From 7baf65938a92d23cd36c447cb9c706e6b51b04f4 Mon Sep 17 00:00:00 2001
From: Graham Campbell <GrahamCampbell@users.noreply.github.com>
Date: Sun, 29 Dec 2019 14:34:04 +0000
Subject: [PATCH] Robust getStreamSize

---
 src/Util.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Util.php b/src/Util.php
index 9de37775f..c1e9fc395 100644
--- a/src/Util.php
+++ b/src/Util.php
@@ -273,6 +273,10 @@ public static function getStreamSize($resource)
     {
         $stat = fstat($resource);
 
+        if ( ! is_array($stat) || ! isset($stat['size'])) {
+            throw new RuntimeException('Cannot stat resource. Remote files are not supported.');
+        }
+
         return $stat['size'];
     }