BCC all Paid Memberships Pro Emails to a Certain Address

my_pmpro_email_headers_member_emails.php

/*
Bcc admin on PMPro member only emails
You can change the conditional to check for a certain $email->template or some other condition before adding the BCC.
*/
function my_pmpro_email_headers($headers, $email)
{		
	//bcc emails not already going to admin_email
        if($email->email != get_bloginfo("admin_email"))
	{
		//add bcc
		$headers[] = "Bcc:" . get_bloginfo("admin_email");		
	}
 
	return $headers;
}
add_filter("pmpro_email_headers", "my_pmpro_email_headers", 10, 2);

This recipe is included in the blog post on "BCC Additional Email Addresses on Member or Admin Notifications" at Paid Memberships Pro here: https://www.paidmembershipspro.com/bcc-additional-email-addresses-on-member-or-admin-notifications/