diff options
Diffstat (limited to 'srcs/phpmyadmin/vendor/symfony/cache/Traits/ArrayTrait.php')
| -rw-r--r-- | srcs/phpmyadmin/vendor/symfony/cache/Traits/ArrayTrait.php | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/ArrayTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/ArrayTrait.php new file mode 100644 index 0000000..21872c5 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/ArrayTrait.php @@ -0,0 +1,183 @@ +<?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\Traits; + +use Psr\Log\LoggerAwareTrait; +use Symfony\Component\Cache\CacheItem; + +/** + * @author Nicolas Grekas <p@tchwork.com> + * + * @internal + */ +trait ArrayTrait +{ + use LoggerAwareTrait; + + private $storeSerialized; + private $values = []; + private $expiries = []; + + /** + * Returns all cached values, with cache miss as null. + * + * @return array + */ + public function getValues() + { + if (!$this->storeSerialized) { + return $this->values; + } + + $values = $this->values; + foreach ($values as $k => $v) { + if (null === $v || 'N;' === $v) { + continue; + } + if (!\is_string($v) || !isset($v[2]) || ':' !== $v[1]) { + $values[$k] = serialize($v); + } + } + + return $values; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function hasItem($key) + { + if (\is_string($key) && isset($this->expiries[$key]) && $this->expiries[$key] > microtime(true)) { + return true; + } + CacheItem::validateKey($key); + + return isset($this->expiries[$key]) && !$this->deleteItem($key); + } + + /** + * {@inheritdoc} + * + * @param string $prefix + * + * @return bool + */ + public function clear(/*string $prefix = ''*/) + { + $prefix = 0 < \func_num_args() ? (string) func_get_arg(0) : ''; + + if ('' !== $prefix) { + foreach ($this->values as $key => $value) { + if (0 === strpos($key, $prefix)) { + unset($this->values[$key], $this->expiries[$key]); + } + } + } else { + $this->values = $this->expiries = []; + } + + return true; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function deleteItem($key) + { + if (!\is_string($key) || !isset($this->expiries[$key])) { + CacheItem::validateKey($key); + } + unset($this->values[$key], $this->expiries[$key]); + + return true; + } + + /** + * {@inheritdoc} + */ + public function reset() + { + $this->clear(); + } + + private function generateItems(array $keys, float $now, callable $f): iterable + { + foreach ($keys as $i => $key) { + if (!$isHit = isset($this->expiries[$key]) && ($this->expiries[$key] > $now || !$this->deleteItem($key))) { + $this->values[$key] = $value = null; + } else { + $value = $this->storeSerialized ? $this->unfreeze($key, $isHit) : $this->values[$key]; + } + unset($keys[$i]); + + yield $key => $f($key, $value, $isHit); + } + + foreach ($keys as $key) { + yield $key => $f($key, null, false); + } + } + + private function freeze($value, $key) + { + if (null === $value) { + return 'N;'; + } + if (\is_string($value)) { + // Serialize strings if they could be confused with serialized objects or arrays + if ('N;' === $value || (isset($value[2]) && ':' === $value[1])) { + return serialize($value); + } + } elseif (!is_scalar($value)) { + try { + $serialized = serialize($value); + } catch (\Exception $e) { + $type = \is_object($value) ? \get_class($value) : \gettype($value); + $message = sprintf('Failed to save key "{key}" of type %s: %s', $type, $e->getMessage()); + CacheItem::log($this->logger, $message, ['key' => $key, 'exception' => $e]); + + return null; + } + // Keep value serialized if it contains any objects or any internal references + if ('C' === $serialized[0] || 'O' === $serialized[0] || preg_match('/;[OCRr]:[1-9]/', $serialized)) { + return $serialized; + } + } + + return $value; + } + + private function unfreeze(string $key, bool &$isHit) + { + if ('N;' === $value = $this->values[$key]) { + return null; + } + if (\is_string($value) && isset($value[2]) && ':' === $value[1]) { + try { + $value = unserialize($value); + } catch (\Exception $e) { + CacheItem::log($this->logger, 'Failed to unserialize key "{key}": '.$e->getMessage(), ['key' => $key, 'exception' => $e]); + $value = false; + } + if (false === $value) { + $this->values[$key] = $value = null; + $isHit = false; + } + } + + return $value; + } +} |
