From 6e50c16df25e1503732e06a0b1cb7b045e47aa62 Mon Sep 17 00:00:00 2001
From: Daniil Gentili <daniil.gentili.dg@gmail.com>
Date: Mon, 24 Jul 2017 00:37:39 +0200
Subject: [PATCH] Improve logging

---
 src/danog/MadelineProto/Logger.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/danog/MadelineProto/Logger.php b/src/danog/MadelineProto/Logger.php
index 511bf4e0..658b85ee 100644
--- a/src/danog/MadelineProto/Logger.php
+++ b/src/danog/MadelineProto/Logger.php
@@ -117,7 +117,7 @@ class Logger
         self::$colors[self::ERROR] = implode(';', [self::foreground['white'], self::set['bold'], self::background['red']]);
         self::$colors[self::FATAL_ERROR] = implode(';', [self::foreground['red'], self::set['bold'], self::background['light_gray']]);
         try {
-            self::$isatty = posix_isatty(STDOUT);
+            self::$isatty = defined('STDOUT') && posix_isatty(STDOUT);
         } catch (\danog\MadelineProto\Exception $e) {
         }
     }