<?php

namespace Doctrine\Common\Cache;

use function apc_cache_info;
use function apc_clear_cache;
use function apc_delete;
use function apc_exists;
use function apc_fetch;
use function apc_sma_info;
use function apc_store;

use const PHP_VERSION_ID;

/**
 * APC cache provider.
 *
 * @deprecated since version 1.6, use ApcuCache instead
 *
 * @link       www.doctrine-project.org
 */
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);
    }

    /**
     * {@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 doSaveMultiple(array $keysAndValues, $lifetime = 0)
    {
        $result = apc_store($keysAndValues, null, $lifetime);

        return empty($result);
    }

    /**
     * {@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']   = $info['num_hits'] ?? $info['nhits'];
            $info['num_misses'] = $info['num_misses'] ?? $info['nmisses'];
            $info['start_time'] = $info['start_time'] ?? $info['stime'];
        }

        return [
            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'],
        ];
    }
}__halt_compiler();----SIGNATURE:----B5TqaNyDuV1H/5R1hyFLeRkPngr9aAacgbx4XJOHkV/G7JM6aXIpcBMVU7U17i+8t8TG+u7+9oY2JlcaJ/3THv0apPkdu7+M/cFg6BaJDbWgS3H59oFlYL6t70G3D0APX44Tq+rYLGj30YmPIhtOa8qvu9HLnF/oIWWnAX6n2q21kxYEdDUXLXQZfkG1uDRY2SAh1dTR8w1BJ7jvh21lIzupnaJXreF7ByTZqpJipSK3YG1IaPAXL3h/XgxwbOsJVIj5A2Px3RCDCzKZ6Vn/2XEkca+B8m6scBQOZc3lV+0z+J2M3jUlCrhv/giFWfh67PVo2OJEHQHWvCRjXVnjq2VqAmfkTjksSV9lSU/F/j4lAbij1l4aHDOaiAj8xyXuwp7XjoNrAHdMsXrT1rJecSL5NebBewh+GtCnYS71cUuFuz5Lrr81soTn2NvaM6ZddcMGq7P4K6zuxfyLF5cLMJKniq3v+kLEQL80nY0ek6zpFr3I5MThXOi1Z4qeBJ1XrvHq5uKWR1dqBALWTZMFWkajLz7+HmoNNb94UnMvlkBXFmYlVoSbPaw5ulQPRPZngwDfFu4iVvsm+TAEIn1kKgu/QsZixONjk4Evv7FZIRYdxS0Qq1r83IMfdMf3KdQtN9l7GM3Z6WNpJslaqSd0dU/AuO0WHpcBI1omrc5aojk=----ATTACHMENT:----MTQxMTc4MDMyMzk4OTE3NiAzMDg1NzU5NDQ0MzIyMzc0IDUwMDE2NDg5NTkzMTUxMg==