From 97d813d9caa530618662d06fc6588847c46ece4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1chym=20Tou=C5=A1ek?= <enumag@gmail.com>
Date: Tue, 5 Oct 2021 15:46:23 +0200
Subject: [PATCH 1/2] Create Kernel.stubphp

---
 src/Stubs/common/Component/HttpKernel/Kernel.stubphp | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/Stubs/common/Component/HttpKernel/Kernel.stubphp

diff --git a/src/Stubs/common/Component/HttpKernel/Kernel.stubphp b/src/Stubs/common/Component/HttpKernel/Kernel.stubphp
new file mode 100644
index 00000000..445bac7c
--- /dev/null
+++ b/src/Stubs/common/Component/HttpKernel/Kernel.stubphp
@@ -0,0 +1,11 @@
+<?php
+
+namespace Symfony\Component\HttpKernel;
+
+class Kernel
+{
+    /**
+     * @var string
+     */
+    protected $environment;
+}

From 91fe4ec1efa07725be355f800d433d2cde3fc6e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1chym=20Tou=C5=A1ek?= <enumag@gmail.com>
Date: Fri, 8 Oct 2021 07:44:18 +0200
Subject: [PATCH 2/2] Create Kernel.feature

---
 tests/acceptance/acceptance/Kernel.feature | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tests/acceptance/acceptance/Kernel.feature

diff --git a/tests/acceptance/acceptance/Kernel.feature b/tests/acceptance/acceptance/Kernel.feature
new file mode 100644
index 00000000..1593b7b0
--- /dev/null
+++ b/tests/acceptance/acceptance/Kernel.feature
@@ -0,0 +1,27 @@
+@symfony-5
+Feature: Kernel
+
+  Background:
+    Given I have Symfony plugin enabled
+
+  Scenario: MixedOperand error about $environment is not raised
+    Given I have the following code
+      """
+      <?php
+
+      use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
+      use Symfony\Component\HttpKernel\Kernel as BaseKernel;
+      use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+
+      abstract class Kernel extends BaseKernel
+      {
+          use MicroKernelTrait;
+
+          protected function configureContainer(ContainerConfigurator $container): void
+          {
+              $container->import('../config/{packages}/' . $this->environment . '/*.yaml');
+          }
+      }
+      """
+    When I run Psalm
+    Then I see no errors