From 02124b6b3b781c8ba604c92aafc33c4dfb17681e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20Vo=C5=99=C3=AD=C5=A1ek?= <mvorisek@mvorisek.cz>
Date: Wed, 1 Jul 2020 12:07:23 +0200
Subject: [PATCH] [Console] Do not check for "stty" using "exec" if that
 function is disabled

---
 src/Symfony/Component/Console/Terminal.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Symfony/Component/Console/Terminal.php b/src/Symfony/Component/Console/Terminal.php
index 43a3182627..774c5f76bd 100644
--- a/src/Symfony/Component/Console/Terminal.php
+++ b/src/Symfony/Component/Console/Terminal.php
@@ -66,6 +66,11 @@ class Terminal
             return self::$stty;
         }
 
+        // skip check if exec function is disabled
+        if (!\function_exists('exec')) {
+            return false;
+        }
+
         exec('stty 2>&1', $output, $exitcode);
 
         return self::$stty = 0 === $exitcode;