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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
4 | | CiviCRM version 5 | | |
5 | +--------------------------------------------------------------------+ | |
6b83d5bd | 6 | | Copyright CiviCRM LLC (c) 2004-2019 | |
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7 | +--------------------------------------------------------------------+ |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
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. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
26 | */ | |
27 | ||
28 | /** | |
29 | * | |
30 | * @package CRM | |
6b83d5bd | 31 | * @copyright CiviCRM LLC (c) 2004-2019 |
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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 | * | |
8f7f4610 | 36 | * There may be opportunities to replace/optimize in specific drivers. |
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37 | */ |
38 | trait CRM_Utils_Cache_NaiveHasTrait { | |
39 | ||
40 | public function has($key) { | |
89861474 | 41 | $nack = CRM_Utils_Cache::nack(); |
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42 | $value = $this->get($key, $nack); |
43 | return ($value !== $nack); | |
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44 | } |
45 | ||
46 | } |