symfony
diff --git a/‎WebServer.php
Copy file name to clipboardExpand all lines: WebServer.php
+5-1Lines changed: 5 additions & 1 deletion b/‎WebServer.php
Copy file name to clipboardExpand all lines: WebServer.php
+5-1Lines changed: 5 additions & 1 deletion
@@ -167,7 +167,11 @@ private function createServerProcess(WebServerConfig $config)
 
         if (\in_array('APP_ENV', explode(',', getenv('SYMFONY_DOTENV_VARS')))) {
             $process->setEnv(['APP_ENV' => false]);
-            $process->inheritEnvironmentVariables();
+
+            if (!method_exists(Process::class, 'fromShellCommandline')) {
+                // Symfony 3.4 does not inherit env vars by default:
+                $process->inheritEnvironmentVariables();
+            }
         }
 
         return $process;