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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 and LICENCE files. |
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* |
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* @author Georges.L (Geolim4) <[email protected]> |
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* @author Contributors https://github.com/PHPSocialNetwork/phpfastcache/graphs/contributors |
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*/ |
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declare(strict_types=1); |
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namespace Phpfastcache\Drivers\Devrandom; |
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use DateInterval; |
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use DateTime; |
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use Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use Phpfastcache\Core\Pool\TaggableCacheItemPoolTrait; |
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use Phpfastcache\Entities\DriverStatistic; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException; |
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use Psr\Cache\CacheItemInterface; |
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/** |
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* @property Config $config Return the config object |
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*/ |
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class Driver implements ExtendedCacheItemPoolInterface |
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{ |
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use TaggableCacheItemPoolTrait; |
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/** |
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* @return bool |
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*/ |
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public function driverCheck(): bool |
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{ |
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return true; |
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} |
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/** |
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* @return DriverStatistic |
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*/ |
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public function getStats(): DriverStatistic |
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{ |
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$stat = new DriverStatistic(); |
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$stat->setInfo('[Devrandom] A void info string') |
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->setSize(0) |
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->setData(implode(', ', array_keys($this->itemInstances))) |
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->setRawData(false); |
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return $stat; |
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} |
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/** |
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* @param CacheItemInterface $item |
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* @return bool |
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* @throws PhpfastcacheInvalidArgumentException |
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*/ |
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protected function driverWrite(CacheItemInterface $item): bool |
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{ |
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$this->assertCacheItemType($item, Item::class); |
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return true; |
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} |
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/** |
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* @param CacheItemInterface $item |
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* @return array |
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*/ |
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protected function driverRead(CacheItemInterface $item): ?array |
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{ |
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$chanceOfRetrieval = $this->getConfig()->getChanceOfRetrieval(); |
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$ttl = $this->getConfig()->getDefaultTtl(); |
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if (\random_int(0, 100) < $chanceOfRetrieval) { |
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return [ |
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self::DRIVER_DATA_WRAPPER_INDEX => \bin2hex(\random_bytes($this->getConfig()->getDataLength())), |
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self::DRIVER_TAGS_WRAPPER_INDEX => [], |
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self::DRIVER_EDATE_WRAPPER_INDEX => (new DateTime())->add(new DateInterval("PT{$ttl}S")), |
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]; |
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} |
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return null; |
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} |
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/** |
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* @param 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 $item): bool |
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{ |
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$this->assertCacheItemType($item, Item::class); |
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return true; |
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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(): bool |
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{ |
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return true; |
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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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public function getConfig(): Config |
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{ |
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return $this->config; |
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} |
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} |
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PHPSocialNetwork /
phpfastcache
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.