From 3932058f1b561f6a9a7609e6e3c69be797f8b28a Mon Sep 17 00:00:00 2001
From: Sylvain Beissier <sylvain.beissier@mezcalito.fr>
Date: Fri, 2 Apr 2021 09:47:49 +0200
Subject: [PATCH] #32: Do not delete buffer when stack is empty

---
 Source/Response/Response.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/Response/Response.php b/Source/Response/Response.php
index 432f225..1f01e23 100644
--- a/Source/Response/Response.php
+++ b/Source/Response/Response.php
@@ -749,7 +749,9 @@ public function getHash(): ?string
      */
     public function __destruct()
     {
-        $last = current(self::$_stack);
+        if (false === $last = current(self::$_stack)) {
+            return;
+        }
 
         if ($this->getHash() != $last[0]) {
             return;