Fix Symfony 4.3 deprecation (isometriks#18)

It's done the same way as here: * symfony/maker-bundle@560d03cf68e3e9f1b9c * doctrine/DoctrineBundle@e711bed5a82437262a Fixes isometriks#16
junowilderness · Nov 19, 2019 · 9bc86cc · 9bc86cc
1 parent 8a52923
commit 9bc86cc
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
@@ -18,7 +18,12 @@ class Configuration implements ConfigurationInterface
     public function getConfigTreeBuilder()
     {
         $treeBuilder = new TreeBuilder('isometriks_spam');
-        $rootNode = $treeBuilder->root('isometriks_spam');
+        if (\method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            // BC layer for symfony/config 4.1 and older
+            $rootNode = $treeBuilder->root('isometriks_spam');
+        }
 
         $rootNode
             ->children()