Add PMPro Order Notes column to the Orders page and include notes in orders export CSV

add-order-notes-column-and-csv-export.php

<?php
/**
 * Display Order notes on the PMPro Orders page and include order notes in the PMPro Orders CSV export.
 *
 * 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/
 */

// table header
function my_pmpro_orders_extra_cols_renewal_header() {
	?>
<th>Notes</th>
	<?php
}
add_action( 'pmpro_orders_extra_cols_header', 'my_pmpro_orders_extra_cols_renewal_header' );

// table body
function my_pmpro_orders_extra_cols_renewal_body( $order ) {
	?>
	<td>
	<?php
	if ( ! empty( $order->notes ) ) {
		esc_html_e( $order->notes);
	}
	?>
	</td>
	<?php
}
add_action( 'pmpro_orders_extra_cols_body', 'my_pmpro_orders_extra_cols_renewal_body' );

// function and hook to add notes column to CSV export
function my_pmpro_orders_csv_extra_columns( $columns ) {
	$columns['notes'] = 'my_orders_csv_notes';
	return $columns;
}
add_filter( 'pmpro_orders_csv_extra_columns', 'my_pmpro_orders_csv_extra_columns' );

// call back to return order notes
function my_orders_csv_notes( $order ) {
	return $order->notes;
}

Works great! Thanks!