update Piwik to version 2.16 (fixes #91)

www/analytics/core/Archiver/Request.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Archiver;
+
+class Request
+{
+    /**
+     * @var string
+     */
+    private $url;
+
+    /**
+     * @var callable|null
+     */
+    private $before;
+
+    /**
+     * @param string $url
+     */
+    public function __construct($url)
+    {
+        $this->url = $url;
+    }
+
+    public function before($callable)
+    {
+        $this->before = $callable;
+    }
+
+    public function start()
+    {
+        if ($this->before) {
+            $callable = $this->before;
+            $callable();
+        }
+    }
+
+    public function __toString()
+    {
+        return $this->url;
+    }
+}