From eb71a6da75e602fdd77ed110fc01a3a0989d12b3 Mon Sep 17 00:00:00 2001
From: Yan Hu <yan.hu@rightcapital.com>
Date: Tue, 10 May 2022 10:31:27 +0800
Subject: [PATCH] Detect if stream metadata has wrapper_type set for SFTP put()
 method

---
 phpseclib/Net/SFTP.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index a08b1b5e..4d5c4200 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -2328,7 +2328,7 @@ class Net_SFTP extends Net_SSH2
             case is_resource($data):
                 $mode = $mode & ~NET_SFTP_LOCAL_FILE;
                 $info = stream_get_meta_data($data);
-                if ($info['wrapper_type'] == 'PHP' && $info['stream_type'] == 'Input') {
+                if (isset($info['wrapper_type']) && $info['wrapper_type'] == 'PHP' && $info['stream_type'] == 'Input') {
                     $fp = fopen('php://memory', 'w+');
                     stream_copy_to_stream($data, $fp);
                     rewind($fp);