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

@@ -0,0 +1,104 @@
+<?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\SimpleCache\CacheInterface as Psr16CacheInterface;
+use Symfony\Component\Cache\Adapter\NullAdapter;
+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.', NullCache::class, NullAdapter::class, CacheInterface::class), \E_USER_DEPRECATED);
+
+/**
+ * @deprecated since Symfony 4.3, use NullAdapter and type-hint for CacheInterface instead.
+ */
+class NullCache implements Psr16CacheInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function get($key, $default = null)
+    {
+        return $default;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return iterable
+     */
+    public function getMultiple($keys, $default = null)
+    {
+        foreach ($keys as $key) {
+            yield $key => $default;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function has($key)
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function clear()
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function delete($key)
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function deleteMultiple($keys)
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function set($key, $value, $ttl = null)
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return bool
+     */
+    public function setMultiple($values, $ttl = null)
+    {
+        return false;
+    }
+}