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Name	Size	Permission	Date
AbstractAdapter.php	8.02 KB	-rw-r--r--	2021-02-05 18:32
AbstractTagAwareAdapter.php	12.17 KB	-rw-r--r--	2021-02-05 18:32
AdapterInterface.php	1 KB	-rw-r--r--	2021-02-05 18:32
ApcuAdapter.php	643 B	-rw-r--r--	2021-02-05 18:32
ArrayAdapter.php	4.25 KB	-rw-r--r--	2021-02-05 18:32
ChainAdapter.php	8.6 KB	-rw-r--r--	2021-02-05 18:32
DoctrineAdapter.php	700 B	-rw-r--r--	2021-02-05 18:32
FilesystemAdapter.php	933 B	-rw-r--r--	2021-02-05 18:32
FilesystemTagAwareAdapter.php	7.42 KB	-rw-r--r--	2021-02-05 18:32
MemcachedAdapter.php	1.27 KB	-rw-r--r--	2021-02-05 18:32
NullAdapter.php	2.71 KB	-rw-r--r--	2021-02-05 18:32
PdoAdapter.php	2.31 KB	-rw-r--r--	2021-02-05 18:32
PhpArrayAdapter.php	9.41 KB	-rw-r--r--	2021-02-05 18:32
PhpFilesAdapter.php	1.32 KB	-rw-r--r--	2021-02-05 18:32
ProxyAdapter.php	8.21 KB	-rw-r--r--	2021-02-05 18:32
Psr16Adapter.php	1.84 KB	-rw-r--r--	2021-02-05 18:32
RedisAdapter.php	1 KB	-rw-r--r--	2021-02-05 18:32
RedisTagAwareAdapter.php	11.06 KB	-rw-r--r--	2021-02-05 18:32
SimpleCacheAdapter.php	553 B	-rw-r--r--	2021-02-05 18:32
TagAwareAdapter.php	11.35 KB	-rw-r--r--	2021-02-05 18:32
TagAwareAdapterInterface.php	785 B	-rw-r--r--	2021-02-05 18:32
TraceableAdapter.php	6.9 KB	-rw-r--r--	2021-02-05 18:32
TraceableTagAwareAdapter.php	926 B	-rw-r--r--	2021-02-05 18:32

Rename

<?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\Log\LoggerAwareInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\Cache\CacheItem;
use Symfony\Component\Cache\Exception\InvalidArgumentException;
use Symfony\Component\Cache\ResettableInterface;
use Symfony\Component\Cache\Traits\AbstractAdapterTrait;
use Symfony\Component\Cache\Traits\ContractsTrait;
use Symfony\Contracts\Cache\CacheInterface;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 */
abstract class AbstractAdapter implements AdapterInterface, CacheInterface, LoggerAwareInterface, ResettableInterface
{
    /**
     * @internal
     */
    protected const NS_SEPARATOR = ':';

use AbstractAdapterTrait;
    use ContractsTrait;

private static $apcuSupported;
    private static $phpFilesSupported;

protected function __construct(string $namespace = '', int $defaultLifetime = 0)
    {
        $this->namespace = '' === $namespace ? '' : CacheItem::validateKey($namespace).static::NS_SEPARATOR;
        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));
        }
        $this->createCacheItem = \Closure::bind(
            static function ($key, $value, $isHit) {
                $item = new CacheItem();
                $item->key = $key;
                $item->value = $v = $value;
                $item->isHit = $isHit;
                // Detect wrapped values that encode for their expiry and creation duration
                // For compactness, these values are packed in the key of an array using
                // magic numbers in the form 9D-..-..-..-..-00-..-..-..-5F
                if (\is_array($v) && 1 === \count($v) && 10 === \strlen($k = key($v)) && "\x9D" === $k[0] && "\0" === $k[5] && "\x5F" === $k[9]) {
                    $item->value = $v[$k];
                    $v = unpack('Ve/Nc', substr($k, 1, -1));
                    $item->metadata[CacheItem::METADATA_EXPIRY] = $v['e'] + CacheItem::METADATA_EXPIRY_OFFSET;
                    $item->metadata[CacheItem::METADATA_CTIME] = $v['c'];
                }

return $item;
            },
            null,
            CacheItem::class
        );
        $getId = \Closure::fromCallable([$this, 'getId']);
        $this->mergeByLifetime = \Closure::bind(
            static function ($deferred, $namespace, &$expiredIds) use ($getId, $defaultLifetime) {
                $byLifetime = [];
                $now = microtime(true);
                $expiredIds = [];

