From 77d5f8da204a47ff11faefc4b86c88b5209e1bf8 Mon Sep 17 00:00:00 2001
From: splitice <mat999@gmail.com>
Date: Fri, 20 Nov 2015 07:11:43 +1100
Subject: [PATCH] Fix PHP invalid index warning

---
 phpseclib/Net/SSH2.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 1e815e0e..7cde0875 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -3880,7 +3880,11 @@ class Net_SSH2
      */
     function getLastError()
     {
-        return $this->errors[count($this->errors) - 1];
+        $count = count($this->errors);
+
+        if ($count > 0) {
+            return $this->errors[$count - 1];
+        }
     }
 
     /**