142 lines
3.3 KiB
PHP
142 lines
3.3 KiB
PHP
<?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 <support@hammermaps.de>
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*
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*/
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declare(strict_types=1);
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namespace Phpfastcache\Drivers\Zenddisk;
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use Phpfastcache\Cluster\AggregatablePoolInterface;
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use Phpfastcache\Core\Pool\{DriverBaseTrait, ExtendedCacheItemPoolInterface};
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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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* 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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* @property Config $config Config object
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* @method Config getConfig() Return the config object
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*/
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class Driver implements ExtendedCacheItemPoolInterface, AggregatablePoolInterface
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{
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use DriverBaseTrait;
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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 extension_loaded('Zend Data Cache') && function_exists('zend_disk_cache_store');
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}
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/**
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* @return string
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*/
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public function getHelp(): string
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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: https://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(): DriverStatistic
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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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/**
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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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/**
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* @param CacheItemInterface $item
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* @return null|array
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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 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 $item): bool
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{
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/**
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* Check for Cross-Driver type confusion
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*/
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if ($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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}
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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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* PSR-6 Extended Methods
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*
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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 $item): bool
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{
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/**
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* Check for Cross-Driver type confusion
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*/
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if ($item instanceof Item) {
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return (bool)zend_disk_cache_delete($item->getKey());
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}
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throw new PhpfastcacheInvalidArgumentException('Cross-Driver type confusion detected');
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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 @zend_disk_cache_clear();
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}
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}
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