maj grav

system/src/Grav/Common/Browser.php

@@ -1,8 +1,9 @@
 <?php
+
 /**
- * @package    Grav.Common
+ * @package    Grav\Common
  *
- * @copyright  Copyright (C) 2015 - 2018 Trilby Media, LLC. All rights reserved.
+ * @copyright  Copyright (C) 2015 - 2019 Trilby Media, LLC. All rights reserved.
  * @license    MIT License; see LICENSE file for details.
  */
 
@@ -113,7 +114,7 @@ class Browser
     {
         $version = explode('.', $this->getLongVersion());
 
-        return intval($version[0]);
+        return (int)$version[0];
     }
 
     /**
@@ -134,4 +135,15 @@ class Browser
 
         return true;
     }
+    
+    /**
+     * Determine if “Do Not Track” is set by browser
+     * @see https://www.w3.org/TR/tracking-dnt/
+     *
+     * @return bool
+     */
+    public function isTrackable(): bool
+    {
+        return !(isset($_SERVER['HTTP_DNT']) && $_SERVER['HTTP_DNT'] === '1');
+    }
 }