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<?php |
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/** |
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* |
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* This file is part of Phpfastcache. |
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* |
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* @license MIT License (MIT) |
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* |
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* For full copyright and license information, please see the docs/CREDITS.txt file. |
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* |
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* @author Lucas Brucksch <[email protected]> |
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* |
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*/ |
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declare(strict_types=1); |
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namespace Phpfastcache\Drivers\Zendshm; |
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use Phpfastcache\Cluster\AggregatablePoolInterface; |
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use Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use Phpfastcache\Core\Pool\TaggableCacheItemPoolTrait; |
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use Phpfastcache\Core\Item\ExtendedCacheItemInterface; |
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use Phpfastcache\Entities\DriverStatistic; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException; |
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/** |
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* Requires Zend Data Cache Functions from ZendServer |
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* @method Config getConfig() |
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*/ |
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class Driver implements ExtendedCacheItemPoolInterface, AggregatablePoolInterface |
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{ |
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use TaggableCacheItemPoolTrait; |
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/** |
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* @return bool |
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*/ |
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public function driverCheck(): bool |
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{ |
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return extension_loaded('Zend Data Cache') && function_exists('zend_shm_cache_store'); |
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} |
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/** |
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* @return string |
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*/ |
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public function getHelp(): string |
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{ |
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return <<<HELP |
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<p> |
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This driver rely on Zend Server 8.5+, see: https://www.zend.com/en/products/zend_server |
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</p> |
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HELP; |
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} |
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/** |
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* @return DriverStatistic |
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*/ |
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public function getStats(): DriverStatistic |
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{ |
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$stats = (array)zend_shm_cache_info(); |
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return (new DriverStatistic()) |
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->setData(implode(', ', array_keys($this->itemInstances))) |
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->setInfo(sprintf("The Zend memory have %d item(s) in cache.\n For more information see RawData.", $stats['items_total'])) |
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->setRawData($stats) |
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->setSize($stats['memory_total']); |
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} |
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/** |
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* @return bool |
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*/ |
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protected function driverConnect(): bool |
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{ |
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return true; |
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} |
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/** |
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* @param ExtendedCacheItemInterface $item |
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* @return null|array |
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*/ |
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protected function driverRead(ExtendedCacheItemInterface $item): ?array |
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{ |
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$data = zend_shm_cache_fetch($item->getKey()); |
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if ($data === false) { |
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return null; |
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} |
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return $data; |
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} |
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/** |
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* @param ExtendedCacheItemInterface $item |
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* @return mixed |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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protected function driverWrite(ExtendedCacheItemInterface $item): bool |
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{ |
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$this->assertCacheItemType($item, Item::class); |
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$ttl = $item->getExpirationDate()->getTimestamp() - time(); |
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return zend_shm_cache_store($item->getKey(), $this->driverPreWrap($item), ($ttl > 0 ? $ttl : 0)); |
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} |
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/** |
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* @param ExtendedCacheItemInterface $item |
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* @return bool |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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protected function driverDelete(ExtendedCacheItemInterface $item): bool |
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{ |
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$this->assertCacheItemType($item, Item::class); |
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return (bool)zend_shm_cache_delete($item->getKey()); |
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} |
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protected function driverClear(): bool |
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{ |
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return @zend_shm_cache_clear(); |
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} |
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} |
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PHPSocialNetwork /
phpfastcache
