CRM/Utils/Cache/NaiveHasTrait.php

   1 <?php
   2 /*
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   4  | CiviCRM version 5                                                  |
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   6  | Copyright CiviCRM LLC (c) 2004-2019                                |
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   8  | This file is a part of CiviCRM.                                    |
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  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
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  14  | CiviCRM is distributed in the hope that it will be useful, but     |
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  26  */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2019
  32  *
  33  * The traditional CRM_Utils_Cache_Interface did not support has().
  34  * To get drop-in compliance with PSR-16, we use a naive adapter.
  35  *
  36  * There may be opportunities to replace/optimize in specific drivers.
  37  */
  38 trait CRM_Utils_Cache_NaiveHasTrait {
  39
  40   public function has($key) {
  41     $nack = CRM_Utils_Cache::nack();
  42     $value = $this->get($key, $nack);
  43     return ($value !== $nack);
  44   }
  45
  46 }