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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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namespace phpFastCache\Drivers\Zenddisk; |
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use phpFastCache\Core\Pool\DriverBaseTrait; |
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use phpFastCache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use phpFastCache\Entities\driverStatistic; |
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use phpFastCache\Exceptions\phpFastCacheDriverCheckException; |
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use phpFastCache\Exceptions\phpFastCacheDriverException; |
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use phpFastCache\Exceptions\phpFastCacheInvalidArgumentException; |
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use Psr\Cache\CacheItemInterface; |
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/** |
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* Class Driver (zend disk cache) |
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* Requires Zend Data Cache Functions from ZendServer |
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* @package phpFastCache\Drivers |
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*/ |
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class Driver implements ExtendedCacheItemPoolInterface |
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{ |
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use DriverBaseTrait; |
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/** |
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* Driver constructor. |
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* @param array $config |
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* @throws phpFastCacheDriverException |
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*/ |
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public function __construct(array $config = []) |
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{ |
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$this->setup($config); |
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if (!$this->driverCheck()) { |
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throw new phpFastCacheDriverCheckException(sprintf(self::DRIVER_CHECK_FAILURE, $this->getDriverName())); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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public function driverCheck() |
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{ |
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if (extension_loaded('Zend Data Cache') && function_exists('zend_disk_cache_store')) { |
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return true; |
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} else { |
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return false; |
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} |
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} |
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/** |
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* @param \Psr\Cache\CacheItemInterface $item |
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* @return mixed |
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* @throws phpFastCacheInvalidArgumentException |
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*/ |
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protected function driverWrite(CacheItemInterface $item) |
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{ |
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/** |
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* Check for Cross-Driver type confusion |
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*/ |
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if ($item instanceof Item) { |
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$ttl = $item->getExpirationDate()->getTimestamp() - time(); |
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return zend_disk_cache_store($item->getKey(), $this->driverPreWrap($item), ($ttl > 0 ? $ttl : 0)); |
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} else { |
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throw new phpFastCacheInvalidArgumentException('Cross-Driver type confusion detected'); |
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} |
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} |
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/** |
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* @param \Psr\Cache\CacheItemInterface $item |
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* @return mixed |
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*/ |
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protected function driverRead(CacheItemInterface $item) |
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{ |
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$data = zend_disk_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 \Psr\Cache\CacheItemInterface $item |
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* @return bool |
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* @throws phpFastCacheInvalidArgumentException |
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*/ |
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protected function driverDelete(CacheItemInterface $item) |
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{ |
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/** |
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* Check for Cross-Driver type confusion |
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*/ |
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if ($item instanceof Item) { |
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return zend_disk_cache_delete($item->getKey()); |
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} else { |
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throw new phpFastCacheInvalidArgumentException('Cross-Driver type confusion detected'); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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protected function driverClear() |
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{ |
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return @zend_disk_cache_clear(); |
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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() |
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{ |
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return true; |
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} |
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/******************** |
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* |
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* PSR-6 Extended Methods |
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* |
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*******************/ |
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/** |
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* @return string |
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*/ |
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public static function getHelp() |
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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: http://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() |
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{ |
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$stat = new driverStatistic(); |
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$stat->setInfo('[ZendDisk] A void info string') |
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->setSize(0) |
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->setData(implode(', ', array_keys($this->itemInstances))) |
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->setRawData(false); |
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return $stat; |
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} |
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} |
PHPSocialNetwork /
phpfastcache
