Add Config class implementing ArrayAccess

Author: glensc

src/Config.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Xhgui\Profiler;
+
+use ArrayAccess;
+
+class Config implements ArrayAccess
+{
+    /** @var array */
+    private $config;
+
+    public function __construct(array $config = array())
+    {
+        $this->config = $config;
+    }
+
+    public function offsetExists($offset)
+    {
+        return isset($this->config[$offset]);
+    }
+
+    public function offsetGet($offset)
+    {
+        return $this->config[$offset];
+    }
+
+    public function offsetSet($offset, $value)
+    {
+        $this->config[$offset] = $value;
+    }
+
+    public function offsetUnset($offset)
+    {
+        unset($this->config[$offset]);
+    }
+}