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Drivers
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Zenddisk
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File: Driver.php
<?php /** * * This file is part of phpFastCache. * * @license MIT License (MIT) * * For full copyright and license information, please see the docs/CREDITS.txt file. * * @author Lucas Brucksch <support@hammermaps.de> * */ declare(strict_types=1); namespace Phpfastcache\Drivers\Zenddisk; use Phpfastcache\Core\Pool\{ DriverBaseTrait, ExtendedCacheItemPoolInterface }; use Phpfastcache\Entities\DriverStatistic; use Phpfastcache\Exceptions\{ PhpfastcacheInvalidArgumentException }; use Psr\Cache\CacheItemInterface; /** * Class Driver (zend disk cache) * Requires Zend Data Cache Functions from ZendServer * @package phpFastCache\Drivers * @property Config $config Config object * @method Config getConfig() Return the config object */ class Driver implements ExtendedCacheItemPoolInterface { use DriverBaseTrait; /** * @return bool */ public function driverCheck(): bool { return \extension_loaded('Zend Data Cache') && \function_exists('zend_disk_cache_store'); } /** * @return bool */ protected function driverConnect(): bool { return true; } /** * @param \Psr\Cache\CacheItemInterface $item * @return null|array */ protected function driverRead(CacheItemInterface $item) { $data = zend_disk_cache_fetch($item->getKey()); if ($data === false) { return null; } return $data; } /** * @param \Psr\Cache\CacheItemInterface $item * @return mixed * @throws PhpfastcacheInvalidArgumentException */ protected function driverWrite(CacheItemInterface $item): bool { /** * Check for Cross-Driver type confusion */ if ($item instanceof Item) { $ttl = $item->getExpirationDate()->getTimestamp() - \time(); return zend_disk_cache_store($item->getKey(), $this->driverPreWrap($item), ($ttl > 0 ? $ttl : 0)); } throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected'); } /** * @param \Psr\Cache\CacheItemInterface $item * @return bool * @throws PhpfastcacheInvalidArgumentException */ protected function driverDelete(CacheItemInterface $item): bool { /** * Check for Cross-Driver type confusion */ if ($item instanceof Item) { return (bool)zend_disk_cache_delete($item->getKey()); } throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected'); } /** * @return bool */ protected function driverClear(): bool { return @zend_disk_cache_clear(); } /******************** * * PSR-6 Extended Methods * *******************/ /** * @return string */ public function getHelp(): string { return <<<HELP <p> This driver rely on Zend Server 8.5+, see: https://www.zend.com/en/products/zend_server </p> HELP; } /** * @return DriverStatistic */ public function getStats(): DriverStatistic { $stat = new DriverStatistic(); $stat->setInfo('[ZendDisk] A void info string') ->setSize(0) ->setData(\implode(', ', \array_keys($this->itemInstances))) ->setRawData(false); return $stat; } }