Cache.php

<?php

/**
 * Cache language strings.
 *
 * @package    CodeIgniter
 * @author     CodeIgniter Dev Team
 * @copyright  2014-2019 British Columbia Institute of Technology (https://bcit.ca/)
 * @license    https://opensource.org/licenses/MIT	MIT License
 * @link       https://codeigniter.com
 * @since      Version 3.0.0
 * @filesource
 *
 * @codeCoverageIgnore
 */

return [
   'unableToWrite'   => 'Cache unable to write to {0}',
   'invalidHandlers' => 'Cache config must have an array of $validHandlers.',
   'noBackup'        => 'Cache config must have a handler and backupHandler set.',
   'handlerNotFound' => 'Cache config has an invalid handler or backup handler specified.',
];