<?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:----NjEzMzk0Nzk3NDc3NTg4MyA1MDQ5MDg5NjI3NzMwNTk5IDk1MDQ1NjY1NTQ2ODgwODU=