Avoid some exceptions when running in non CLI context

thephpleague · Jan 22, 2022 · 643a560 · 643a560
1 parent 5c717c3
commit 643a560
Showing 1 changed file with 15 additions and 11 deletions.
diff --git a/src/Util/System/Linux.php b/src/Util/System/Linux.php
@@ -86,19 +86,23 @@ protected function systemHasAnsiSupport()
         if ('Hyper' === getenv('TERM_PROGRAM')) {
             return true;
         }
-
-        $stream = STDOUT;
-
-        if (function_exists('stream_isatty')) {
-            return @stream_isatty($stream);
-        }
 
-        if (function_exists('posix_isatty')) {
-            return @posix_isatty($stream);
+        if (defined(STDOUT)) {
+            $stream = STDOUT;
+
+            if (function_exists('stream_isatty')) {
+                return @stream_isatty($stream);
+            }
+
+            if (function_exists('posix_isatty')) {
+                return @posix_isatty($stream);
+            }
+
+            $stat = @fstat($stream);
+            // Check if formatted mode is S_IFCHR
+            return $stat && 0020000 === ($stat['mode'] & 0170000);
         }
 
-        $stat = @fstat($stream);
-        // Check if formatted mode is S_IFCHR
-        return $stat ? 0020000 === ($stat['mode'] & 0170000) : false;
+        return false;
     }
 }