update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/API/Renderer/Php.php

@@ -0,0 +1,82 @@
+<?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\Plugins\API\Renderer;
+
+use Piwik\API\ApiRenderer;
+use Piwik\Common;
+use Piwik\DataTable\Renderer;
+use Piwik\DataTable;
+use Piwik\Piwik;
+
+class Php extends ApiRenderer
+{
+    public function renderSuccess($message)
+    {
+        $success = array('result' => 'success', 'message' => $message);
+
+        return $this->serializeIfNeeded($success);
+    }
+
+    public function renderException($message, \Exception $exception)
+    {
+        $message = array('result' => 'error', 'message' => $message);
+
+        return $this->serializeIfNeeded($message);
+    }
+
+    public function renderDataTable($dataTable)
+    {
+        /** @var \Piwik\DataTable\Renderer\Php $tableRenderer */
+        $tableRenderer = $this->buildDataTableRenderer($dataTable);
+
+        $tableRenderer->setSerialize($this->shouldSerialize(1));
+        $tableRenderer->setPrettyDisplay(Common::getRequestVar('prettyDisplay', false, 'int', $this->request));
+
+        return $tableRenderer->render();
+    }
+
+    public function renderArray($array)
+    {
+        if (!Piwik::isMultiDimensionalArray($array)) {
+            return $this->renderDataTable($array);
+        }
+
+        if ($this->shouldSerialize(1)) {
+            return serialize($array);
+        }
+
+        return $array;
+    }
+
+    public function sendHeader()
+    {
+        Common::sendHeader('Content-Type: text/plain; charset=utf-8');
+    }
+
+    /**
+     * Returns true if the user requested to serialize the output data (&serialize=1 in the request)
+     *
+     * @param mixed $defaultSerializeValue Default value in case the user hasn't specified a value
+     * @return bool
+     */
+    private function shouldSerialize($defaultSerializeValue)
+    {
+        $serialize = Common::getRequestVar('serialize', $defaultSerializeValue, 'int', $this->request);
+
+        return !empty($serialize);
+    }
+
+    private function serializeIfNeeded($response)
+    {
+        if ($this->shouldSerialize(1)) {
+            return serialize($response);
+        }
+        return $response;
+    }
+}