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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Component\Cache\Adapter;
- use Psr\Cache\CacheItemInterface;
- use Psr\Log\LoggerAwareInterface;
- use Symfony\Component\Cache\CacheItem;
- use Symfony\Component\Cache\ResettableInterface;
- use Symfony\Component\Cache\Traits\ArrayTrait;
- /**
- * @author Nicolas Grekas <p@tchwork.com>
- */
- class ArrayAdapter implements AdapterInterface, LoggerAwareInterface, ResettableInterface
- {
- use ArrayTrait;
- private $createCacheItem;
- /**
- * @param int $defaultLifetime
- * @param bool $storeSerialized Disabling serialization can lead to cache corruptions when storing mutable values but increases performance otherwise
- */
- public function __construct(int $defaultLifetime = 0, bool $storeSerialized = true)
- {
- $this->storeSerialized = $storeSerialized;
- $this->createCacheItem = \Closure::bind(
- function ($key, $value, $isHit) use ($defaultLifetime) {
- $item = new CacheItem();
- $item->key = $key;
- $item->value = $value;
- $item->isHit = $isHit;
- $item->defaultLifetime = $defaultLifetime;
- return $item;
- },
- null,
- CacheItem::class
- );
- }
- /**
- * {@inheritdoc}
- */
- public function getItem($key)
- {
- $isHit = $this->hasItem($key);
- try {
- if (!$isHit) {
- $this->values[$key] = $value = null;
- } elseif (!$this->storeSerialized) {
- $value = $this->values[$key];
- } elseif ('b:0;' === $value = $this->values[$key]) {
- $value = false;
- } elseif (false === $value = unserialize($value)) {
- $this->values[$key] = $value = null;
- $isHit = false;
- }
- } catch (\Exception $e) {
- CacheItem::log($this->logger, 'Failed to unserialize key "{key}"', ['key' => $key, 'exception' => $e]);
- $this->values[$key] = $value = null;
- $isHit = false;
- }
- $f = $this->createCacheItem;
- return $f($key, $value, $isHit);
- }
- /**
- * {@inheritdoc}
- */
- public function getItems(array $keys = [])
- {
- foreach ($keys as $key) {
- CacheItem::validateKey($key);
- }
- return $this->generateItems($keys, time(), $this->createCacheItem);
- }
- /**
- * {@inheritdoc}
- */
- public function deleteItems(array $keys)
- {
- foreach ($keys as $key) {
- $this->deleteItem($key);
- }
- return true;
- }
- /**
- * {@inheritdoc}
- */
- public function save(CacheItemInterface $item)
- {
- if (!$item instanceof CacheItem) {
- return false;
- }
- $item = (array) $item;
- $key = $item["\0*\0key"];
- $value = $item["\0*\0value"];
- $expiry = $item["\0*\0expiry"];
- if (null !== $expiry && $expiry <= time()) {
- $this->deleteItem($key);
- return true;
- }
- if ($this->storeSerialized) {
- try {
- $value = serialize($value);
- } catch (\Exception $e) {
- $type = \is_object($value) ? \get_class($value) : \gettype($value);
- CacheItem::log($this->logger, 'Failed to save key "{key}" ({type})', ['key' => $key, 'type' => $type, 'exception' => $e]);
- return false;
- }
- }
- if (null === $expiry && 0 < $item["\0*\0defaultLifetime"]) {
- $expiry = time() + $item["\0*\0defaultLifetime"];
- }
- $this->values[$key] = $value;
- $this->expiries[$key] = null !== $expiry ? $expiry : PHP_INT_MAX;
- return true;
- }
- /**
- * {@inheritdoc}
- */
- public function saveDeferred(CacheItemInterface $item)
- {
- return $this->save($item);
- }
- /**
- * {@inheritdoc}
- */
- public function commit()
- {
- return true;
- }
- }
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