107 lines
2.1 KiB
PHP
107 lines
2.1 KiB
PHP
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<?php
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namespace Doctrine\Common\Cache;
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use function apcu_cache_info;
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use function apcu_clear_cache;
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use function apcu_delete;
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use function apcu_exists;
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use function apcu_fetch;
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use function apcu_sma_info;
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use function apcu_store;
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use function count;
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/**
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* APCu cache provider.
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*
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* @link www.doctrine-project.org
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*/
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class ApcuCache extends CacheProvider
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{
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/**
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* {@inheritdoc}
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*/
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protected function doFetch($id)
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{
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return apcu_fetch($id);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doContains($id)
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{
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return apcu_exists($id);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave($id, $data, $lifeTime = 0)
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{
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return apcu_store($id, $data, $lifeTime);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDelete($id)
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{
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// apcu_delete returns false if the id does not exist
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return apcu_delete($id) || ! apcu_exists($id);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDeleteMultiple(array $keys)
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{
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$result = apcu_delete($keys);
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return $result !== false && count($result) !== count($keys);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFlush()
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{
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return apcu_clear_cache();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetchMultiple(array $keys)
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{
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return apcu_fetch($keys) ?: [];
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
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{
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$result = apcu_store($keysAndValues, null, $lifetime);
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return empty($result);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doGetStats()
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{
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$info = apcu_cache_info(true);
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$sma = apcu_sma_info();
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return [
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Cache::STATS_HITS => $info['num_hits'],
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Cache::STATS_MISSES => $info['num_misses'],
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Cache::STATS_UPTIME => $info['start_time'],
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Cache::STATS_MEMORY_USAGE => $info['mem_size'],
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Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'],
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];
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}
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}
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