update Piwik to version 2.16 (fixes #91)

www/analytics/core/Composer/ScriptHandler.php

@@ -0,0 +1,47 @@
+<?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\Composer;
+
+/**
+ * Scripts executed before/after Composer install and update.
+ *
+ * We use this PHP class because setting the bash scripts directly in composer.json breaks
+ * Composer on Windows systems.
+ */
+class ScriptHandler
+{
+    private static function isPhp7orLater()
+    {
+        return version_compare('7.0.0-dev', PHP_VERSION) < 1;
+    }
+
+    public static function cleanXhprof()
+    {
+        if (! is_dir('vendor/facebook/xhprof/extension')) {
+            return;
+        }
+
+        if (!self::isPhp7orLater()) {
+            // doesn't work with PHP 7 at the moment
+            passthru('misc/composer/clean-xhprof.sh');
+        }
+    }
+
+    public static function buildXhprof()
+    {
+        if (! is_dir('vendor/facebook/xhprof/extension')) {
+            return;
+        }
+
+
+        if (!self::isPhp7orLater()) {
+            passthru('misc/composer/clean-xhprof.sh');
+        }
+    }
+}