From 0df7a3d6160fbd9f37cc0ca2d8408590901ba757 Mon Sep 17 00:00:00 2001
From: toyomoyo <toyomoyo>
Date: Mon, 11 Dec 2006 05:30:25 +0000
Subject: [PATCH] removed warning

---
 mod/assignment/lib.php | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mod/assignment/lib.php b/mod/assignment/lib.php
index 2db66654bbf..ae3ed1277cc 100644
--- a/mod/assignment/lib.php
+++ b/mod/assignment/lib.php
@@ -2417,10 +2417,11 @@ function assignment_print_overview($courses, &$htmlarray) {
             
             // count how many people can submit
             $submissions = 0; // init
-            $students = get_users_by_capability($context, 'mod/assignment:submit');
-            foreach ($students as $student) {
-                if (get_record('assignment_submissions', 'assignment', $assignment->id, 'userid', $student->id)) {
-                    $submissions++;  
+            if ($students = get_users_by_capability($context, 'mod/assignment:submit')) {
+                foreach ($students as $student) {
+                    if (get_record('assignment_submissions', 'assignment', $assignment->id, 'userid', $student->id)) {
+                        $submissions++;  
+                    }
                 }
             }