From 75b679ff0ff4ea0d57540a154406d32a5f318c10 Mon Sep 17 00:00:00 2001
From: Vincent Langlet <vincentlanglet@hotmail.fr>
Date: Fri, 8 May 2020 00:44:55 +0200
Subject: [PATCH] :lipstick: Avoid warning

---
 TwigCS/src/Token/Tokenizer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TwigCS/src/Token/Tokenizer.php b/TwigCS/src/Token/Tokenizer.php
index 6631c79..5cd46f9 100644
--- a/TwigCS/src/Token/Tokenizer.php
+++ b/TwigCS/src/Token/Tokenizer.php
@@ -704,7 +704,7 @@ protected function lexPunctuation(): void
                 do {
                     array_pop($this->bracketsAndTernary);
                     $lastBracket = end($this->bracketsAndTernary);
-                } while ('?' === $lastBracket[0]);
+                } while (false !== $lastBracket && '?' === $lastBracket[0]);
 
                 // This is maybe the end of the variable, start again.
                 $this->lexVariable();