wp_list_filter(
			$data_store->get_registered_meta(),
			array(
				'privacy_erasure' => null,
			),
			'NOT'
		);

		// Loop subscriptions.
		foreach ( $subscriptions as $subscription ) {
			$subscription_id = $subscription->get_id();

			if ( empty( $subscription_id ) ) {
				continue;
			}

			$subscription_meta = get_post_meta( $subscription_id );

			$subscription_status = null;

			if ( isset( $subscription_meta[ $data_store->meta_key_prefix . 'status' ] ) ) {
				$subscription_status = $subscription_meta[ $data_store->meta_key_prefix . 'status' ];
			}

			// Subscription note and erasure return message.
			$note = __( 'Subscription anonymized for personal data erasure request.', 'pronamic_ideal' );
			/* translators: %s = subscription id */
			$message = __( 'Subscription ID %s anonymized.', 'pronamic_ideal' );

			// Anonymize completed and cancelled subscriptions.
			if ( isset( $subscription_status ) && in_array( $subscription_status, array( PaymentStatus::COMPLETED, PaymentStatus::CANCELLED ), true ) ) {
				// Erase subscription meta.
				foreach ( $meta_keys as $meta_key => $meta_options ) {
					$meta_key = $data_store->meta_key_prefix . $meta_key;

					if ( ! array_key_exists( $meta_key, $subscription_meta ) ) {
						continue;
					}

					$action = ( isset( $meta_options['privacy_erasure'] ) ? $meta_options['privacy_erasure'] : null );

					$privacy_manager->erase_meta( $subscription_id, $meta_key, $action );
				}

				$items_removed = true;
			} else {
				$note = __( 'Subscription not anonymized for personal data erasure request because of active status.', 'pronamic_ideal' );

				/* translators: %s: Subscription ID */
				$message = __( 'Subscription ID %s not anonymized because of active status.', 'pronamic_ideal' );

				$items_retained = true;
			}

			// Add erasure return message.
			$messages[] = sprintf( $message, $subscription_id );

			// Add subscription note.
			try {
				$subscription->add_note( $note );
			} catch ( \Exception $e ) {
				continue;
			}
		}

		$done = true;

		// Return results.
		return array(
			'items_removed'  => $items_removed,
			'items_retained' => $items_retained,
			'messages'       => $messages,
			'done'           => $done,
		);
	}
}