Adds last payment date to the members list and export CSV in Paid Memberships Pro (PMPro).

last_payment_date_members_list.php

<?php
/**
 * Adds last payment date to the members list and export CSV.
 *
 * 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/
 */

// Adds "Last Payment" column to Members List.
function my_pmpro_add_memberslist_col_last_payment_date( $columns ) {
	$columns[ 'last-payment' ] = 'Last Payment';
	return $columns;
}
add_filter( 'pmpro_manage_memberslist_columns', 'my_pmpro_add_memberslist_col_last_payment_date' );

// Fills the "last-payment" column of the Members List.
function my_pmpro_fill_memberslist_col_last_payment_date( $colname, $user_id ) {
	if ( 'last-payment' === $colname ) {
		$order = new MemberOrder();
		$order->getLastMemberOrder( $user_id, array( 'success', 'cancelled', '' ) );

		if ( ! empty( $order ) && ! empty( $order->id ) ) {
			echo date( get_option('date_format'), $order->timestamp );
		} else {
			echo 'N/A';
		}
	}
}
add_filter( 'pmpro_manage_memberslist_custom_column', 'my_pmpro_fill_memberslist_col_last_payment_date', 10, 2 );

// Adds "Last Payment" column to Members List CSV export.
function my_pmpro_members_list_csv_extra_columns_last_payment_date( $columns ) {
	$columns[ 'last_payment' ] = 'my_extra_column_last_payment';
	return $columns;
}
add_filter( 'pmpro_members_list_csv_extra_columns', 'my_pmpro_members_list_csv_extra_columns_last_payment_date', 10);

// Populate the "last_payment" column of the Members List CSV export.
function my_extra_column_last_payment( $user ) {
	$order = new MemberOrder();
	$order->getLastMemberOrder( $user->ID, array( 'success', 'cancelled', '' ) );

	if ( ! empty( $order ) && ! empty( $order->id ) ) {
		return date( get_option('date_format'), $order->timestamp );
	} else {
		return '';
	}
}