diff --git a/behat/symfony2-extension/2.1/features/bootstrap/bootstrap.php b/behat/symfony2-extension/2.1/features/bootstrap/bootstrap.php
index 371e1b2cf..97871bbdb 100644
--- a/behat/symfony2-extension/2.1/features/bootstrap/bootstrap.php
+++ b/behat/symfony2-extension/2.1/features/bootstrap/bootstrap.php
@@ -1,3 +1,4 @@
 <?php
 
-App\Kernel::bootstrapEnv('test');
+putenv('APP_ENV='.$_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = 'test');
+require dirname(__DIR__, 2).'/src/.bootstrap.php';
diff --git a/behat/symfony2-extension/2.1/manifest.json b/behat/symfony2-extension/2.1/manifest.json
index 73d923207..6e70d2af4 100644
--- a/behat/symfony2-extension/2.1/manifest.json
+++ b/behat/symfony2-extension/2.1/manifest.json
@@ -1,7 +1,8 @@
 {
     "copy-from-recipe": {
         "behat.yml.dist": "behat.yml.dist",
-        "features/": "features/"
+        "features/": "features/",
+        "src/": "%SRC_DIR%/"
     },
     "aliases": ["behat"],
     "gitignore": ["behat.yml"]
diff --git a/behat/symfony2-extension/2.1/src/.bootstrap.php b/behat/symfony2-extension/2.1/src/.bootstrap.php
new file mode 120000
index 000000000..02c7cfb74
--- /dev/null
+++ b/behat/symfony2-extension/2.1/src/.bootstrap.php
@@ -0,0 +1 @@
+../../../../symfony/framework-bundle/3.3/src/.bootstrap.php
\ No newline at end of file
diff --git a/phpunit/phpunit/4.7/.env.test b/phpunit/phpunit/4.7/.env.test
index f0cf8392b..bae86b3e8 100644
--- a/phpunit/phpunit/4.7/.env.test
+++ b/phpunit/phpunit/4.7/.env.test
@@ -1,4 +1,5 @@
 # define your env variables for the test env here
-KERNEL_CLASS=App\\Kernel
+KERNEL_CLASS='App\Kernel'
 APP_SECRET='s$cretf0rt3st'
 SHELL_VERBOSITY=-1
+SYMFONY_DEPRECATIONS_HELPER=999999
diff --git a/phpunit/phpunit/4.7/manifest.json b/phpunit/phpunit/4.7/manifest.json
index e82151c97..2f8d73841 100644
--- a/phpunit/phpunit/4.7/manifest.json
+++ b/phpunit/phpunit/4.7/manifest.json
@@ -2,6 +2,7 @@
     "copy-from-recipe": {
         ".env.test": ".env.test",
         "phpunit.xml.dist": "phpunit.xml.dist",
+        "src/": "%SRC_DIR%/",
         "tests/": "tests/"
     },
     "gitignore": [
diff --git a/phpunit/phpunit/4.7/phpunit.xml.dist b/phpunit/phpunit/4.7/phpunit.xml.dist
index 65092d6d6..580b393b6 100644
--- a/phpunit/phpunit/4.7/phpunit.xml.dist
+++ b/phpunit/phpunit/4.7/phpunit.xml.dist
@@ -5,10 +5,11 @@
          xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/6.5/phpunit.xsd"
          backupGlobals="false"
          colors="true"
-         bootstrap="tests/bootstrap.php"
+         bootstrap="src/.bootstrap.php"
 >
     <php>
         <ini name="error_reporting" value="-1" />
+        <env name="APP_ENV" value="test" />
     </php>
 
