From 189987ab596da3e97b51e40f3c2e1f7493fd5d02 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Fri, 5 Nov 2021 15:24:28 +0100
Subject: [PATCH] [Runtime] fix defining APP_DEBUG when Dotenv is not enabled

---
 src/Symfony/Component/Runtime/SymfonyRuntime.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Runtime/SymfonyRuntime.php b/src/Symfony/Component/Runtime/SymfonyRuntime.php
index 9df2f5ca4b7b3..f75b917e517cd 100644
--- a/src/Symfony/Component/Runtime/SymfonyRuntime.php
+++ b/src/Symfony/Component/Runtime/SymfonyRuntime.php
@@ -103,7 +103,8 @@ public function __construct(array $options = [])
             $options['debug'] ?? $options['debug'] = '1' === $_SERVER['APP_DEBUG'];
             $options['disable_dotenv'] = true;
         } else {
-            $_SERVER['APP_ENV'] ?? $_SERVER['APP_ENV'] = 'dev';
+            $_SERVER['APP_ENV'] ?? $_SERVER['APP_ENV'] = $_ENV['APP_ENV'] ?? 'dev';
+            $_SERVER['APP_DEBUG'] ?? $_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] ?? !\in_array($_SERVER['APP_ENV'], (array) ($options['prod_envs'] ?? ['prod']), true);
         }
 
         $options['error_handler'] ?? $options['error_handler'] = SymfonyErrorHandler::class;