<?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:----MjkzOTE1MjczNDU1MjkzNCA1Mjc5MjY4NjUzNjgxOTk1IDcwMjE0MjQ4MjM2MDA1NTM=