Custom Fields (Register Helper)

sn-customizations.php

<?php
/*
Plugin Name: PMPro: Custom Registration/WordPress Profile Fields
Description: Custom fields, using the PMPro Register Helper add-on
Plugin URI: https://eighty20results.com/paid-memberships-pro/do-it-for-me/
Author: Thomas Sjolshagen @ Paid Memberships Pro <thomas@eighty20results.com>
Author URI: https://eighty20results.com/thomas-sjolshagen/
Version: 1.0
License: GPL2
Text Domain: sn-customizations
Domain Path: /languages
*/

if ( ! function_exists( 'sn_rh_loader' ) ) {
	
	function sn_rh_loader() {
		
		if ( ! function_exists( 'pmprorh_add_registration_field' ) ) {
			return;
		}
		
		$fields = array();
		
		$fields[] = new PMProRH_Field(
			'bitcoin_address',
			'text',
			array(
				'label'          => __( 'Your Bitcoin Address for Referral Commission', 'sn-customizations' ),
				"class"          => "rh-field",   // custom field label
				"profile"        => true,       // show in user profile
				"memberslistcsv" => true,       // Include in Member List CSV Export
				"required"       => true,      // make this field required
			)
		);
		
		$fields[] = new PMProRH_Field(
			'referred_by',
			'text',
			array(
				'label'          => __( 'Referred By', 'sn-customizations' ),
				"class"          => "rh-field",   // custom field label
				"profile"        => true,       // show in user profile
				"memberslistcsv" => true,       // Include in Member List CSV Export
				"required"       => true,      // make this field required
			)
		);
		
		foreach ( $fields as $field ) {
			
			pmprorh_add_registration_field(
				'checkout_boxes',
				$field
			);
		}
		
	}
	
	add_action( 'init', 'sn_rh_loader', 10 );
}