Fix root node deprecation in symfony-config (#42)

theofidry · Dec 29, 2018 · 8e9a0c3 · 8e9a0c3
1 parent 23af358
commit 8e9a0c3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
@@ -21,8 +21,8 @@ final class Configuration implements ConfigurationInterface
 {
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root('psysh');
+        $treeBuilder = new TreeBuilder('psysh');
+        $rootNode = \method_exists($treeBuilder, 'getRootNode') ? $treeBuilder->getRootNode() : $treeBuilder->root('psysh');
 
         $rootNode
             ->children()