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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 Khoa Bui (khoaofgod) <[email protected]> http://www.phpfastcache.com |
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* @author Georges.L (Geolim4) <[email protected]> |
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* |
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*/ |
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namespace phpFastCache\Drivers\Wincache; |
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use phpFastCache\Core\DriverAbstract; |
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use phpFastCache\Core\StandardPsr6StructureTrait; |
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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 Psr\Cache\CacheItemInterface; |
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/** |
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* Class Driver |
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* @package phpFastCache\Drivers |
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*/ |
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class Driver extends DriverAbstract |
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{ |
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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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return extension_loaded('wincache') && function_exists('wincache_ucache_set'); |
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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 \InvalidArgumentException |
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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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return wincache_ucache_set($item->getKey(), $this->driverPreWrap($item), $item->getTtl()); |
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} else { |
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throw new \InvalidArgumentException('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 $item) |
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{ |
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$val = wincache_ucache_get($item->getKey(), $suc); |
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if ($suc === false) { |
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return null; |
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} else { |
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return $val; |
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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 bool |
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* @throws \InvalidArgumentException |
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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 wincache_ucache_delete($item->getKey()); |
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} else { |
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throw new \InvalidArgumentException('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 wincache_ucache_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 driverStatistic |
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*/ |
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public function getStats() |
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{ |
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$memInfo = wincache_ucache_meminfo(); |
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$info = wincache_ucache_info(); |
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$date = (new \DateTime())->setTimestamp(time() - $info[ 'total_cache_uptime' ]); |
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return (new driverStatistic()) |
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->setInfo(sprintf("The Wincache daemon is up since %s.\n For more information see RawData.", $date->format(DATE_RFC2822))) |
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->setSize($memInfo[ 'memory_free' ] - $memInfo[ 'memory_total' ]) |
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->setData(implode(', ', array_keys($this->itemInstances))) |
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->setRawData($memInfo); |
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} |
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} |
PHPSocialNetwork /
phpfastcache
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.