[patch-1] Use BC layer for deprecation in symfony/config

see symfony/maker-bundle#324 and doctrine/DoctrineBundle#853
Doqnach · Dec 17, 2019 · 1e2428d · 1e2428d
1 parent 9e10d15
commit 1e2428d
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
@@ -15,7 +15,13 @@ class Configuration implements ConfigurationInterface
     public function getConfigTreeBuilder()
     {
         $treeBuilder = new TreeBuilder('qp_woohoolabs_yin');
-        $rootNode = $treeBuilder->getRootNode();
+
+        if (\method_exists($treeBuilder, 'getRootNode')) {
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            // BC layer for symfony/config 4.1 and older
+            $rootNode = $treeBuilder->root('qp_woohoolabs_yin');
+        }
 
         $rootNode
             ->children()