Cache\Frontend\Data

use Phalcon\Cache\Backend\File;
  use Phalcon\Cache\Frontend\Data;

  // Cache the files for 2 days using a Data frontend
  $frontCache = new Data(['lifetime' => 172800]);

  // Create the component that will cache "Data" to a 'File' backend
  // Set the cache file directory - important to keep the '/' at the end of
  // of the value for the folder
  $cache = new File($frontCache, ['cacheDir' => '../app/cache/']);

  // Try to get cached records
  $cacheKey = 'robots_order_id.cache';
  $robots   = $cache->get($cacheKey);

  if ($robots === null) {
      // $robots is null due to cache expiration or data does not exist
      // Make the database call and populate the variable
      $robots = Robots::find(['order' => 'id']);

      // Store it in the cache
      $cache->save($cacheKey, $robots);
  }

  // Use $robots :)
  foreach ($robots as $robot) {
      echo $robot->name, "\n";
  }