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 | 27 | |
5bc392e6 EM |
28 | /** |
29 | * Class CRM_Utils_Cache_SerializeCache | |
30 | */ | |
6a488035 TO |
31 | class CRM_Utils_Cache_SerializeCache implements CRM_Utils_Cache_Interface { |
32 | ||
33 | /** | |
34 | * The cache storage container, an array by default, stored in a file under templates | |
35 | */ | |
36 | private $_cache; | |
37 | ||
38 | /** | |
39 | * Constructor | |
40 | * | |
77b97be7 | 41 | * @param array $config an array of configuration params |
6a488035 | 42 | * |
77b97be7 | 43 | * @return \CRM_Utils_Cache_SerializeCache |
6a488035 TO |
44 | */ |
45 | function __construct($config) { | |
46 | $this->_cache = array(); | |
47 | } | |
48 | ||
5bc392e6 EM |
49 | /** |
50 | * @param $key | |
51 | * | |
52 | * @return string | |
53 | */ | |
6a488035 TO |
54 | function fileName ($key) { |
55 | if (strlen($key) > 50) | |
450f494d | 56 | return CIVICRM_TEMPLATE_COMPILEDIR ."CRM_".md5($key).".php"; |
6a488035 TO |
57 | return CIVICRM_TEMPLATE_COMPILEDIR .$key.".php"; |
58 | } | |
59 | ||
5bc392e6 EM |
60 | /** |
61 | * @param string $key | |
62 | * | |
63 | * @return mixed | |
64 | */ | |
6a488035 TO |
65 | function get ($key) { |
66 | if (array_key_exists($key,$this->_cache)) | |
67 | return $this->_cache[$key]; | |
68 | ||
69 | if (!file_exists($this->fileName ($key))) { | |
70 | return; | |
71 | } | |
72 | $this->_cache[$key] = unserialize (substr (file_get_contents ($this->fileName ($key)),8)); | |
73 | return $this->_cache[$key]; | |
74 | } | |
75 | ||
5bc392e6 EM |
76 | /** |
77 | * @param string $key | |
78 | * @param mixed $value | |
79 | */ | |
6a488035 TO |
80 | function set($key, &$value) { |
81 | if (file_exists($this->fileName ($key))) { | |
82 | return; | |
83 | } | |
84 | $this->_cache[$key] = $value; | |
450f494d | 85 | file_put_contents ($this->fileName ($key),"<?php //".serialize ($value)); |
6a488035 TO |
86 | } |
87 | ||
5bc392e6 EM |
88 | /** |
89 | * @param string $key | |
90 | */ | |
6a488035 TO |
91 | function delete($key) { |
92 | if (file_exists($this->fileName ($key))) { | |
93 | unlink ($this->fileName ($key)); | |
94 | } | |
95 | unset($this->_cache[$key]); | |
96 | } | |
97 | ||
5bc392e6 EM |
98 | /** |
99 | * @param null $key | |
100 | */ | |
6a488035 TO |
101 | function flush($key =null) { |
102 | $prefix = "CRM_"; | |
103 | if (!$handle = opendir(CIVICRM_TEMPLATE_COMPILEDIR)) { | |
104 | return; // die? Error? | |
105 | } | |
106 | while (false !== ($entry = readdir($handle))) { | |
107 | if (substr ($entry,0,4) == $prefix) { | |
108 | unlink (CIVICRM_TEMPLATE_COMPILEDIR.$entry); | |
109 | } | |
110 | } | |
111 | closedir($handle); | |
112 | unset($this->_cache); | |
113 | $this->_cache = array(); | |
114 | } | |
115 | } | |
116 |