     <testsuites>
diff --git a/phpunit/phpunit/4.7/src/.bootstrap.php b/phpunit/phpunit/4.7/src/.bootstrap.php
new file mode 120000
index 000000000..02c7cfb74
--- /dev/null
+++ b/phpunit/phpunit/4.7/src/.bootstrap.php
@@ -0,0 +1 @@
+../../../../symfony/framework-bundle/3.3/src/.bootstrap.php
\ No newline at end of file
diff --git a/phpunit/phpunit/4.7/tests/.gitignore b/phpunit/phpunit/4.7/tests/.gitignore
new file mode 100644
index 000000000..e69de29bb
diff --git a/phpunit/phpunit/4.7/tests/bootstrap.php b/phpunit/phpunit/4.7/tests/bootstrap.php
deleted file mode 100644
index fec999bd0..000000000
--- a/phpunit/phpunit/4.7/tests/bootstrap.php
+++ /dev/null
@@ -1,5 +0,0 @@
-<?php
-
-require dirname(__DIR__).'/vendor/autoload.php';
-
-App\Kernel::bootstrapEnv('test');
diff --git a/symfony/console/3.3/bin/console b/symfony/console/3.3/bin/console
index f63add060..0d0ea9fb1 100755
--- a/symfony/console/3.3/bin/console
+++ b/symfony/console/3.3/bin/console
@@ -3,6 +3,7 @@
 
 use App\Kernel;
 use Symfony\Bundle\FrameworkBundle\Console\Application;
+use Symfony\Component\Console\Input\ArgvInput;
 use Symfony\Component\Debug\Debug;
 
 set_time_limit(0);
@@ -10,11 +11,21 @@ set_time_limit(0);
 require dirname(__DIR__).'/vendor/autoload.php';
 
 if (!class_exists(Application::class)) {
-    throw new \RuntimeException('You need to add "symfony/framework-bundle" as a Composer dependency.');
+    throw new RuntimeException('You need to add "symfony/framework-bundle" as a Composer dependency.');
 }
 
-Kernel::bootstrapCli($_SERVER['argv']);
-Kernel::bootstrapEnv();
+$input = new ArgvInput();
+if (null !== $_ENV['APP_ENV'] = $input->getParameterOption(['--env', '-e'], null, true)) {
+    putenv('APP_ENV='.$_ENV['APP_ENV']);
+    // force loading .env files when --env is defined
+    $_SERVER['APP_ENV'] = null;
+}
+
+if ($input->hasParameterOption('--no-debug', true)) {
+    putenv('APP_DEBUG='.$_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = '0');
+}
+
+require dirname(__DIR__).'/src/.bootstrap.php';
 
 if ($_SERVER['APP_DEBUG']) {
     umask(0000);
@@ -26,4 +37,4 @@ if ($_SERVER['APP_DEBUG']) {
 
 $kernel = new Kernel($_SERVER['APP_ENV'], $_SERVER['APP_DEBUG']);
 $application = new Application($kernel);
-$application->run();
+$application->run($input);
diff --git a/symfony/console/3.3/manifest.json b/symfony/console/3.3/manifest.json
index b0e9e1d41..66f423396 100644
--- a/symfony/console/3.3/manifest.json
+++ b/symfony/console/3.3/manifest.json
@@ -1,6 +1,7 @@
 {
     "copy-from-recipe": {
-        "bin/": "%BIN_DIR%/"
+        "bin/": "%BIN_DIR%/",
+        "src/": "%SRC_DIR%/"
     },
     "aliases": ["cli"]
 }
diff --git a/symfony/console/3.3/src/.bootstrap.php b/symfony/console/3.3/src/.bootstrap.php
new file mode 120000
index 000000000..02c7cfb74
--- /dev/null
+++ b/symfony/console/3.3/src/.bootstrap.php
@@ -0,0 +1 @@
+../../../../symfony/framework-bundle/3.3/src/.bootstrap.php
\ No newline at end of file
diff --git a/symfony/flex/1.0/.env b/symfony/flex/1.0/.env
index 07ad02bb4..3e92b0d9b 100644
--- a/symfony/flex/1.0/.env
+++ b/symfony/flex/1.0/.env
@@ -1,4 +1,5 @@
 # This file defines all environment variables that the application needs.
+# DO NOT DEFINE PRODUCTION SECRETS IN THIS FILE.
 # Use ".env.local" for local overrides during development.
 # Use real environment variables when deploying to production.
 # https://symfony.com/doc/current/best_practices/configuration.html#infrastructure-related-configuration
diff --git a/symfony/framework-bundle/3.3/public/index.php b/symfony/framework-bundle/3.3/public/index.php
index c10bbd577..3f40a88b5 100644
--- a/symfony/framework-bundle/3.3/public/index.php
+++ b/symfony/framework-bundle/3.3/public/index.php
@@ -4,9 +4,7 @@
 use Symfony\Component\Debug\Debug;
 use Symfony\Component\HttpFoundation\Request;
 
