3 +--------------------------------------------------------------------+
5 +--------------------------------------------------------------------+
6 | Copyright CiviCRM LLC (c) 2004-2019 |
7 +--------------------------------------------------------------------+
8 | This file is a part of CiviCRM. |
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. |
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. |
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 +--------------------------------------------------------------------+
31 * @copyright CiviCRM LLC (c) 2004-2019
35 * Class CRM_Utils_Cache_SerializeCache
37 class CRM_Utils_Cache_SerializeCache
implements CRM_Utils_Cache_Interface
{
39 use CRM_Utils_Cache_NaiveMultipleTrait
;
40 use CRM_Utils_Cache_NaiveHasTrait
; // TODO Native implementation
43 * The cache storage container, an array by default, stored in a file under templates
50 * @param array $config
51 * An array of configuration params.
53 * @return \CRM_Utils_Cache_SerializeCache
55 public function __construct($config) {
56 $this->_cache
= array();
64 public function fileName($key) {
65 if (strlen($key) > 50) {
66 return CIVICRM_TEMPLATE_COMPILEDIR
. "CRM_" . md5($key) . ".php";
68 return CIVICRM_TEMPLATE_COMPILEDIR
. $key . ".php";
73 * @param mixed $default
77 public function get($key, $default = NULL) {
78 if ($default !== NULL) {
79 throw new \
RuntimeException("FIXME: " . __CLASS__
. "::get() only supports NULL default");
82 if (array_key_exists($key, $this->_cache
)) {
83 return $this->_cache
[$key];
86 if (!file_exists($this->fileName($key))) {
89 $this->_cache
[$key] = unserialize(substr(file_get_contents($this->fileName($key)), 8));
90 return $this->_cache
[$key];
96 * @param null|int|\DateInterval $ttl
99 public function set($key, $value, $ttl = NULL) {
101 throw new \
RuntimeException("FIXME: " . __CLASS__
. "::set() should support non-NULL TTL");
103 if (file_exists($this->fileName($key))) {
104 return FALSE; // WTF, write-once cache?!
106 $this->_cache
[$key] = $value;
107 $bytes = file_put_contents($this->fileName($key), "<?php //" . serialize($value));
108 return ($bytes !== FALSE);
115 public function delete($key) {
116 if (file_exists($this->fileName($key))) {
117 unlink($this->fileName($key));
119 unset($this->_cache
[$key]);
127 public function flush($key = NULL) {
129 if (!$handle = opendir(CIVICRM_TEMPLATE_COMPILEDIR
)) {
130 return FALSE; // die? Error?
132 while (FALSE !== ($entry = readdir($handle))) {
133 if (substr($entry, 0, 4) == $prefix) {
134 unlink(CIVICRM_TEMPLATE_COMPILEDIR
. $entry);
138 unset($this->_cache
);
139 $this->_cache
= array();
143 public function clear() {
144 return $this->flush();