nextcloud/lib/private/memcache/apc.php

70 lines
1.5 KiB
PHP

<?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.
*/
namespace OC\Memcache;
class APC extends Cache {
/**
* 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;
}
static public function isAvailable() {
if (!extension_loaded('apc')) {
return false;
} elseif (!ini_get('apc.enabled')) {
return false;
} elseif (!ini_get('apc.enable_cli') && \OC::$CLI) {
return false;
} else {
return true;
}
}
}
if (!function_exists('apc_exists')) {
function apc_exists($keys) {
$result = false;
apc_fetch($keys, $result);
return $result;
}
}