166 lines
3.3 KiB
PHP
Executable File
166 lines
3.3 KiB
PHP
Executable File
<?php
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/*
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* 2007-2015 PrestaShop
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*
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* NOTICE OF LICENSE
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*
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* This source file is subject to the Open Software License (OSL 3.0)
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* that is bundled with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://opensource.org/licenses/osl-3.0.php
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@prestashop.com so we can send you a copy immediately.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please refer to http://www.prestashop.com for more information.
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*
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* @author PrestaShop SA <contact@prestashop.com>
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* @copyright 2007-2015 PrestaShop SA
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0)
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* International Registered Trademark & Property of PrestaShop SA
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*/
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/**
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* This class require PECL APC extension
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*
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* @since 1.5.0
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*/
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class CacheApcCore extends Cache
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{
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public function __construct()
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{
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if (!function_exists('apc_exists'))
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{
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$this->keys = array();
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$cache_info = apc_cache_info((extension_loaded('apcu') === true) ? '' : 'user');
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foreach ($cache_info['cache_list'] as $entry)
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{
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if (isset($entry['key']))
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$this->keys[$entry['key']] = $entry['ttl'];
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else
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$this->keys[$entry['info']] = $entry['ttl'];
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}
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}
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}
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/**
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* Delete one or several data from cache (* joker can be used, but avoid it !)
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* E.g.: delete('*'); delete('my_prefix_*'); delete('my_key_name');
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*
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* @param string $key
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* @return bool
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*/
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public function delete($key)
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{
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if ($key == '*')
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$this->flush();
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elseif (strpos($key, '*') === false)
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$this->_delete($key);
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else
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{
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$pattern = str_replace('\\*', '.*', preg_quote($key));
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$cache_info = apc_cache_info((extension_loaded('apcu') === true) ? '' : 'user');
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foreach ($cache_info['cache_list'] as $entry)
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{
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if (isset($entry['key']))
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$key = $entry['key'];
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else
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$key = $entry['info'];
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if (preg_match('#^'.$pattern.'$#', $key))
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$this->_delete($key);
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}
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}
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return true;
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}
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/**
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* @see Cache::_set()
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*/
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protected function _set($key, $value, $ttl = 0)
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{
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return apc_store($key, $value, $ttl);
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}
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/**
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* @see Cache::_get()
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*/
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protected function _get($key)
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{
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return apc_fetch($key);
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}
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/**
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* @see Cache::_exists()
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*/
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protected function _exists($key)
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{
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if (!function_exists('apc_exists'))
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return isset($this->keys[$key]);
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else
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return apc_exists($key);
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}
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/**
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* @see Cache::_delete()
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*/
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protected function _delete($key)
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{
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return apc_delete($key);
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}
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/**
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* @see Cache::_writeKeys()
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*/
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protected function _writeKeys()
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{
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}
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/**
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* @see Cache::flush()
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*/
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public function flush()
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{
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return apc_clear_cache();
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}
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/**
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* Store a data in cache
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*
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* @param string $key
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* @param mixed $value
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* @param int $ttl
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* @return bool
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*/
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public function set($key, $value, $ttl = 0)
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{
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return $this->_set($key, $value, $ttl);
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}
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/**
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* Retrieve a data from cache
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*
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* @param string $key
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* @return mixed
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*/
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public function get($key)
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{
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return $this->_get($key);
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}
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/**
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* Check if a data is cached
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*
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* @param string $key
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* @return bool
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*/
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public function exists($key)
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{
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return $this->_exists($key);
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}
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}
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