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admin/phpMyAdmin/vendor/symfony/cache/Simple/AbstractCache.php

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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])) {
+                    throw new InvalidArgumentException(sprintf('Could not match value id "%s" to keys "%s".', $id, implode('", "', $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;
+        }
+    }
+}