Fixes Symfony 4.2 deprecation warning about TreeBuilder::_construct()…

… calling without a parameter
scheb · Dec 2, 2018 · 410d2b7 · 410d2b7
1 parent 0e70714
commit 410d2b7
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
@@ -9,8 +9,14 @@ class Configuration implements ConfigurationInterface
 {
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root('scheb_two_factor');
+        $treeBuilder = new TreeBuilder('scheb_two_factor');
+
+        if (method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            // BC layer for symfony/config 4.1 and older
+            $rootNode = $treeBuilder->root('scheb_two_factor');
+        }
 
         $rootNode
             ->children()