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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\Simple;
- use Psr\Log\LoggerAwareInterface;
- use Psr\SimpleCache\CacheInterface;
- use Symfony\Component\Cache\CacheItem;
- use Symfony\Component\Cache\Exception\InvalidArgumentException;
- use Symfony\Component\Cache\ResettableInterface;
- use Symfony\Component\Cache\Traits\ArrayTrait;
- /**
- * @author Nicolas Grekas <p@tchwork.com>
- */
- class ArrayCache implements CacheInterface, LoggerAwareInterface, ResettableInterface
- {
- use ArrayTrait {
- ArrayTrait::deleteItem as delete;
- ArrayTrait::hasItem as has;
- }
- private $defaultLifetime;
- /**
- * @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->defaultLifetime = $defaultLifetime;
- $this->storeSerialized = $storeSerialized;
- }
- /**
- * {@inheritdoc}
- */
- public function get($key, $default = null)
- {
- foreach ($this->getMultiple([$key], $default) as $v) {
- return $v;
- }
- }
- /**
- * {@inheritdoc}
- */
- public function getMultiple($keys, $default = null)
- {
- if ($keys instanceof \Traversable) {
- $keys = iterator_to_array($keys, false);
- } elseif (!\is_array($keys)) {
- throw new InvalidArgumentException(sprintf('Cache keys must be array or Traversable, "%s" given', \is_object($keys) ? \get_class($keys) : \gettype($keys)));
- }
- foreach ($keys as $key) {
- CacheItem::validateKey($key);
- }
- return $this->generateItems($keys, time(), function ($k, $v, $hit) use ($default) { return $hit ? $v : $default; });
- }
- /**
- * {@inheritdoc}
- */
- public function deleteMultiple($keys)
- {
- if (!\is_array($keys) && !$keys instanceof \Traversable) {
- throw new InvalidArgumentException(sprintf('Cache keys must be array or Traversable, "%s" given', \is_object($keys) ? \get_class($keys) : \gettype($keys)));
- }
- foreach ($keys as $key) {
- $this->delete($key);
- }
- return true;
- }
- /**
- * {@inheritdoc}
- */
- public function set($key, $value, $ttl = null)
- {
- CacheItem::validateKey($key);
- return $this->setMultiple([$key => $value], $ttl);
- }
- /**
- * {@inheritdoc}
- */
- public function setMultiple($values, $ttl = null)
- {
- if (!\is_array($values) && !$values instanceof \Traversable) {
- throw new InvalidArgumentException(sprintf('Cache values must be array or Traversable, "%s" given', \is_object($values) ? \get_class($values) : \gettype($values)));
- }
- $valuesArray = [];
- foreach ($values as $key => $value) {
- \is_int($key) || CacheItem::validateKey($key);
- $valuesArray[$key] = $value;
- }
- if (false === $ttl = $this->normalizeTtl($ttl)) {
- return $this->deleteMultiple(array_keys($valuesArray));
- }
- if ($this->storeSerialized) {
- foreach ($valuesArray as $key => $value) {
- try {
- $valuesArray[$key] = 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;
- }
- }
- }
- $expiry = 0 < $ttl ? time() + $ttl : PHP_INT_MAX;
- foreach ($valuesArray as $key => $value) {
- $this->values[$key] = $value;
- $this->expiries[$key] = $expiry;
- }
- return true;
- }
- private function normalizeTtl($ttl)
- {
- if (null === $ttl) {
- return $this->defaultLifetime;
- }
- if ($ttl instanceof \DateInterval) {
- $ttl = (int) \DateTime::createFromFormat('U', 0)->add($ttl)->format('U');
- }
- if (\is_int($ttl)) {
- return 0 < $ttl ? $ttl : false;
- }
- throw new InvalidArgumentException(sprintf('Expiration date must be an integer, a DateInterval or null, "%s" given', \is_object($ttl) ? \get_class($ttl) : \gettype($ttl)));
- }
- }
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