foreach ($deferred as $key => $item) {
                    $key = (string) $key;
                    if (null === $item->expiry) {
                        $ttl = 0 < $defaultLifetime ? $defaultLifetime : 0;
                    } elseif (0 === $item->expiry) {
                        $ttl = 0;
                    } elseif (0 >= $ttl = (int) (0.1 + $item->expiry - $now)) {
                        $expiredIds[] = $getId($key);
                        continue;
                    }
                    if (isset(($metadata = $item->newMetadata)[CacheItem::METADATA_TAGS])) {
                        unset($metadata[CacheItem::METADATA_TAGS]);
                    }
                    // For compactness, expiry and creation duration are packed in the key of an array, using magic numbers as separators
                    $byLifetime[$ttl][$getId($key)] = $metadata ? ["\x9D".pack('VN', (int) (0.1 + $metadata[self::METADATA_EXPIRY] - self::METADATA_EXPIRY_OFFSET), $metadata[self::METADATA_CTIME])."\x5F" => $item->value] : $item->value;
                }

return $byLifetime;
            },
            null,
            CacheItem::class
        );
    }

/**
     * Returns the best possible adapter that your runtime supports.
     *
     * Using ApcuAdapter makes system caches compatible with read-only filesystems.
     *
     * @param string $namespace
     * @param int    $defaultLifetime
     * @param string $version
     * @param string $directory
     *
     * @return AdapterInterface
     */
    public static function createSystemCache($namespace, $defaultLifetime, $version, $directory, LoggerInterface $logger = null)
    {
        $opcache = new PhpFilesAdapter($namespace, $defaultLifetime, $directory, true);
        if (null !== $logger) {
            $opcache->setLogger($logger);
        }

if (!self::$apcuSupported = self::$apcuSupported ?? ApcuAdapter::isSupported()) {
            return $opcache;
        }

if (\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) && !filter_var(ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOLEAN)) {
            return $opcache;
        }

$apcu = new ApcuAdapter($namespace, (int) $defaultLifetime / 5, $version);
        if (null !== $logger) {
            $apcu->setLogger($logger);
        }

return new ChainAdapter([$apcu, $opcache]);
    }

public static function createConnection($dsn, array $options = [])
    {
        if (!\is_string($dsn)) {
            throw new InvalidArgumentException(sprintf('The "%s()" method expect argument #1 to be string, "%s" given.', __METHOD__, \gettype($dsn)));
        }
        if (0 === strpos($dsn, 'redis:') || 0 === strpos($dsn, 'rediss:')) {
            return RedisAdapter::createConnection($dsn, $options);
        }
        if (0 === strpos($dsn, 'memcached:')) {
            return MemcachedAdapter::createConnection($dsn, $options);
        }

throw new InvalidArgumentException(sprintf('Unsupported DSN: "%s".', $dsn));
    }

/**
     * {@inheritdoc}
     *
     * @return bool
     */
    public function commit()
    {
        $ok = true;
        $byLifetime = $this->mergeByLifetime;
        $byLifetime = $byLifetime($this->deferred, $this->namespace, $expiredIds);
        $retry = $this->deferred = [];

if ($expiredIds) {
            $this->doDelete($expiredIds);
        }
        foreach ($byLifetime as $lifetime => $values) {
            try {
                $e = $this->doSave($values, $lifetime);
            } catch (\Exception $e) {
            }
            if (true === $e || [] === $e) {
                continue;
            }
            if (\is_array($e) || 1 === \count($values)) {
                foreach (\is_array($e) ? $e : array_keys($values) as $id) {
                    $ok = false;
                    $v = $values[$id];
                    $type = \is_object($v) ? \get_class($v) : \gettype($v);
                    $message = sprintf('Failed to save key "{key}" of type %s%s', $type, $e instanceof \Exception ? ': '.$e->getMessage() : '.');
                    CacheItem::log($this->logger, $message, ['key' => substr($id, \strlen($this->namespace)), 'exception' => $e instanceof \Exception ? $e : null]);
                }
            } else {
                foreach ($values as $id => $v) {
                    $retry[$lifetime][] = $id;
                }
            }
        }

// When bulk-save failed, retry each item individually
        foreach ($retry as $lifetime => $ids) {
            foreach ($ids as $id) {
                try {
                    $v = $byLifetime[$lifetime][$id];
                    $e = $this->doSave([$id => $v], $lifetime);
                } catch (\Exception $e) {
                }
                if (true === $e || [] === $e) {
                    continue;
                }
                $ok = false;
                $type = \is_object($v) ? \get_class($v) : \gettype($v);
                $message = sprintf('Failed to save key "{key}" of type %s%s', $type, $e instanceof \Exception ? ': '.$e->getMessage() : '.');
                CacheItem::log($this->logger, $message, ['key' => substr($id, \strlen($this->namespace)), 'exception' => $e instanceof \Exception ? $e : null]);
            }
        }

return $ok;
    }
}