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15 * This software consists of voluntary contributions made by many individuals
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17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\Common\Cache;
23 * APCu cache provider.
25 * @link www.doctrine-project.org
27 * @author Kévin Dunglas <dunglas@gmail.com>
29 class ApcuCache extends CacheProvider
34 protected function doFetch($id)
36 return apcu_fetch($id);
42 protected function doContains($id)
44 return apcu_exists($id);
50 protected function doSave($id, $data, $lifeTime = 0)
52 return apcu_store($id, $data, $lifeTime);
58 protected function doDelete($id)
60 // apcu_delete returns false if the id does not exist
61 return apcu_delete($id) || ! apcu_exists($id);
67 protected function doDeleteMultiple(array $keys)
69 $result = apcu_delete($keys);
71 return false !== $result && count($result) !== count($keys);
77 protected function doFlush()
79 return apcu_clear_cache();
85 protected function doFetchMultiple(array $keys)
87 return apcu_fetch($keys) ?: [];
93 protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
95 $result = apcu_store($keysAndValues, null, $lifetime);
97 return empty($result);
103 protected function doGetStats()
105 $info = apcu_cache_info(true);
106 $sma = apcu_sma_info();
109 Cache::STATS_HITS => $info['num_hits'],
110 Cache::STATS_MISSES => $info['num_misses'],
111 Cache::STATS_UPTIME => $info['start_time'],
112 Cache::STATS_MEMORY_USAGE => $info['mem_size'],
113 Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'],