redis-8.x-1.x-dev/redis.module

<?php

/**
 * @file
 * Redis module.
 *
 * This file is a placeholder for other modules that need the Redis client for
 * something else than lock and cache.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function redis_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.redis':

      $factory = \Drupal::service('redis.factory');

      if ($factory->hasClient()) {
        $messages = '<p><strong>' . t("Current connected client uses the <em>@name</em> library.", ['@name' => $factory->getClientName()]) . '</strong></p>';
      }
      else {
        $messages = '<p><strong>' . t('No redis connection configured.') . '</strong></p>';
      }
      return $messages;
  }
}