<?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:----MTQ2OTQ5OTIwNzA4MzczOCA3MTU2MjM2Mzc2OTM1NDMzIDQzNzIyNjI0NDk4MzA3MzA=