[HttpFoundation] added ArraySessionStorage for usage in tests

src/Symfony/Component/HttpFoundation/SessionStorage/ArraySessionStorage.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Symfony\Component\HttpFoundation\SessionStorage;
+
+/*
+ * This file is part of the Symfony framework.
+ *
+ * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+/**
+ * ArraySessionStorage.
+ *
+ * @author Fabien Potencier <fabien.potencier@symfony-project.com>
+ * @author Bulat Shakirzyanov <mallluhuct@gmail.com>
+ */
+
+class ArraySessionStorage implements SessionStorageInterface
+{
+    private $data = array();
+
+    public function read($key, $default = null)
+    {
+        return array_key_exists($key, $this->data) ? $this->data[$key] : $default;
+    }
+
+    public function regenerate($destroy = false)
+    {
+        if ($destroy) {
+            $this->data = array();
+        }
+        return true;
+    }
+
+    public function remove($key)
+    {
+        unset($this->data[$key]);
+    }
+
+    public function start()
+    {
+    }
+
+    public function write($key, $data)
+    {
+        $this->data[$key] = $data;
+    }
+}