initial commit; version 22.5.12042

libs/Phpfastcache8/Drivers/Zenddisk/Driver.php

@@ -0,0 +1,141 @@
+<?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\Cluster\AggregatablePoolInterface;
+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, AggregatablePoolInterface
+{
+    use DriverBaseTrait;
+
+    /**
+     * @return bool
+     */
+    public function driverCheck(): bool
+    {
+        return extension_loaded('Zend Data Cache') && function_exists('zend_disk_cache_store');
+    }
+
+    /**
+     * @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;
+    }
+
+    /**
+     * @return bool
+     */
+    protected function driverConnect(): bool
+    {
+        return true;
+    }
+
+    /**
+     * @param 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 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');
+    }
+
+    /********************
+     *
+     * PSR-6 Extended Methods
+     *
+     *******************/
+
+    /**
+     * @param 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();
+    }
+}