Prevent a warning that would appear when modifying privileges of an empty group.

1 files changed, 6 insertions, 4 deletions

diff --git a/usr/local/www/system_groupmanager_addprivs.php b/usr/local/www/system_groupmanager_addprivs.php
index 63642b6..104d562 100644
--- a/usr/local/www/system_groupmanager_addprivs.php
+++ b/usr/local/www/system_groupmanager_addprivs.php
@@ -96,10 +96,12 @@ if ($_POST) {
 		else
 			$a_group['priv'] = array_merge($a_group['priv'], $pconfig['sysprivs']);
 
-		foreach ($a_group['member'] as $uid) {
-			$user = getUserEntryByUID($uid);
-			if ($user)
-				local_user_set($user);
+		if (is_array($a_group['member'])) {
+			foreach ($a_group['member'] as $uid) {
+				$user = getUserEntryByUID($uid);
+				if ($user)
+					local_user_set($user);
+			}
 		}
 
 		admin_groups_sort();