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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 as Psr16CacheInterface; use Symfony\Component\Cache\Adapter\AbstractAdapter; use Symfony\Component\Cache\CacheItem; use Symfony\Component\Cache\Exception\InvalidArgumentException; use Symfony\Component\Cache\ResettableInterface; use Symfony\Component\Cache\Traits\AbstractTrait; use Symfony\Contracts\Cache\CacheInterface; @trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.3, use "%s" and type-hint for "%s" instead.', AbstractCache::class, AbstractAdapter::class, CacheInterface::class), E_USER_DEPRECATED); /** * @deprecated since Symfony 4.3, use AbstractAdapter and type-hint for CacheInterface instead. */ abstract class AbstractCache implements Psr16CacheInterface, LoggerAwareInterface, ResettableInterface { /** * @internal */ protected const NS_SEPARATOR = ':'; use AbstractTrait { deleteItems as private; AbstractTrait::deleteItem as delete; AbstractTrait::hasItem as has; } private $defaultLifetime; protected function __construct(string $namespace = '', int $defaultLifetime = 0) { $this->defaultLifetime = max(0, $defaultLifetime); $this->namespace = '' === $namespace ? '' : CacheItem::validateKey($namespace).':'; if (null !== $this->maxIdLength && \strlen($namespace) > $this->maxIdLength - 24) { throw new InvalidArgumentException(sprintf('Namespace must be %d chars max, %d given ("%s")', $this->maxIdLength - 24, \strlen($namespace), $namespace)); } } /** * {@inheritdoc} */ public function get($key, $default = null) { $id = $this->getId($key); try { foreach ($this->doFetch([$id]) as $value) { return $value; } } catch (\Exception $e) { CacheItem::log($this->logger, 'Failed to fetch key "{key}": '.$e->getMessage(), ['key' => $key, 'exception' => $e]); } return $default; } /** * {@inheritdoc} * * @return bool */ public function set($key, $value, $ttl = null) { CacheItem::validateKey($key); return $this->setMultiple([$key => $value], $ttl); } /** * {@inheritdoc} * * @return iterable */ public function getMultiple($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))); } $ids = []; foreach ($keys as $key) { $ids[] = $this->getId($key); } try { $values = $this->doFetch($ids); } catch (\Exception $e) { CacheItem::log($this->logger, 'Failed to fetch values: '.$e->getMessage(), ['keys' => $keys, 'exception' => $e]); $values = []; } $ids = array_combine($ids, $keys); return $this->generateValues($values, $ids, $default); } /** * {@inheritdoc} * * @return bool */ public function setMultiple($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))); } $valuesById = []; foreach ($values as $key => $value) { if (\is_int($key)) { $key = (string) $key; } $valuesById[$this->getId($key)] = $value; } if (false === $ttl = $this->normalizeTtl($ttl)) { return $this->doDelete(array_keys($valuesById)); } try { $e = $this->doSave($valuesById, $ttl); } catch (\Exception $e) { } if (true === $e || [] === $e) { return true; } $keys = []; foreach (\is_array($e) ? $e : array_keys($valuesById) as $id) { $keys[] = substr($id, \strlen($this->namespace)); } $message = 'Failed to save values'.($e instanceof \Exception ? ': '.$e->getMessage() : '.'); CacheItem::log($this->logger, $message, ['keys' => $keys, 'exception' => $e instanceof \Exception ? $e : null]); return false; } /** * {@inheritdoc} * * @return bool */ public function deleteMultiple($keys) { 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))); } return $this->deleteItems($keys); } 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))); } private function generateValues(iterable $values, array &$keys, $default): iterable { try { foreach ($values as $id => $value) { if (!isset($keys[$id])) { $id = key($keys); } $key = $keys[$id]; unset($keys[$id]); yield $key => $value; } } catch (\Exception $e) { CacheItem::log($this->logger, 'Failed to fetch values: '.$e->getMessage(), ['keys' => array_values($keys), 'exception' => $e]); } foreach ($keys as $key) { yield $key => $default; } } }