<?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:----OTk1MzE4NjQwNDAxOTM2NCA3NjY2OTk4OTk1OTY2NDg4IDUyNjgwOTAxODg1NTU0MDE=