119 lines
3.5 KiB
PHP
119 lines
3.5 KiB
PHP
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<?php
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/*
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+--------------------------------------------------------------------+
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| CiviCRM version 4.7 |
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+--------------------------------------------------------------------+
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| Copyright CiviCRM LLC (c) 2004-2017 |
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+--------------------------------------------------------------------+
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| This file is a part of CiviCRM. |
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| CiviCRM is free software; you can copy, modify, and distribute it |
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| under the terms of the GNU Affero General Public License |
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| Version 3, 19 November 2007 and the CiviCRM Licensing Exception. |
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| CiviCRM is distributed in the hope that it will be useful, but |
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| WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| See the GNU Affero General Public License for more details. |
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| You should have received a copy of the GNU Affero General Public |
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| License and the CiviCRM Licensing Exception along |
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| with this program; if not, contact CiviCRM LLC |
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| at info[AT]civicrm[DOT]org. If you have questions about the |
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| GNU Affero General Public License or the licensing of CiviCRM, |
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| see the CiviCRM license FAQ at http://civicrm.org/licensing |
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+--------------------------------------------------------------------+
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*/
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/**
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*
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* @package CRM
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* @copyright CiviCRM LLC (c) 2004-2017
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*/
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class CRM_Utils_Cache_APCcache implements CRM_Utils_Cache_Interface {
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const DEFAULT_TIMEOUT = 3600;
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const DEFAULT_PREFIX = '';
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/**
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* The default timeout to use.
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*
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* @var int
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*/
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protected $_timeout = self::DEFAULT_TIMEOUT;
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/**
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* The prefix prepended to cache keys.
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*
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* If we are using the same memcache instance for multiple CiviCRM
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* installs, we must have a unique prefix for each install to prevent
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* the keys from clobbering each other.
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*
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* @var string
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*/
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protected $_prefix = self::DEFAULT_PREFIX;
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/**
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* Constructor.
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*
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* @param array $config
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* An array of configuration params.
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*
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* @return \CRM_Utils_Cache_APCcache
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*/
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public function __construct(&$config) {
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if (isset($config['timeout'])) {
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$this->_timeout = intval($config['timeout']);
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}
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if (isset($config['prefix'])) {
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$this->_prefix = $config['prefix'];
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}
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}
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/**
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* @param $key
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* @param $value
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*
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* @return bool
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*/
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public function set($key, &$value) {
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if (!apc_store($this->_prefix . $key, $value, $this->_timeout)) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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* @param $key
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*
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* @return mixed
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*/
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public function get($key) {
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return apc_fetch($this->_prefix . $key);
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}
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/**
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* @param $key
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*
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* @return bool|string[]
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*/
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public function delete($key) {
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return apc_delete($this->_prefix . $key);
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}
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public function flush() {
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$allinfo = apc_cache_info('user');
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$keys = $allinfo['cache_list'];
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$prefix = $this->_prefix . "CRM_"; // Our keys follows this pattern: ([A-Za-z0-9_]+)?CRM_[A-Za-z0-9_]+
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$lp = strlen($prefix); // Get prefix length
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foreach ($keys as $key) {
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$name = $key['info'];
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if ($prefix == substr($name, 0, $lp)) {
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// Ours?
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apc_delete($this->_prefix . $name);
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}
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}
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}
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}
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