<?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:----MjQwOTIyNDk1Njg0MzM1MSAxMTcyNjcxMDM0NTkyMzI3IDk0MjU4MzAzMjk3ODIyNjk=