CRM/Utils/Cache/NaiveHasTrait.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | Copyright CiviCRM LLC. All rights reserved.                        |
   5  |                                                                    |
   6  | This work is published under the GNU AGPLv3 license with some      |
   7  | permitted exceptions and without any warranty. For full license    |
   8  | and copyright information, see https://civicrm.org/licensing       |
   9  +--------------------------------------------------------------------+
  10  */
  11
  12 /**
  13  *
  14  * @package CRM
  15  * @copyright CiviCRM LLC https://civicrm.org/licensing
  16  *
  17  * The traditional CRM_Utils_Cache_Interface did not support has().
  18  * To get drop-in compliance with PSR-16, we use a naive adapter.
  19  *
  20  * There may be opportunities to replace/optimize in specific drivers.
  21  */
  22 trait CRM_Utils_Cache_NaiveHasTrait {
  23
  24   public function has($key) {
  25     $nack = CRM_Utils_Cache::nack();
  26     $value = $this->get($key, $nack);
  27     return ($value !== $nack);
  28   }
  29
  30 }