<?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:----NTU0MjU3NzE4ODgyMjYzMSA1NTMxNjE5ODk0MzY3OTg5IDY1NDgyNTE1OTk0MDU0NTA=