diff options
Diffstat (limited to 'srcs/phpmyadmin/vendor/symfony/cache-contracts/CacheTrait.php')
| -rw-r--r-- | srcs/phpmyadmin/vendor/symfony/cache-contracts/CacheTrait.php | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/vendor/symfony/cache-contracts/CacheTrait.php b/srcs/phpmyadmin/vendor/symfony/cache-contracts/CacheTrait.php new file mode 100644 index 0000000..355ea29 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache-contracts/CacheTrait.php @@ -0,0 +1,76 @@ +<?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\Contracts\Cache; + +use Psr\Cache\CacheItemPoolInterface; +use Psr\Cache\InvalidArgumentException; +use Psr\Log\LoggerInterface; + +/** + * An implementation of CacheInterface for PSR-6 CacheItemPoolInterface classes. + * + * @author Nicolas Grekas <p@tchwork.com> + */ +trait CacheTrait +{ + /** + * {@inheritdoc} + */ + public function get(string $key, callable $callback, float $beta = null, array &$metadata = null) + { + return $this->doGet($this, $key, $callback, $beta, $metadata); + } + + /** + * {@inheritdoc} + */ + public function delete(string $key): bool + { + return $this->deleteItem($key); + } + + private function doGet(CacheItemPoolInterface $pool, string $key, callable $callback, ?float $beta, array &$metadata = null, LoggerInterface $logger = null) + { + if (0 > $beta = $beta ?? 1.0) { + throw new class(sprintf('Argument "$beta" provided to "%s::get()" must be a positive number, %f given.', \get_class($this), $beta)) extends \InvalidArgumentException implements InvalidArgumentException { + }; + } + + $item = $pool->getItem($key); + $recompute = !$item->isHit() || INF === $beta; + $metadata = $item instanceof ItemInterface ? $item->getMetadata() : []; + + if (!$recompute && $metadata) { + $expiry = $metadata[ItemInterface::METADATA_EXPIRY] ?? false; + $ctime = $metadata[ItemInterface::METADATA_CTIME] ?? false; + + if ($recompute = $ctime && $expiry && $expiry <= ($now = microtime(true)) - $ctime / 1000 * $beta * log(random_int(1, PHP_INT_MAX) / PHP_INT_MAX)) { + // force applying defaultLifetime to expiry + $item->expiresAt(null); + $logger && $logger->info('Item "{key}" elected for early recomputation {delta}s before its expiration', [ + 'key' => $key, + 'delta' => sprintf('%.1f', $expiry - $now), + ]); + } + } + + if ($recompute) { + $save = true; + $item->set($callback($item, $save)); + if ($save) { + $pool->save($item); + } + } + + return $item->get(); + } +} |
