diff --git a/symfony/framework-bundle/4.4/public/index.php b/symfony/framework-bundle/4.4/public/index.php
index f094a9b19..f3cb42500 100644
--- a/symfony/framework-bundle/4.4/public/index.php
+++ b/symfony/framework-bundle/4.4/public/index.php
@@ -1,9 +1,25 @@
 <?php
 
 use App\Kernel;
+use Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache;
 use Symfony\Component\ErrorHandler\Debug;
 use Symfony\Component\HttpFoundation\Request;
 
+if ($_SERVER['SYMFONY_ALLOW_OVERRIDE'] ?? $_ENV['SYMFONY_ALLOW_OVERRIDE'] ?? false) {
+    if (isset($_COOKIE['APP_ENV'])) {
+        $_ENV['APP_ENV'] = $_SERVER['APP_ENV'] = $_COOKIE['APP_ENV'];
+        unset($_COOKIE['APP_ENV']);
+    }
+    if (isset($_COOKIE['APP_DEBUG'])) {
+        $_ENV['APP_DEBUG'] = $_SERVER['APP_DEBUG'] = (bool) $_COOKIE['APP_DEBUG'];
+        unset($_COOKIE['APP_DEBUG']);
+    }
+    if (isset($_COOKIE['SYMFONY_HTTP_CACHE'])) {
+        $_ENV['SYMFONY_HTTP_CACHE'] = $_SERVER['SYMFONY_HTTP_CACHE'] = (bool) $_COOKIE['SYMFONY_HTTP_CACHE'];
+        unset($_COOKIE['SYMFONY_HTTP_CACHE']);
+    }
+}
+
 require dirname(__DIR__).'/config/bootstrap.php';
 
 if ($_SERVER['APP_DEBUG']) {
@@ -22,6 +38,12 @@
 
 $kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
 $request = Request::createFromGlobals();
+
+if ($_SERVER['SYMFONY_HTTP_CACHE'] ?? $_ENV['SYMFONY_HTTP_CACHE'] ?? false) {
+    class AppCache extends HttpCache {}
+    $kernel = new AppCache($kernel);
+}
+
 $response = $kernel->handle($request);
 $response->send();
 $kernel->terminate($request, $response);