Normalizing recursively - see #9096

Author: weaverryan

Logger/DbalLogger.php

@@ -82,6 +82,12 @@ protected function log($message, array $params)
     private function normalizeParams(array $params)
     {
         foreach ($params as $index => $param) {
+            // normalize recursively
+            if (is_array($param)) {
+                $params[$index] = $this->normalizeParams($param);
+                continue;
+            }
+
             if (!is_string($params[$index])) {
                 continue;
             }