From 84a9a300d453d645c45f004ef5f0ada66a210bd5 Mon Sep 17 00:00:00 2001
From: Andreas Fischer <bantu@phpbb.com>
Date: Thu, 24 Jul 2014 11:00:55 +0200
Subject: [PATCH] Do not check filename over and over again, remove '.' and
 '..' from the map instead.

---
 phpseclib/Net/SFTP.php | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/phpseclib/Net/SFTP.php b/phpseclib/Net/SFTP.php
index d7151b58..0fc586f9 100644
--- a/phpseclib/Net/SFTP.php
+++ b/phpseclib/Net/SFTP.php
@@ -1516,11 +1516,8 @@ class Net_SFTP extends Net_SSH2
             return false;
         }
 
+        unset($entries['.'], $entries['..']);
         foreach ($entries as $filename=>$props) {
-            if ($filename == '.' || $filename == '..') {
-                continue;
-            }
-
             if (!isset($props['type'])) {
                 return false;
             }
@@ -2146,11 +2143,8 @@ class Net_SFTP extends Net_SSH2
             return false;
         }
 
+        unset($entries['.'], $entries['..']);
         foreach ($entries as $filename=>$props) {
-            if ($filename == '.' || $filename == '..') {
-                continue;
-            }
-
             if (!isset($props['type'])) {
                 return false;
             }