Send admin e-mails to membership manager role

pmpro-send-admin-emails-to-membership-manager.php

<?php
function my_pmpro_email_headers_admin_emails($headers, $email)
{
	$args = array('role' => 'pmpro_membership_manager');
	$membership_managers = get_users($args);
	$membership_managers_emails = array();
			
	foreach($membership_managers as $membership_manager)
	{
		$membership_managers_emails[] = $membership_manager->user_email;
	}
	if(strpos($email->template, "admin") !== false)
	{
			$headers[] = "Bcc:" . implode(',', $membership_managers_emails);
	}

	return $headers;
}
add_filter("pmpro_email_headers", "my_pmpro_email_headers_admin_emails", 10, 2);