ApcCache.php in Plug 7

Namespace

Doctrine\Common\Cache

File

lib/doctrine/cache/lib/Doctrine/Common/Cache/ApcCache.php

<?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 <[e-mail]>
 * @author Guilherme Blanco <[e-mail]>
 * @author Jonathan Wage <[e-mail]>
 * @author Roman Borschel <[e-mail]>
 * @author David Abdemoulaie <[e-mail]>
 */
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($id) {
    return apc_delete($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'],
    );
  }

}

Classes

Name	Description
ApcCache	APC cache provider.