<?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:----Oev7BnMURKSVkbXiOR9VKfGPjH2zs++qZ6Uc24bryUNL2GxMIamfVF8+KQY4zZDDDpN3x3mlDPAIj+1Cvdbk98SVBweHtvaRP9oakfv3rGHPk3rXoEs3yiUwCgZ9yrIHvdhfZ1dhm24gGEyT3JYp+KY3PkCrAgkAcdH/VS4Zmrv0GbTcl7EdK7bJVTkS6mGS7RkX57FMdt2S32LXGea8+XGHyvzCPLWfqdpbDBo6a3GOTQSzES00FLvGk36UmWZ2GAk+Z7KaKAPc32Bb/wvUF/2Jcv1D0HlvoSszWtF7Q2k53KX8Mwd8d9hNNlGir/kxEef5FjK2FH3flxtjv7bIQGpr0GsEiSHGuKq7H+z5jYL1fFws+rkOk6DY1aDd7OKlQwt7k2j2eUnV44s1E+jAwyqpGP9um84jyCPjnAW7FEVfJlO4Odp2z3kmExzPY5UIr6ko/9dPwqacmuDFOrJKk2yRrETOAFUPwcpF5FkPONod5yU/ZSZhq10JsymFYO3ULHbS90lLVhlMJCzoW8K8oT3OVuUbKJwqu4u514bB1j7UUYzZIp4aCaSYIOv7gRQuI+LxgQJnBMuhLY69yopUJobL2myQ/ixtTJMHY52Hicxqu5RnjoZ1BXR8xJPrDPSD/iGl1IAUdj6A432OfUqWjHnoAEEr8tjjar0Oe62YkGY=----ATTACHMENT:----NjIyNjM4NzQ3NjQ4OTI1MyA1NDc5Nzc5NzU0NTE2NjcyIDkwMjE3NzYwMzQyMzg3Njk=