From 3875d43cb488066bed7e1f4b74ab204daf5744ba Mon Sep 17 00:00:00 2001
From: Jude Rosario <JudeRosario@users.noreply.github.com>
Date: Tue, 7 Nov 2017 13:48:18 +0530
Subject: [PATCH] Fix PHP 7 global variable rename

As described here http://php.net/manual/en/migration70.incompatible.php
---
 phpseclib/Net/SFTP/Stream.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/phpseclib/Net/SFTP/Stream.php b/phpseclib/Net/SFTP/Stream.php
index a944d7f0..4ec80996 100644
--- a/phpseclib/Net/SFTP/Stream.php
+++ b/phpseclib/Net/SFTP/Stream.php
@@ -197,7 +197,7 @@ class Net_SFTP_Stream
 
         if ($host[0] == '$') {
             $host = substr($host, 1);
-            global $$host;
+            global ${$host};
             if (!is_object($$host) || get_class($$host) != 'Net_SFTP') {
                 return false;
             }