Commit | Line | Data |
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6a488035 | 1 | <?php |
450f494d | 2 | /* |
3 | +--------------------------------------------------------------------+ | |
06b69b18 | 4 | | CiviCRM version 4.5 | |
450f494d | 5 | +--------------------------------------------------------------------+ |
06b69b18 | 6 | | Copyright CiviCRM LLC (c) 2004-2014 | |
450f494d | 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 | */ | |
6a488035 TO |
27 | |
28 | class CRM_Utils_Cache_SerializeCache implements CRM_Utils_Cache_Interface { | |
29 | ||
30 | /** | |
31 | * The cache storage container, an array by default, stored in a file under templates | |
32 | */ | |
33 | private $_cache; | |
34 | ||
35 | /** | |
36 | * Constructor | |
37 | * | |
77b97be7 | 38 | * @param array $config an array of configuration params |
6a488035 | 39 | * |
77b97be7 | 40 | * @return \CRM_Utils_Cache_SerializeCache |
6a488035 TO |
41 | */ |
42 | function __construct($config) { | |
43 | $this->_cache = array(); | |
44 | } | |
45 | ||
46 | function fileName ($key) { | |
47 | if (strlen($key) > 50) | |
450f494d | 48 | return CIVICRM_TEMPLATE_COMPILEDIR ."CRM_".md5($key).".php"; |
6a488035 TO |
49 | return CIVICRM_TEMPLATE_COMPILEDIR .$key.".php"; |
50 | } | |
51 | ||
52 | function get ($key) { | |
53 | if (array_key_exists($key,$this->_cache)) | |
54 | return $this->_cache[$key]; | |
55 | ||
56 | if (!file_exists($this->fileName ($key))) { | |
57 | return; | |
58 | } | |
59 | $this->_cache[$key] = unserialize (substr (file_get_contents ($this->fileName ($key)),8)); | |
60 | return $this->_cache[$key]; | |
61 | } | |
62 | ||
63 | function set($key, &$value) { | |
64 | if (file_exists($this->fileName ($key))) { | |
65 | return; | |
66 | } | |
67 | $this->_cache[$key] = $value; | |
450f494d | 68 | file_put_contents ($this->fileName ($key),"<?php //".serialize ($value)); |
6a488035 TO |
69 | } |
70 | ||
71 | function delete($key) { | |
72 | if (file_exists($this->fileName ($key))) { | |
73 | unlink ($this->fileName ($key)); | |
74 | } | |
75 | unset($this->_cache[$key]); | |
76 | } | |
77 | ||
78 | function flush($key =null) { | |
79 | $prefix = "CRM_"; | |
80 | if (!$handle = opendir(CIVICRM_TEMPLATE_COMPILEDIR)) { | |
81 | return; // die? Error? | |
82 | } | |
83 | while (false !== ($entry = readdir($handle))) { | |
84 | if (substr ($entry,0,4) == $prefix) { | |
85 | unlink (CIVICRM_TEMPLATE_COMPILEDIR.$entry); | |
86 | } | |
87 | } | |
88 | closedir($handle); | |
89 | unset($this->_cache); | |
90 | $this->_cache = array(); | |
91 | } | |
92 | } | |
93 |