<?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:----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----ATTACHMENT:----NTAxMjYwNDU2NTk2NjMwIDcyNzIyMDE1NDQwMzI1MzYgNzI5MDM0ODg2NTk1OTc4Ng==