-require dirname(__DIR__).'/vendor/autoload.php';
-
-Kernel::bootstrapEnv();
+require dirname(__DIR__).'/src/.bootstrap.php';
 
 if ($_SERVER['APP_DEBUG']) {
     umask(0000);
diff --git a/symfony/framework-bundle/3.3/src/.bootstrap.php b/symfony/framework-bundle/3.3/src/.bootstrap.php
new file mode 100644
index 000000000..8fc9ae973
--- /dev/null
+++ b/symfony/framework-bundle/3.3/src/.bootstrap.php
@@ -0,0 +1,51 @@
+<?php
+
+use Symfony\Component\Dotenv\Dotenv;
+
+require dirname(__DIR__).'/vendor/autoload.php';
+
+if (!array_key_exists('APP_ENV', $_SERVER)) {
+    $_SERVER['APP_ENV'] = $_ENV['APP_ENV'] ?? null;
+}
+
+if ('prod' !== $_SERVER['APP_ENV']) {
+    if (!class_exists(Dotenv::class)) {
+        throw new RuntimeException('The "APP_ENV" environment variable is not set to "prod". Please run "composer require symfony/dotenv" to load the ".env" files configuring the application.');
+    }
+
+    $path = dirname(__DIR__).'/.env';
+    $dotenv = new Dotenv();
+
+    if (method_exists($dotenv, 'loadEnv')) {
+        $dotenv->loadEnv($path);
+    } else {
+        // fallback code in case your Dotenv component is not 4.2 or higher (when loadEnv() was added)
+
+        if (file_exists($path) || !file_exists($p = "$path.dist")) {
+            $dotenv->load($path);
+        } else {
+            $dotenv->load($p);
+        }
+
+        if (null === $env = $_SERVER['APP_ENV'] ?? $_ENV['APP_ENV'] ?? null) {
+            $dotenv->populate(array('APP_ENV' => $env = 'dev'));
+        }
+
+        if ('test' !== $env && file_exists($p = "$path.local")) {
+            $dotenv->load($p);
+            $env = $_SERVER['APP_ENV'] ?? $_ENV['APP_ENV'] ?? $env;
+        }
+
+        if (file_exists($p = "$path.$env")) {
+            $dotenv->load($p);
+        }
+
+        if (file_exists($p = "$path.$env.local")) {
+            $dotenv->load($p);
+        }
+    }
+}
+
+$_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = $_SERVER['APP_ENV'] ?: $_ENV['APP_ENV'] ?: 'dev';
+$_SERVER['APP_DEBUG'] = $_SERVER['APP_DEBUG'] ?? $_ENV['APP_DEBUG'] ?? 'prod' !== $_SERVER['APP_ENV'];
+$_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = (int) $_SERVER['APP_DEBUG'] || filter_var($_SERVER['APP_DEBUG'], FILTER_VALIDATE_BOOLEAN) ? '1' : '0';
diff --git a/symfony/framework-bundle/3.3/src/Kernel.php b/symfony/framework-bundle/3.3/src/Kernel.php
index e552e52ef..edb95a089 100644
--- a/symfony/framework-bundle/3.3/src/Kernel.php
+++ b/symfony/framework-bundle/3.3/src/Kernel.php
@@ -6,7 +6,6 @@
 use Symfony\Component\Config\Loader\LoaderInterface;
 use Symfony\Component\Config\Resource\FileResource;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\Dotenv\Dotenv;
 use Symfony\Component\HttpKernel\Kernel as BaseKernel;
 use Symfony\Component\Routing\RouteCollectionBuilder;
 
