vendor/doctrine/cache/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 MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\Common\Cache;

/**
 * APC cache provider.
 *
 * @link       www.doctrine-project.org
 * @deprecated since version 1.6, use ApcuCache instead
 * @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, $lifeTime = 0)
    {
        return apc_store($id, $data, $lifeTime);
    }

    /**