phpmyadmin working

1 files changed, 295 insertions, 0 deletions

diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractTrait.php
new file mode 100644
index 0000000..f9a1d8f
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+++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractTrait.php
@@ -0,0 +1,295 @@
+<?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 AbstractTrait
+{
+    use LoggerAwareTrait;
+
+    private $namespace;
+    private $namespaceVersion = '';
+    private $versioningIsEnabled = false;
+    private $deferred = [];
+    private $ids = [];
+
+    /**
+     * @var int|null The maximum length to enforce for identifiers or null when no limit applies
+     */
+    protected $maxIdLength;
+
+    /**
+     * Fetches several cache items.
+     *
+     * @param array $ids The cache identifiers to fetch
+     *
+     * @return array|\Traversable The corresponding values found in the cache
+     */
+    abstract protected function doFetch(array $ids);
+
+    /**
+     * Confirms if the cache contains specified cache item.
+     *
+     * @param string $id The identifier for which to check existence
+     *
+     * @return bool True if item exists in the cache, false otherwise
+     */
+    abstract protected function doHave($id);
+
+    /**
+     * Deletes all items in the pool.
+     *
+     * @param string $namespace The prefix used for all identifiers managed by this pool
+     *
+     * @return bool True if the pool was successfully cleared, false otherwise
+     */
+    abstract protected function doClear($namespace);
+
+    /**
+     * Removes multiple items from the pool.
+     *
+     * @param array $ids An array of identifiers that should be removed from the pool
+     *
+     * @return bool True if the items were successfully removed, false otherwise
+     */
+    abstract protected function doDelete(array $ids);
+
+    /**
+     * Persists several cache items immediately.
+     *
+     * @param array $values   The values to cache, indexed by their cache identifier
+     * @param int   $lifetime The lifetime of the cached values, 0 for persisting until manual cleaning
+     *
+     * @return array|bool The identifiers that failed to be cached or a boolean stating if caching succeeded or not
+     */
+    abstract protected function doSave(array $values, $lifetime);
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function hasItem($key)
+    {
+        $id = $this->getId($key);
+
+        if (isset($this->deferred[$key])) {
+            $this->commit();
+        }
+
+        try {
+            return $this->doHave($id);
+        } catch (\Exception $e) {
+            CacheItem::log($this->logger, 'Failed to check if key "{key}" is cached: '.$e->getMessage(), ['key' => $key, 'exception' => $e]);
+
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @param string $prefix
+     *
+     * @return bool
+     */
+    public function clear(/*string $prefix = ''*/)
+    {
+        $prefix = 0 < \func_num_args() ? (string) func_get_arg(0) : '';
+        $this->deferred = [];
+        if ($cleared = $this->versioningIsEnabled) {
+            $namespaceVersion = substr_replace(base64_encode(pack('V', mt_rand())), static::NS_SEPARATOR, 5);
+            try {
+                $cleared = $this->doSave([static::NS_SEPARATOR.$this->namespace => $namespaceVersion], 0);
+            } catch (\Exception $e) {
+                $cleared = false;
+            }
+            if ($cleared = true === $cleared || [] === $cleared) {
+                $this->namespaceVersion = $namespaceVersion;
+                $this->ids = [];
+            }
+        }
+
+        try {
+            return $this->doClear($this->namespace.$prefix) || $cleared;
+        } catch (\Exception $e) {
+            CacheItem::log($this->logger, 'Failed to clear the cache: '.$e->getMessage(), ['exception' => $e]);
+
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function deleteItem($key)
+    {
+        return $this->deleteItems([$key]);
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function deleteItems(array $keys)
+    {
+        $ids = [];
+
+        foreach ($keys as $key) {
+            $ids[$key] = $this->getId($key);
+            unset($this->deferred[$key]);
+        }
+
+        try {
+            if ($this->doDelete($ids)) {
+                return true;
+            }
+        } catch (\Exception $e) {
+        }
+
+        $ok = true;
+
+        // When bulk-delete failed, retry each item individually
+        foreach ($ids as $key => $id) {
+            try {
+                $e = null;
+                if ($this->doDelete([$id])) {
+                    continue;
+                }
+            } catch (\Exception $e) {
+            }
+            $message = 'Failed to delete key "{key}"'.($e instanceof \Exception ? ': '.$e->getMessage() : '.');
+            CacheItem::log($this->logger, $message, ['key' => $key, 'exception' => $e]);
+            $ok = false;
+        }
+
+        return $ok;
+    }
+
+    /**
+     * Enables/disables versioning of items.
