From c5f5f5f2131e0f876cab6fb82fd8fc44d70903a2 Mon Sep 17 00:00:00 2001
From: Steve Winter <steve@msdev.co.uk>
Date: Sun, 26 Apr 2020 17:14:44 +0100
Subject: [PATCH] Adding SF 5 support

---
 DependencyInjection/Configuration.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index a71c5f7a..a0e7703e 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -20,8 +20,13 @@ class Configuration implements ConfigurationInterface {
     public function getConfigTreeBuilder() {
 
         //Create tree builder
-        $treeBuilder = new TreeBuilder();
-        $rootNode = $treeBuilder->root('ambta_doctrine_encrypt');
+        if (method_exists(TreeBuilder::class, 'getRootNode')) {
+            $treeBuilder = new TreeBuilder('ambta_doctrine_encrypt');
+            $rootNode = $treeBuilder->getRootNode();
+        } else {
+            $treeBuilder = new TreeBuilder();
+            $rootNode = $treeBuilder->root('ambta_doctrine_encrypt');
+        }
 
         // Grammar of config tree
         $rootNode