Ajout du FR

Ajout du FR + correction du "functions.php"

vendor/symfony/http-kernel/Exception/HttpExceptionInterface.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * Interface for HTTP error exceptions.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+interface HttpExceptionInterface
+{
+    /**
+     * Returns the status code.
+     *
+     * @return int An HTTP response status code
+     */
+    public function getStatusCode();
+
+    /**
+     * Returns response headers.
+     *
+     * @return array Response headers
+     */
+    public function getHeaders();
+}