
        'text',
        array(
            'label' => 'Postcode',
            'size' => 10,
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );
    $fields[] = new PMProRH_Field(
        'gift_aid',
        'radio',
        array(
            'label' => 'Can Gift Aid be reclaimed on your subscription:',
            'options' => array(
                'yes' => 'Yes',
                'no' => 'No',
            ),
            'profile' => true,
            'required' => false,
            'addmember' => true,
        )
    );

//add the fields into a new checkout_boxes are of the checkout page
    foreach ($fields as $field) {
        pmprorh_add_registration_field(
            'checkout_boxes', // location on checkout page
            $field // PMProRH_Field object
        );
    }

//that's it. see the PMPro Register Helper readme for more information and examples.
}
add_action('init', 'my_pmprorh_init');