From a845a3d5e5538fc63312b7f4e2e1475e568ab30b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Mon, 29 Apr 2013 09:20:30 +0400
Subject: [PATCH] otp: display notice if GD is missing

---
 classes/pref/prefs.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/classes/pref/prefs.php b/classes/pref/prefs.php
index 8bc36720..47f47ae6 100644
--- a/classes/pref/prefs.php
+++ b/classes/pref/prefs.php
@@ -368,7 +368,7 @@ class Pref_Prefs extends Handler_Protected {
 
 				print "</form>";
 
-				} else {
+				} else if (function_exists("imagecreatefromstring")) {
 
 					print "<p>".__("You will need a compatible Authenticator to use this. Changing your password would automatically disable OTP.") . "</p>";
 
@@ -427,6 +427,10 @@ class Pref_Prefs extends Handler_Protected {
 
 					print "</form>";
 
+				} else {
+
+					print_notice(__("PHP GD functions are required for OTP support."));
+
 				}
 
 			}