Fixes Symfony 4.2 deprecation messages (backwards compatible) (#887)

stwe · May 10, 2019 · 5cca7f7 · 5cca7f7
1 parent 9452f8a
commit 5cca7f7
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
@@ -27,8 +27,13 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root('sg_datatables');
+        $treeBuilder = new TreeBuilder('sg_datatables');
+        if (method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            // BC layer for symfony/config 4.1 and older
+            $rootNode = $treeBuilder->root('sg_datatables');
+        }
 
         $this->addDatatableSection($rootNode);