+     *
+     * When versioning is enabled, clearing the cache is atomic and doesn't require listing existing keys to proceed,
+     * but old keys may need garbage collection and extra round-trips to the back-end are required.
+     *
+     * Calling this method also clears the memoized namespace version and thus forces a resynchonization of it.
+     *
+     * @param bool $enable
+     *
+     * @return bool the previous state of versioning
+     */
+    public function enableVersioning($enable = true)
+    {
+        $wasEnabled = $this->versioningIsEnabled;
+        $this->versioningIsEnabled = (bool) $enable;
+        $this->namespaceVersion = '';
+        $this->ids = [];
+
+        return $wasEnabled;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function reset()
+    {
+        if ($this->deferred) {
+            $this->commit();
+        }
+        $this->namespaceVersion = '';
+        $this->ids = [];
+    }
+
+    /**
+     * Like the native unserialize() function but throws an exception if anything goes wrong.
+     *
+     * @param string $value
+     *
+     * @return mixed
+     *
+     * @throws \Exception
+     *
+     * @deprecated since Symfony 4.2, use DefaultMarshaller instead.
+     */
+    protected static function unserialize($value)
+    {
+        @trigger_error(sprintf('The "%s::unserialize()" method is deprecated since Symfony 4.2, use DefaultMarshaller instead.', __CLASS__), E_USER_DEPRECATED);
+
+        if ('b:0;' === $value) {
+            return false;
+        }
+        $unserializeCallbackHandler = ini_set('unserialize_callback_func', __CLASS__.'::handleUnserializeCallback');
+        try {
+            if (false !== $value = unserialize($value)) {
+                return $value;
+            }
+            throw new \DomainException('Failed to unserialize cached value');
+        } catch (\Error $e) {
+            throw new \ErrorException($e->getMessage(), $e->getCode(), E_ERROR, $e->getFile(), $e->getLine());
+        } finally {
+            ini_set('unserialize_callback_func', $unserializeCallbackHandler);
+        }
+    }
+
+    private function getId($key): string
+    {
+        if ($this->versioningIsEnabled && '' === $this->namespaceVersion) {
+            $this->ids = [];
+            $this->namespaceVersion = '1'.static::NS_SEPARATOR;
+            try {
+                foreach ($this->doFetch([static::NS_SEPARATOR.$this->namespace]) as $v) {
+                    $this->namespaceVersion = $v;
+                }
+                if ('1'.static::NS_SEPARATOR === $this->namespaceVersion) {
+                    $this->namespaceVersion = substr_replace(base64_encode(pack('V', time())), static::NS_SEPARATOR, 5);
+                    $this->doSave([static::NS_SEPARATOR.$this->namespace => $this->namespaceVersion], 0);
+                }
+            } catch (\Exception $e) {
+            }
+        }
+
+        if (\is_string($key) && isset($this->ids[$key])) {
+            return $this->namespace.$this->namespaceVersion.$this->ids[$key];
+        }
+        CacheItem::validateKey($key);
+        $this->ids[$key] = $key;
+
+        if (null === $this->maxIdLength) {
+            return $this->namespace.$this->namespaceVersion.$key;
+        }
+        if (\strlen($id = $this->namespace.$this->namespaceVersion.$key) > $this->maxIdLength) {
+            // Use MD5 to favor speed over security, which is not an issue here
+            $this->ids[$key] = $id = substr_replace(base64_encode(hash('md5', $key, true)), static::NS_SEPARATOR, -(\strlen($this->namespaceVersion) + 2));
+            $id = $this->namespace.$this->namespaceVersion.$id;
+        }
+
+        return $id;
+    }
+
+    /**
+     * @internal
+     */
+    public static function handleUnserializeCallback($class)
+    {
+        throw new \DomainException('Class not found: '.$class);
+    }
+}