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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\Predis; |
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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 Predis\Client as PredisClient; |
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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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* @property PredisClient $instance Instance of driver service |
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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, $this->getDriverName())); |
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} else { |
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$this->driverConnect(); |
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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('Redis')) { |
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trigger_error('The native Redis extension is installed, you should use Redis instead of Predis to increase performances', E_USER_NOTICE); |
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} |
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return class_exists('Predis\Client'); |
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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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View Code Duplication |
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 $this->instance->setex($item->getKey(), $ttl, $this->encode($this->driverPreWrap($item))); |
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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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View Code Duplication |
protected function driverRead(CacheItemInterface $item) |
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{ |
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$val = $this->instance->get($item->getKey()); |
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if ($val == false) { |
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return null; |
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} else { |
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return $this->decode($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 $this->instance->del($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 $this->instance->flushDB(); |
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} |
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/** |
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* @return bool |
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*/ |
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protected function driverConnect() |
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{ |
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$config = isset($this->config[ 'redis' ]) ? $this->config[ 'redis' ] : []; |
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$this->instance = new PredisClient(array_merge([ |
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'host' => '127.0.0.1', |
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'port' => '6379', |
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'password' => '', |
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'database' => '', |
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], $config)); |
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return true; |
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} |
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/******************** |
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* |
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* PSR-6 Extended Methods |
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* |
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*******************/ |
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/** |
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* @return driverStatistic |
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*/ |
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public function getStats() |
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{ |
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$info = $this->instance->info(); |
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$size = (isset($info['Memory']['used_memory']) ? $info['Memory']['used_memory'] : 0); |
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$version = (isset($info['Server']['redis_version']) ? $info['Server']['redis_version'] : 0); |
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$date = (isset($info['Server'][ 'uptime_in_seconds' ]) ? (new \DateTime())->setTimestamp(time() - $info['Server'][ 'uptime_in_seconds' ]) : 'unknown date'); |
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return (new driverStatistic()) |
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->setData(implode(', ', array_keys($this->itemInstances))) |
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->setRawData($this->instance->info()) |
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->setSize($size) |
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->setInfo(sprintf("The Redis daemon v%s is up since %s.\n For more information see RawData. \n Driver size includes the memory allocation size.", $version, $date->format(DATE_RFC2822))); |
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} |
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} |
PHPSocialNetwork /
phpfastcache
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.