Show order/invoice status in PMPro PDF

show-order-status-pmpro-pdf.php

<?php
/**
 * Add custom variables to PDF template editor to show some more order information.
 * To add this code to your site, please visit - https://yoohooplugins.com/customize-wordpress/
 */
 function my_pmpro_pdf_status_details( $data_array, $user, $order_data ) {
	  $data_array['{{order_status}}'] = esc_html( $order_data->status );
    return $data_array;
}
add_filter( 'pmpro_pdf_invoice_custom_variables', 'my_pmpro_pdf_status_details', 10, 3 );