@@ -30,7 +29,7 @@ public function registerBundles()
     {
         $contents = require $this->getProjectDir().'/config/bundles.php';
         foreach ($contents as $class => $envs) {
-            if (isset($envs['all']) || isset($envs[$this->environment])) {
+            if ($envs[$this->environment] ?? $envs['all'] ?? false) {
                 yield new $class();
             }
         }
@@ -59,82 +58,4 @@ protected function configureRoutes(RouteCollectionBuilder $routes)
         $routes->import($confDir.'/{routes}/'.$this->environment.'/**/*'.self::CONFIG_EXTS, '/', 'glob');
         $routes->import($confDir.'/{routes}'.self::CONFIG_EXTS, '/', 'glob');
     }
-
-    public static function bootstrapCli(array &$argv)
-    {
-        // consume --env and --no-debug from the command line
-
-        // when using symfony/console v4.2 or higher, this should
-        // be replaced by a call to Application::bootstrapEnv()
-
-        for ($i = 0; $i < \count($argv) && '--' !== $v = $argv[$i]; ++$i) {
-            if ('--no-debug' === $v) {
-                putenv('APP_DEBUG='.$_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = '0');
-                $argvUnset[$i] = true;
-                break;
-            }
-        }
-
-        for ($i = 0; $i < \count($argv) && '--' !== $v = $argv[$i]; ++$i) {
-            if (!$v || '-' !== $v[0] || !preg_match('/^-(?:-env(?:=|$)|e=?)(.*)$/D', $v, $v)) {
-                continue;
-            }
-            if (!empty($v[1]) || !empty($argv[1 + $i])) {
-                putenv('APP_ENV='.$_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = empty($v[1]) ? $argv[1 + $i] : $v[1]);
-                $argvUnset[$i] = $argvUnset[$i + empty($v[1])] = true;
-            }
-            break;
-        }
-
-        if (!empty($argvUnset)) {
-            $argv = array_values(array_diff_key($argv, $argvUnset));
-        }
-    }
-
-    public static function bootstrapEnv($env = null)
-    {
-        if (null !== $env) {
-            putenv('APP_ENV='.$_SERVER['APP_ENV'] = $env);
-        }
-
-        if ('prod' !== $_SERVER['APP_ENV'] = isset($_SERVER['APP_ENV']) ? $_SERVER['APP_ENV'] : (isset($_ENV['APP_ENV']) ? $_ENV['APP_ENV'] : null)) {
-            if (!class_exists(Dotenv::class)) {
-                throw new \RuntimeException('The "APP_ENV" environment variable is not defined. You need to set it or run "composer require symfony/dotenv" to load it from a ".env" file.');
-            }
-
-            // when using symfony/dotenv v4.2 or higher, this call and the related methods
-            // below should be replaced by a call to the new Dotenv::loadEnv() method
-            self::loadEnv(new Dotenv(), \dirname(__DIR__).'/.env');
-        }
-
-        $_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = isset($_SERVER['APP_ENV']) ? $_SERVER['APP_ENV'] : 'dev';
-        $_SERVER['APP_DEBUG'] = isset($_SERVER['APP_DEBUG']) ? $_SERVER['APP_DEBUG'] : (isset($_ENV['APP_DEBUG']) ? $_ENV['APP_DEBUG'] : 'prod' !== $_SERVER['APP_ENV']);
-        $_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = (int) $_SERVER['APP_DEBUG'] || filter_var($_SERVER['APP_DEBUG'], FILTER_VALIDATE_BOOLEAN) ? '1' : '0';
-    }
-
-    private static function loadEnv(Dotenv $dotenv, $path)
-    {
-        if (file_exists($path) || !file_exists($p = "$path.dist")) {
-            $dotenv->load($path);
-        } else {
-            $dotenv->load($p);
-        }
-
-        if (null === $env = isset($_SERVER['APP_ENV']) ? $_SERVER['APP_ENV'] : (isset($_ENV['APP_ENV']) ? $_ENV['APP_ENV'] : null)) {
-            $dotenv->populate(array('APP_ENV' => $env = 'dev'));
-        }
-
-        if ('test' !== $env && file_exists($p = "$path.local")) {
-            $dotenv->load($p);
-            $env = isset($_SERVER['APP_ENV']) ? $_SERVER['APP_ENV'] : (isset($_ENV['APP_ENV']) ? $_ENV['APP_ENV'] : $env);
-        }
-
-        if (file_exists($p = "$path.$env")) {
-            $dotenv->load($p);
-        }
-
-        if (file_exists($p = "$path.$env.local")) {
-            $dotenv->load($p);
-        }
-    }
 }
diff --git a/symfony/framework-bundle/4.2/public/index.php b/symfony/framework-bundle/4.2/public/index.php
index c10bbd577..3f40a88b5 100644
--- a/symfony/framework-bundle/4.2/public/index.php
+++ b/symfony/framework-bundle/4.2/public/index.php
@@ -4,9 +4,7 @@
 use Symfony\Component\Debug\Debug;
 use Symfony\Component\HttpFoundation\Request;
 
