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<?php |
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declare(strict_types=1); |
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namespace voku\cache; |
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/** |
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* AdapterOpCache: PHP-OPcache |
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* |
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* OPcache improves PHP performance by storing precompiled script bytecode |
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* in shared memory, thereby removing the need for PHP to load and |
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* parse scripts on each request. |
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*/ |
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class AdapterOpCache extends AdapterFileSimple |
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{ |
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/** |
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* @var bool |
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*/ |
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private static $hasCompileFileFunction; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct($cacheDir = null) |
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{ |
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parent::__construct($cacheDir); |
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$this->serializer = new SerializerNo(); |
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if (self::$hasCompileFileFunction === null) { |
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/** @noinspection PhpComposerExtensionStubsInspection */ |
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self::$hasCompileFileFunction = \function_exists('opcache_compile_file') && !empty(\opcache_get_status()); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get(string $key) |
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{ |
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$path = $this->getFileName($key); |
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View Code Duplication |
if ( |
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\file_exists($path) === false |
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|| |
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\filesize($path) === 0 |
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) { |
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return null; |
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} |
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/** @noinspection PhpIncludeInspection */ |
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$data = include $path; |
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if (!$data || !$this->validateDataFromCache($data)) { |
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return null; |
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} |
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if ($this->ttlHasExpired($data['ttl']) === true) { |
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$this->remove($key); |
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return null; |
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} |
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return $data['value']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getFileName(string $key): string |
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{ |
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return $this->cacheDir . \DIRECTORY_SEPARATOR . self::CACHE_FILE_PREFIX . $key . '.php'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setExpired(string $key, $value, int $ttl = 0): bool |
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{ |
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$item = [ |
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'value' => $value, |
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'ttl' => $ttl ? $ttl + \time() : 0, |
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]; |
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$content = \var_export($item, true); |
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$content = '<?php |
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return ' . $content . '; |
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'; |
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$cacheFile = $this->getFileName($key); |
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$result = (bool) \file_put_contents( |
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$cacheFile, |
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$content, |
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0, |
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$this->getContext() |
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); |
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if ( |
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$result === true |
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&& |
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self::$hasCompileFileFunction === true |
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) { |
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// opcache will only compile and cache files older than the script execution start. |
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// set a date before the script execution date, then opcache will compile and cache the generated file. |
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/** @noinspection SummerTimeUnsafeTimeManipulationInspection */ |
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\touch($cacheFile, \time() - 86400); |
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/** @noinspection PhpComposerExtensionStubsInspection */ |
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\opcache_invalidate($cacheFile); |
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/** @noinspection PhpComposerExtensionStubsInspection */ |
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\opcache_compile_file($cacheFile); |
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} |
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return $result; |
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} |
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} |
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voku /
simple-cache
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.