From 7805e3e6d9d1bf485f310d51c9569f74a31fbc3e Mon Sep 17 00:00:00 2001
From: Sean Harvey <halkyon@gmail.com>
Date: Wed, 28 Sep 2011 15:27:51 +1300
Subject: [PATCH] BUGFIX i18n::include_by_locale() assumes a themes directory
 always exists and causes error if that's not the case. Some projects don't
 require any themes, like pure applications.

---
 core/i18n.php | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/core/i18n.php b/core/i18n.php
index 25190b1eb..6f0f45db8 100755
--- a/core/i18n.php
+++ b/core/i18n.php
@@ -1872,13 +1872,15 @@ class i18n extends Object {
 		
 		// Load translations from themes
 		$themesBase = $base . '/themes';
-		foreach(scandir($themesBase) as $theme) {
-			if(
-				strpos($theme, SSViewer::current_theme()) === 0
-				&& file_exists($file = "$themesBase/$theme/lang/$locale.php")
-			) {				
-				if ($force_load) include($file);
-				else include_once($file);
+		if(is_dir($themesBase)) {
+			foreach(scandir($themesBase) as $theme) {
+				if(
+					strpos($theme, SSViewer::current_theme()) === 0
+					&& file_exists($file = "$themesBase/$theme/lang/$locale.php")
+				) {				
+					if ($force_load) include($file);
+					else include_once($file);
+				}
 			}
 		}