From bfeb2f6abc35309f25074410ee7eb61f59c22274 Mon Sep 17 00:00:00 2001
From: Berbe <4251220+Berbe@users.noreply.github.com>
Date: Wed, 19 Aug 2020 02:44:53 +0200
Subject: Fix: Gracefully handle empty user input in run-tests.php

Closes GH-6016.
---
 run-tests.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/run-tests.php b/run-tests.php
index af9f309bc6..8d62c83375 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -942,7 +942,7 @@ function save_or_mail_results(): void
         flush();
 
         $user_input = fgets($fp, 10);
-        $just_save_results = (strtolower($user_input[0]) == 's');
+        $just_save_results = (!empty($user_input) && strtolower($user_input[0]) === 's');
     }
 
     if ($just_save_results || !getenv('NO_INTERACTION') || TRAVIS_CI) {
-- 
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