プラグインに個人データ・エクスポーターの追加

/**
 * Export user meta for a user using the supplied email.
 *
 * @param string $email_address   email address to manipulate
 * @param int    $page            pagination
 *
 * @return array
 */
function wporg_export_user_data_by_email( $email_address, $page = 1 ) {
  $number = 500; // Limit us to avoid timing out
  $page   = (int) $page;

  $export_items = array();

  $comments = get_comments(
    array(
      'author_email' => $email_address,
      'number'       => $number,
      'paged'        => $page,
      'order_by'     => 'comment_ID',
      'order'        => 'ASC',
    )
  );

  foreach ( (array) $comments as $comment ) {
    $latitude  = get_comment_meta( $comment->comment_ID, 'latitude', true );
    $longitude = get_comment_meta( $comment->comment_ID, 'longitude', true );

    // Only add location data to the export if it is not empty.
    if ( ! empty( $latitude ) ) {
      // Most item IDs should look like postType-postID. If you don't have a post, comment or other ID to work with,
      // use a unique value to avoid having this item's export combined in the final report with other items
      // of the same id.
      $item_id = "comment-{$comment->comment_ID}";

      // Core group IDs include 'comments', 'posts', etc. But you can add your own group IDs as needed
      $group_id = 'comments';

      // Optional group label. Core provides these for core groups. If you define your own group, the first
      // exporter to include a label will be used as the group label in the final exported report.
      $group_label = __( 'Comments', 'text-domain' );

      // Plugins can add as many items in the item data array as they want.
      $data = array(
        array(
          'name'  => __( 'Commenter Latitude', 'text-domain' ),
          'value' => $latitude,
        ),
        array(
          'name'  => __( 'Commenter Longitude', 'text-domain' ),
          'value' => $longitude,
        ),
      );

      $export_items[] = array(
        'group_id'    => $group_id,
        'group_label' => $group_label,
        'item_id'     => $item_id,
        'data'        => $data,
      );
    }
  }

  // Tell core if we have more comments to work on still.
  $done = count( $comments ) > $number;
  return array(
    'data' => $export_items,
    'done' => $done,
  );
}

/**
 * Registers all data exporters.
 *
 * @param array $exporters
 *
 * @return mixed
 */
function wporg_register_user_data_exporters( $exporters ) {
  $exporters['my-plugin-slug'] = array(
    'exporter_friendly_name' => __( 'Comment Location Plugin', 'text-domain' ),
    'callback'               => 'my_plugin_exporter',
  );
  return $exporters;
}

add_filter( 'wp_privacy_personal_data_exporters', 'wporg_register_user_data_exporters' );