Fix invalid argument on foreach #20

1 files changed, 5 insertions, 3 deletions

diff --git a/util.php b/util.php
index 1d6cd69..af6a159 100644
--- a/util.php
+++ b/util.php
@@ -52,9 +52,11 @@ class Util {
 		foreach ($nav as $app) {
 			$nav_tmp[$app['href']] = $app;
 		}
-		foreach ($order as $app) {
-			if (array_key_exists($app, $nav_tmp)) {
-				$result[$app] = $nav_tmp[$app];
+		if(is_array($order)) {
+			foreach ($order as $app) {
+				if (array_key_exists($app, $nav_tmp)) {
+					$result[$app] = $nav_tmp[$app];
+				}
 			}
 		}
 		foreach ($nav as $app) {