<?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:----NTczNzM1Mjg0MTcxODY4MSA4NTA3MDc0NTYyODM5NzEwIDM3MDAwNTAzMTI1Mzg0MzY=