-require dirname(__DIR__).'/vendor/autoload.php';
-
-Kernel::bootstrapEnv();
+require dirname(__DIR__).'/src/.bootstrap.php';
 
 if ($_SERVER['APP_DEBUG']) {
     umask(0000);
diff --git a/symfony/framework-bundle/4.2/src/.bootstrap.php b/symfony/framework-bundle/4.2/src/.bootstrap.php
new file mode 100644
index 000000000..95c1cd41a
--- /dev/null
+++ b/symfony/framework-bundle/4.2/src/.bootstrap.php
@@ -0,0 +1,21 @@
+<?php
+
+use Symfony\Component\Dotenv\Dotenv;
+
+require dirname(__DIR__).'/vendor/autoload.php';
+
+if (!array_key_exists('APP_ENV', $_SERVER)) {
+    $_SERVER['APP_ENV'] = $_ENV['APP_ENV'] ?? null;
+}
+
+if ('prod' !== $_SERVER['APP_ENV']) {
+    if (!class_exists(Dotenv::class)) {
+        throw new RuntimeException('The "APP_ENV" environment variable is not set to "prod". Please run "composer require symfony/dotenv" to load the ".env" files configuring the application.');
+    }
+
+    (new Dotenv())->loadEnv(dirname(__DIR__).'/.env');
+}
+
+$_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = $_SERVER['APP_ENV'] ?: $_ENV['APP_ENV'] ?: 'dev';
+$_SERVER['APP_DEBUG'] = $_SERVER['APP_DEBUG'] ?? $_ENV['APP_DEBUG'] ?? 'prod' !== $_SERVER['APP_ENV'];
+$_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = (int) $_SERVER['APP_DEBUG'] || filter_var($_SERVER['APP_DEBUG'], FILTER_VALIDATE_BOOLEAN) ? '1' : '0';
diff --git a/symfony/framework-bundle/4.2/src/Kernel.php b/symfony/framework-bundle/4.2/src/Kernel.php
index 3a323b560..552eb0df2 100644
--- a/symfony/framework-bundle/4.2/src/Kernel.php
+++ b/symfony/framework-bundle/4.2/src/Kernel.php
@@ -2,12 +2,10 @@
 
 namespace App;
 
-use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
 use Symfony\Component\Config\Loader\LoaderInterface;
 use Symfony\Component\Config\Resource\FileResource;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\Dotenv\Dotenv;
 use Symfony\Component\HttpKernel\Kernel as BaseKernel;
 use Symfony\Component\Routing\RouteCollectionBuilder;
 
