117 lines
3.5 KiB
PHP
117 lines
3.5 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Cache\Adapter;
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use Symfony\Component\Cache\CacheItem;
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use Symfony\Component\Cache\Exception\CacheException;
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use Symfony\Component\Cache\Marshaller\MarshallerInterface;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class ApcuAdapter extends AbstractAdapter
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{
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/**
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* @throws CacheException if APCu is not enabled
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*/
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public function __construct(
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string $namespace = '',
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int $defaultLifetime = 0,
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?string $version = null,
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private ?MarshallerInterface $marshaller = null,
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) {
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if (!static::isSupported()) {
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throw new CacheException('APCu is not enabled.');
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}
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if ('cli' === \PHP_SAPI) {
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ini_set('apc.use_request_time', 0);
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}
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parent::__construct($namespace, $defaultLifetime);
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if (null !== $version) {
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CacheItem::validateKey($version);
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if (!apcu_exists($version.'@'.$namespace)) {
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$this->doClear($namespace);
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apcu_add($version.'@'.$namespace, null);
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}
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}
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}
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public static function isSupported(): bool
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{
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return \function_exists('apcu_fetch') && filter_var(\ini_get('apc.enabled'), \FILTER_VALIDATE_BOOL);
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}
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protected function doFetch(array $ids): iterable
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{
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$unserializeCallbackHandler = ini_set('unserialize_callback_func', __CLASS__.'::handleUnserializeCallback');
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try {
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$values = [];
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foreach (apcu_fetch($ids, $ok) ?: [] as $k => $v) {
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if (null !== $v || $ok) {
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$values[$k] = null !== $this->marshaller ? $this->marshaller->unmarshall($v) : $v;
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}
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}
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return $values;
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} catch (\Error $e) {
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throw new \ErrorException($e->getMessage(), $e->getCode(), \E_ERROR, $e->getFile(), $e->getLine());
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} finally {
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ini_set('unserialize_callback_func', $unserializeCallbackHandler);
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}
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}
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protected function doHave(string $id): bool
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{
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return apcu_exists($id);
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}
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protected function doClear(string $namespace): bool
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{
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return isset($namespace[0]) && class_exists(\APCUIterator::class, false) && ('cli' !== \PHP_SAPI || filter_var(\ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOL))
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? apcu_delete(new \APCUIterator(sprintf('/^%s/', preg_quote($namespace, '/')), \APC_ITER_KEY))
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: apcu_clear_cache();
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}
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protected function doDelete(array $ids): bool
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{
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foreach ($ids as $id) {
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apcu_delete($id);
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}
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return true;
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}
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protected function doSave(array $values, int $lifetime): array|bool
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{
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if (null !== $this->marshaller && (!$values = $this->marshaller->marshall($values, $failed))) {
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return $failed;
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}
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try {
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if (false === $failures = apcu_store($values, null, $lifetime)) {
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$failures = $values;
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}
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return array_keys($failures);
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} catch (\Throwable $e) {
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if (1 === \count($values)) {
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// Workaround https://github.com/krakjoe/apcu/issues/170
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apcu_delete(array_key_first($values));
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}
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throw $e;
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}
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}
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}
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