command-core.php

        // Display the rows.
        $args = ['format' => $format];
        $formatter = new \WP_CLI\Formatter($args, $fields);
        $formatter->display_items($rows);

    }

  }

  // ----------------------------------------------------------------------------
  // Private methods.
  // ----------------------------------------------------------------------------

  /**
   * Determine what action to take to resolve a conflict.
   *
   * @since 5.69
   *
   * @param string $title The thing which had a conflict.
   * @return string One of 'abort', 'keep' or 'overwrite'.
   */
  private function conflict_action_pick($title) {

    WP_CLI::log(sprintf(WP_CLI::colorize('%GThe%n %Y%s%n %Galready exists.%n'), $title));
    WP_CLI::log(WP_CLI::colorize('%G[a]%n %gAbort. (Default.)%n'));
    WP_CLI::log(sprintf(WP_CLI::colorize('%G[k]%n %gKeep existing%n %y%s%n%g.%n %r(%n%RWARNING:%n %rThis may fail if the existing version is out-of-date.)%n'), $title));
    WP_CLI::log(sprintf(WP_CLI::colorize('%G[o]%n %gOverwrite with new%n %y%s%g.%n %r(%n%RWARNING:%n %rThis may destroy data.)%n'), $title));

    fwrite(STDOUT, WP_CLI::colorize('%GWhat you like to do?%n '));
    $action = strtolower(trim(fgets(STDIN)));
    switch ($action) {
      case 'k':
        return 'keep';

      case 'o':
        return 'overwrite';

      case 'a':
      default:
        return 'abort';
    }

  }

  /**
   * Recursively implode an array.
   *
   * @since 5.69
   *
   * @param array $value The array to implode.
   * @param integer $level The current level.
   * @return string
   */
  private static function implode_recursive($value, $level = 0) {

    // Maybe recurse.
    $array = [];
    if (is_array($value)) {
      foreach ($value as $val) {
        if (is_array($val)) {
          $array[] = self::implode_recursive($val, $level + 1);
        }
        else {
          $array[] = $val;
        }
      }
    }
    else {
      $array[] = $value;
    }

    // Wrap sub-arrays but leave top level alone.
    if ($level > 0) {
      $string = '[' . implode(',', $array) . ']';
    }
    else {
      $string = implode(',', $array);
    }

    return $string;

  }

  /**
   * Gets the array of CiviCRM stable release versions.
   *
   * @since 5.69
   *
   * @return array The array of CiviCRM stable release versions.
   */
  private function releases_get() {

    // Get all release versions.
    $url = $this->google_url . '&' . $this->google_prefix_stable . '&maxResults=1000';
    $result = $this->json_get_request($url);
    if (empty($result['prefixes'])) {
      return [];
    }

    // Strip out all but the version.
    array_walk($result['prefixes'], function(&$item) {
      $item = trim(str_replace('civicrm-stable/', '', $item));
      $item = trim(str_replace('/', '', $item));
    });

    // Sort by version.
    usort($result['prefixes'], 'version_compare');

    return $result['prefixes'];

  }

  /**
   * Gets the array of CiviCRM release data.
   *
   * @since 5.69
   *
   * @param string $release The CiviCRM release.
   * @return array $data The array of CiviCRM release data.
   */
  private function release_data_get($release) {

    // Get the release data.
    $url = $this->google_url . '&' . $this->google_prefix_stable . $release . '/';
    $result = $this->json_get_request($url);
    if (empty($result['items'])) {
      return [];
    }

    // Strip out all but the WordPress and l10n data.
    $data = [];
    foreach ($result['items'] as $item) {
      if (!empty($item['name'])) {
        if (FALSE !== strpos($item['name'], 'wordpress.zip')) {
          $data['WordPress'] = $item['name'];
        }
        if (FALSE !== strpos($item['name'], 'l10n.tar.gz')) {
          $data['L10n'] = $item['name'];
        }
      }
    }

    return $data;

  }

  /**
   * Format the task for when run with extra verbosity.
   *
   * This method re-builds the task arguments because some of them may themselves be arrays.
   *
   * @since 5.69
   *
   * @param CRM_Queue_Task $task The CiviCRM task object.
   * @return string $task The CiviCRM task object.
   */
  private static function task_callback_format($task) {

    $callback_info = implode('::', (array) $task->callback);
    $args_info = self::implode_recursive((array) $task->arguments);

    // Build string with colorization tokens.
    $feedback = '%y' . $callback_info . '(' . $args_info . '%n)';

    return $feedback;

  }

}