diff --git a/src/Symfony/Component/VarDumper/Resources/functions/dump.php b/src/Symfony/Component/VarDumper/Resources/functions/dump.php
index 58cbfc017db3..1ea3dc8434dd 100644
--- a/src/Symfony/Component/VarDumper/Resources/functions/dump.php
+++ b/src/Symfony/Component/VarDumper/Resources/functions/dump.php
@@ -30,3 +30,16 @@ function dump($var, ...$moreVars)
         return $var;
     }
 }
+
+if (!function_exists('dd')) {
+    function dd($var, ...$moreVars)
+    {
+        VarDumper::dump($var);
+
+        foreach ($moreVars as $var) {
+            VarDumper::dump($var);
+        }
+
+        exit(1);
+    }
+}