Fix deprecation for symfony/config 4.2

sampart · Nov 30, 2018 · 32bf4fd · 32bf4fd
1 parent e6dcab5
commit 32bf4fd
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
@@ -14,8 +14,14 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root("white_october_breadcrumbs");
+        $treeBuilder = new TreeBuilder("white_october_breadcrumbs");
+
+        if (method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            // BC layer for symfony/config 4.1 and older
+            $rootNode = $treeBuilder->root("white_october_breadcrumbs");
+        }
 
         $rootNode->
             children()->