@@ -31,7 +29,7 @@ public function registerBundles()
     {
         $contents = require $this->getProjectDir().'/config/bundles.php';
         foreach ($contents as $class => $envs) {
-            if (($envs['all'] ?? false) && ($envs[$this->environment] ?? true) || ($envs[$this->environment] ?? false)) {
+            if ($envs[$this->environment] ?? $envs['all'] ?? false) {
                 yield new $class();
             }
         }
@@ -57,29 +55,4 @@ protected function configureRoutes(RouteCollectionBuilder $routes)
         $routes->import($confDir.'/{routes}/'.$this->environment.'/**/*'.self::CONFIG_EXTS, '/', 'glob');
         $routes->import($confDir.'/{routes}'.self::CONFIG_EXTS, '/', 'glob');
     }
-
-    public static function bootstrapCli(array &$argv)
-    {
-        // consume --env and --no-debug from the command line
-        Application::bootstrapEnv($argv);
-    }
-
-    public static function bootstrapEnv(string $env = null)
-    {
-        if (null !== $env) {
-            putenv('APP_ENV='.$_SERVER['APP_ENV'] = $env);
-        }
-
-        if ('prod' !== $_SERVER['APP_ENV'] = $_SERVER['APP_ENV'] ?? $_ENV['APP_ENV'] ?? null) {
-            if (!class_exists(Dotenv::class)) {
-                throw new \RuntimeException('The "APP_ENV" environment variable is not defined. You need to set it or run "composer require symfony/dotenv" to load it from a ".env" file.');
-            }
-
-            (new Dotenv())->loadEnv(\dirname(__DIR__).'/.env');
-        }
-
-        $_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = $_SERVER['APP_ENV'] ?? $_SERVER['APP_ENV'] ?? 'dev';
-        $_SERVER['APP_DEBUG'] = $_SERVER['APP_DEBUG'] ?? $_ENV['APP_DEBUG'] ?? 'prod' !== $_SERVER['APP_ENV'];
-        $_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = (int) $_SERVER['APP_DEBUG'] || filter_var($_SERVER['APP_DEBUG'], FILTER_VALIDATE_BOOLEAN) ? '1' : '0';
-    }
 }
diff --git a/symfony/phpunit-bridge/3.3/.env.test b/symfony/phpunit-bridge/3.3/.env.test
index 5ae9f7de6..bae86b3e8 100644
--- a/symfony/phpunit-bridge/3.3/.env.test
+++ b/symfony/phpunit-bridge/3.3/.env.test
@@ -1,6 +1,5 @@
 # define your env variables for the test env here
-KERNEL_CLASS=App\\Kernel
+KERNEL_CLASS='App\Kernel'
 APP_SECRET='s$cretf0rt3st'
 SHELL_VERBOSITY=-1
 SYMFONY_DEPRECATIONS_HELPER=999999
-SYMFONY_PHPUNIT_VERSION=6.5
diff --git a/symfony/phpunit-bridge/3.3/bin/phpunit b/symfony/phpunit-bridge/3.3/bin/phpunit
index e4f3c26f4..0b79fd4a5 100755
--- a/symfony/phpunit-bridge/3.3/bin/phpunit
+++ b/symfony/phpunit-bridge/3.3/bin/phpunit
@@ -6,10 +6,9 @@ if (!file_exists(dirname(__DIR__).'/vendor/symfony/phpunit-bridge/bin/simple-php
     exit(1);
 }
 
-$classLoader = require dirname(__DIR__).'/vendor/autoload.php';
-App\Kernel::bootstrapEnv('test');
-$classLoader->unregister();
-
+if (false === getenv('SYMFONY_PHPUNIT_VERSION')) {
+    putenv('SYMFONY_PHPUNIT_VERSION=6.5');
+}
 if (false === getenv('SYMFONY_PHPUNIT_REMOVE')) {
     putenv('SYMFONY_PHPUNIT_REMOVE=symfony/yaml');
 }
diff --git a/symfony/phpunit-bridge/3.3/manifest.json b/symfony/phpunit-bridge/3.3/manifest.json
index 6a0aab996..8a865563b 100644
--- a/symfony/phpunit-bridge/3.3/manifest.json
+++ b/symfony/phpunit-bridge/3.3/manifest.json
@@ -4,6 +4,7 @@
         "bin/": "%BIN_DIR%/",
         "config/": "%CONFIG_DIR%/",
         "phpunit.xml.dist": "phpunit.xml.dist",
+        "src/": "%SRC_DIR%/",
         "tests/": "tests/"
     },
     "gitignore": [
diff --git a/symfony/phpunit-bridge/3.3/phpunit.xml.dist b/symfony/phpunit-bridge/3.3/phpunit.xml.dist
index e283e8dba..ecd288daf 100644
--- a/symfony/phpunit-bridge/3.3/phpunit.xml.dist
+++ b/symfony/phpunit-bridge/3.3/phpunit.xml.dist
@@ -5,10 +5,11 @@
          xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/6.5/phpunit.xsd"
          backupGlobals="false"
          colors="true"
-         bootstrap="vendor/autoload.php"
+         bootstrap="src/.bootstrap.php"
 >
     <php>
         <ini name="error_reporting" value="-1" />
+        <env name="APP_ENV" value="test" />
     </php>
 
