Disable a recurring payment reminder email preventing it from being sent for Paid Memberships Pro.

disable-recurring-payment-reminder.php

<?php
/**
 * This recipe removes a specific recurring payment reminder.
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function my_pmpro_disable_recurring_emails( $emails ) {

	unset( $emails[1] ); // Remove the email that is sent 1 day before subscription payment.

	return $emails;

}
add_filter( 'pmpro_upcoming_recurring_payment_reminder', 'my_pmpro_disable_recurring_emails', 10, 1 );