From 278db6119f8bb95ab89139103e738ab6a6dd4384 Mon Sep 17 00:00:00 2001
From: walkor <walkor@workerman.net>
Date: Tue, 13 Dec 2022 17:10:47 +0800
Subject: [PATCH] check posix_isatty callable

---
 Worker.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Worker.php b/Worker.php
index 71e6dd190..1b5a113cc 100644
--- a/Worker.php
+++ b/Worker.php
@@ -1300,7 +1300,7 @@ public static function resetStd()
             $STDOUT = \fopen(static::$stdoutFile, "a");
             $STDERR = \fopen(static::$stdoutFile, "a");
             // Fix standard output cannot redirect of PHP 8.1.8's bug
-            if (\posix_isatty(2)) {
+            if (\function_exists('posix_isatty') && \posix_isatty(2)) {
                 \ob_start(function ($string) {
                     \file_put_contents(static::$stdoutFile, $string, FILE_APPEND);
                 }, 1);