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authorCharles <sircharlesaze@gmail.com>2020-01-09 10:55:03 +0100
committerCharles <sircharlesaze@gmail.com>2020-01-09 13:09:38 +0100
commit04d6d5ca99ebfd1cebb8ce06618fb3811fc1a8aa (patch)
tree5c691241355c943a3c68ddb06b8cf8c60aa11319 /srcs/phpmyadmin/vendor/symfony/cache/Adapter/AbstractAdapter.php
parent7e0d85db834d6351ed85d01e5126ac31dc510b86 (diff)
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phpmyadmin working
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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\Adapter;
+
+use Psr\Log\LoggerAwareInterface;
+use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
+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, $isHit) use ($defaultLifetime) {
+ $item = new CacheItem();
+ $item->key = $key;
+ $item->value = $v = $value;
+ $item->isHit = $isHit;
+ $item->defaultLifetime = $defaultLifetime;
+ // Detect wrapped values that encode for their expiry and creation duration
+ // For compactness, these values are packed in the key of an array using
+ // magic numbers in the form 9D-..-..-..-..-00-..-..-..-5F
+ if (\is_array($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) {
+ $byLifetime = [];
+ $now = microtime(true);
+ $expiredIds = [];
+
+ foreach ($deferred as $key => $item) {
+ $key = (string) $key;
+ if (null === $item->expiry) {
+ $ttl = 0 < $item->defaultLifetime ? $item->defaultLifetime : 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;
+ }
+
+ $apcu = new ApcuAdapter($namespace, (int) $defaultLifetime / 5, $version);
+ if ('cli' === \PHP_SAPI && !filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN)) {
+ $apcu->setLogger(new NullLogger());
+ } elseif (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;
+ }
+}