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 MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\Common\Cache;
/**
* APC cache provider.
*
* @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($id)
{
return apc_exists($id);
}
/**
* {@inheritdoc}
*/
protected function doSave($id, $data, $lifeTime = 0)
{
return (bool) apc_store($id, $data, (int) $lifeTime);
}
/**
* {@inheritdoc}
*/
protected function doDelete($id)
{
// apc_delete returns false if the id does not exist
return apc_delete($id) || ! apc_exists($id);
}
/**
* {@inheritdoc}
*/
protected function doFlush()
{
return apc_clear_cache() && apc_clear_cache('user');
}
/**
* {@inheritdoc}
*/
protected function doFetchMultiple(array $keys)
{
return apc_fetch($keys);
}
/**
* {@inheritdoc}
*/
protected function doGetStats()
{
$info = apc_cache_info('', true);
$sma = apc_sma_info();
// @TODO - Temporary fix @see https://github.com/krakjoe/apcu/pull/42
if (PHP_VERSION_ID >= 50500) {
$info['num_hits'] = isset($info['num_hits']) ? $info['num_hits'] : $info['nhits'];
$info['num_misses'] = isset($info['num_misses']) ? $info['num_misses'] : $info['nmisses'];
$info['start_time'] = isset($info['start_time']) ? $info['start_time'] : $info['stime'];
}
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_AVAILABLE => $sma['avail_mem'],
);
}
}