kekrozsak/vendor/doctrine/common/lib/Doctrine/Common/Cache/ApcCache.php

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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\Common\Cache;
/**
* APC cache provider.
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 2.0
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
* @author David Abdemoulaie <dave@hobodave.com>
*/
class ApcCache extends CacheProvider
{
/**
* {@inheritdoc}
*/
protected function doFetch($id)
{
return apc_fetch($id);
}
/**
* {@inheritdoc}
*/
protected function doContains($id)
{
$found = false;
apc_fetch($id, $found);
return $found;
}
/**
* {@inheritdoc}
*/
protected function doSave($id, $data, $lifeTime = 0)
{
return (bool) apc_store($id, $data, (int) $lifeTime);
}
/**
* {@inheritdoc}
*/
protected function doDelete($id)
{
return apc_delete($id);
}
/**
* {@inheritdoc}
*/
protected function doFlush()
{
return apc_clear_cache() && apc_clear_cache('user');
}
/**
* {@inheritdoc}
*/
protected function doGetStats()
{
$info = apc_cache_info();
$sma = apc_sma_info();
return array(
Cache::STATS_HITS => $info['num_hits'],
Cache::STATS_MISSES => $info['num_misses'],
Cache::STATS_UPTIME => $info['start_time'],
Cache::STATS_MEMORY_USAGE => $info['mem_size'],
Cache::STATS_MEMORY_AVAILIABLE => $sma['avail_mem'],
);
}
}