From 07e73d8afce343df7194222f5b48e8a727665357 Mon Sep 17 00:00:00 2001
From: Marcel Marnitz <marcelmarnitz@googlemail.com>
Date: Sun, 5 Jan 2020 15:58:28 +0100
Subject: [PATCH] Add Symfony 5 and drop Symfony 2.8

---
 composer.json                                    | 16 ++++++++--------
 .../DependencyInjection/Configuration.php        | 10 ++++++++--
 2 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/composer.json b/composer.json
index fcdde70..8f0817d 100644
--- a/composer.json
+++ b/composer.json
@@ -19,17 +19,17 @@
         }
     },
     "require": {
-        "php": ">=5.5.1",
-        "symfony/framework-bundle": "~2.7|~3.0|~4.0",
-        "symfony/dependency-injection": "~2.7|~3.0|~4.0",
-        "symfony/yaml": "~2.7|~3.0|~4.0",
+        "php": "^7.0",
+        "symfony/framework-bundle": "~3.0|~4.0|~5.0",
+        "symfony/dependency-injection": "~3.0|~4.0|~5.0",
+        "symfony/yaml": "~3.0|~4.0|~5.0",
         "lightsaml/lightsaml": "~1.1"
     },
     "require-dev": {
-        "symfony/browser-kit": "~2.7|~3.0|~4.0",
-        "symfony/finder": "~2.7|~3.0|~4.0",
-        "symfony/filesystem": "~2.7|~3.0|~4.0",
-        "symfony/routing": "~2.7|~3.0|~4.0",
+        "symfony/browser-kit": "~3.0|~4.0|~5.0",
+        "symfony/finder": "~3.0|~4.0|~5.0",
+        "symfony/filesystem": "~3.0|~4.0|~5.0",
+        "symfony/routing": "~3.0|~4.0|~5.0",
         "phpunit/phpunit": "^5.7"
     },
     "config": {
diff --git a/src/LightSaml/SymfonyBridgeBundle/DependencyInjection/Configuration.php b/src/LightSaml/SymfonyBridgeBundle/DependencyInjection/Configuration.php
index a4cc7d6..171f38a 100644
--- a/src/LightSaml/SymfonyBridgeBundle/DependencyInjection/Configuration.php
+++ b/src/LightSaml/SymfonyBridgeBundle/DependencyInjection/Configuration.php
@@ -23,8 +23,14 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $root = $treeBuilder->root('light_saml_symfony_bridge');
+        $treeBuilder = new TreeBuilder('light_saml_symfony_bridge');
+
+        if (method_exists($treeBuilder, 'getRootNode')) {
+            $root = $treeBuilder->getRootNode();
+        } else {
+            // BC layer for symfony/config 4.1 and older
+            $root = $treeBuilder->root('light_saml_symfony_bridge');
+        }
 
         $root->children()
             ->arrayNode('own')