     <testsuites>
diff --git a/symfony/phpunit-bridge/3.3/src/.bootstrap.php b/symfony/phpunit-bridge/3.3/src/.bootstrap.php
new file mode 120000
index 000000000..02c7cfb74
--- /dev/null
+++ b/symfony/phpunit-bridge/3.3/src/.bootstrap.php
@@ -0,0 +1 @@
+../../../../symfony/framework-bundle/3.3/src/.bootstrap.php
\ No newline at end of file
diff --git a/symfony/phpunit-bridge/4.1/.env.test b/symfony/phpunit-bridge/4.1/.env.test
index 5ae9f7de6..bae86b3e8 100644
--- a/symfony/phpunit-bridge/4.1/.env.test
+++ b/symfony/phpunit-bridge/4.1/.env.test
@@ -1,6 +1,5 @@
 # define your env variables for the test env here
-KERNEL_CLASS=App\\Kernel
+KERNEL_CLASS='App\Kernel'
 APP_SECRET='s$cretf0rt3st'
 SHELL_VERBOSITY=-1
 SYMFONY_DEPRECATIONS_HELPER=999999
-SYMFONY_PHPUNIT_VERSION=6.5
diff --git a/symfony/phpunit-bridge/4.1/bin/phpunit b/symfony/phpunit-bridge/4.1/bin/phpunit
index f28f65f80..cd7e32e71 100755
--- a/symfony/phpunit-bridge/4.1/bin/phpunit
+++ b/symfony/phpunit-bridge/4.1/bin/phpunit
@@ -6,10 +6,9 @@ if (!file_exists(dirname(__DIR__).'/vendor/symfony/phpunit-bridge/bin/simple-php
     exit(1);
 }
 
-$classLoader = require dirname(__DIR__).'/vendor/autoload.php';
-App\Kernel::bootstrapEnv('test');
-$classLoader->unregister();
-
+if (false === getenv('SYMFONY_PHPUNIT_VERSION')) {
+    putenv('SYMFONY_PHPUNIT_VERSION=6.5');
+}
 if (false === getenv('SYMFONY_PHPUNIT_REMOVE')) {
     putenv('SYMFONY_PHPUNIT_REMOVE=');
 }
diff --git a/symfony/phpunit-bridge/4.1/manifest.json b/symfony/phpunit-bridge/4.1/manifest.json
index 01a2e0543..b28ff9ffc 100644
--- a/symfony/phpunit-bridge/4.1/manifest.json
+++ b/symfony/phpunit-bridge/4.1/manifest.json
@@ -3,6 +3,7 @@
         ".env.test": ".env.test",
         "bin/": "%BIN_DIR%/",
         "phpunit.xml.dist": "phpunit.xml.dist",
+        "src/": "%SRC_DIR%/",
         "tests/": "tests/"
     },
     "gitignore": [
diff --git a/symfony/phpunit-bridge/4.1/phpunit.xml.dist b/symfony/phpunit-bridge/4.1/phpunit.xml.dist
deleted file mode 100644
index e283e8dba..000000000
--- a/symfony/phpunit-bridge/4.1/phpunit.xml.dist
+++ /dev/null
@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!-- https://phpunit.de/manual/current/en/appendixes.configuration.html -->
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/6.5/phpunit.xsd"
-         backupGlobals="false"
-         colors="true"
-         bootstrap="vendor/autoload.php"
->
-    <php>
-        <ini name="error_reporting" value="-1" />
-    </php>
-
-    <testsuites>
-        <testsuite name="Project Test Suite">
-            <directory>tests</directory>
-        </testsuite>
-    </testsuites>
-
-    <filter>
-        <whitelist>
-            <directory>src</directory>
-        </whitelist>
-    </filter>
-
-    <listeners>
-        <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener" />
-    </listeners>
-</phpunit>
diff --git a/symfony/phpunit-bridge/4.1/phpunit.xml.dist b/symfony/phpunit-bridge/4.1/phpunit.xml.dist
new file mode 120000
index 000000000..29458d485
--- /dev/null
+++ b/symfony/phpunit-bridge/4.1/phpunit.xml.dist
@@ -0,0 +1 @@
+../3.3/phpunit.xml.dist
\ No newline at end of file
diff --git a/symfony/phpunit-bridge/4.1/src/.bootstrap.php b/symfony/phpunit-bridge/4.1/src/.bootstrap.php
new file mode 120000
index 000000000..02c7cfb74
--- /dev/null
+++ b/symfony/phpunit-bridge/4.1/src/.bootstrap.php
@@ -0,0 +1 @@
+../../../../symfony/framework-bundle/3.3/src/.bootstrap.php
\ No newline at end of file