Add custom field to Paid Memberships Pro Checkout Email using Register Helper

custom-field-register-helper-checkout-email.php

<?php
/**
 * This will check for !!company_name!! in the emails body and replace it with the 'company_name' metadata (created by Register Helper).
 * Add this code to your PMPro Customizations Plugin - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
 
function my_pmpro_email_body( $body, $email ) {
	//only checkout emails
	if ( false !== strpos( $email->template, "checkout" ) ) {

		$user = get_user_by( 'email', $email->data['user_email'] );
		$company_name = get_user_meta( $user->ID, 'company', true );

		$body = str_replace( '!!company!!', $company_name, $body );
	}
 
	return $body;
}
add_filter( "pmpro_email_body", "my_pmpro_email_body", 10, 2 );