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<?php
/**
* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
class OC_Cache_APC {
protected $prefix;
public function __construct($global = false) {
$this->prefix = OC_Util::getInstanceId().'/';
if (!$global) {
$this->prefix .= OC_User::getUser().'/';
}
}
/**
* entries in APC gets namespaced to prevent collisions between owncloud instances and users
*/
protected function getNameSpace() {
return $this->prefix;
}
public function get($key) {
$result = apc_fetch($this->getNamespace().$key, $success);
if (!$success) {
return null;
}
return $result;
}
public function set($key, $value, $ttl=0) {
return apc_store($this->getNamespace().$key, $value, $ttl);
}
public function hasKey($key) {
return apc_exists($this->getNamespace().$key);
}
public function remove($key) {
return apc_delete($this->getNamespace().$key);
}
public function clear($prefix='') {
$ns = $this->getNamespace().$prefix;
$cache = apc_cache_info('user');
foreach($cache['cache_list'] as $entry) {
if (strpos($entry['info'], $ns) === 0) {
apc_delete($entry['info']);
}
}
return true;
}
}
if(!function_exists('apc_exists')) {
function apc_exists($keys)
{
$result=false;
apc_fetch($keys, $result);
return $result;
}
}
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