Update Follow-Ups email on account update

gistfile1.txt

add_action('profile_update', 'wc_fue_update_customers_table_user_profile_update', 10, 2);

function wc_fue_update_customers_table_user_profile_update( $user_id, $old_user_data ) {
	
	// step 1 - get user from user id and email.
	$user = get_userdata($user_id);
	if ( !$user ) {
		return;
	}
	
	// step 2 - check if the new email is different from the old email
	
	$new_email = $user->user_email;
	$old_email = $old_user_data->user_email;
	
	// bail out if the emails are the same.
	if ( $new_email === $old_email ) {
		return;
	}
	
	// step 3 - get the FUE customer by ID
	$customer = FUE_Addon_Woocommerce::get_customer( $user_id, null );
	
	// step 4 - update the FUE customer with the customer from step 4. 
	if ( $customer ) {
		$wpdb = Follow_Up_Emails::instance()->wpdb;
		$wpdb->update(
			$wpdb->prefix . 'followup_customers',
			array( 'email_address' => $new_email),
			array( 'id' => $customer->id )
			);
	}
}