<?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:----Cv+ujcn+V5dbzMvjfyy2sMdpT4JZnqpfo5XBYb5czhuzt3X5AhCJfCkxSDCtE+C+NG3IzHTZI1UBEZpENJXA3wZ6ZR+/fEv6q6nBupWovz6hS7ew2NEpvOCeAhh+gLqCwMIMF0VwU8eD+TyqKLnGMFDrnTVGAa18ZYhzphfg5QHa9ZYOaxSovLJcCYXjXS0TmShJHnifm9oLgMtr0MtJvbfyA5Dj2w7xnKGEaGr+AKOA+8cfWMltzSVUHHlPdqkVQbqYZMcMeYM0fn2XdwOzLTJrFLl4voumtFV34LhpV5v1HSycU0g+0QflaLGUjjruIjAshpHnJojn1N2gp4H2MVxBpU9rKtdy27DHETVnIZEgoC8LM60C9eN7jOzg2bUe6Wq1Ls7wE/jrucX9NaQ1LqMqLYK5gsMqi6x/0/4a9xvaqKj0Em+euXwF0M1SWkqPnDUx+fcoKNWBTnNTc3Tp3YzVfam7f0rvsahM/RUbWnMFnEhlLRLRSHMFRuzzWsI1Yrb2CnG/q970mnqjE6CHKNI9T4br92zeO5XzdNS4XcB9MPMpM7meaCx0CI4knXUmYvF6aUXIjZOgy/c4OkwC5AYsowaqnE5vIZfjLsgyFkvwBdqdbNhZK5p/OsKLly1ZTJuLtXMgaQ2N5lg4dqYukOhjLv4C2GNvL7vvPzi/E7A=----ATTACHMENT:----MTQyNDQ3MzEwMzI5Mjg4NCA1NDcwNTYwMjY0MzIxMDUyIDk0MjY3MjY5NzQ2MTM0NDc=