From 5fef34d7a92c412175ea93f8c3c679c5ce206a5e Mon Sep 17 00:00:00 2001
From: stronk7 <stronk7>
Date: Sat, 10 Apr 2004 22:24:23 +0000
Subject: [PATCH] Avoid one warning where $content and $list were empty.

---
 course/lib.php | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/course/lib.php b/course/lib.php
index 525c7e4fc0..d70f247825 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -1013,13 +1013,15 @@ function print_side_block($heading="", $content="", $list=NULL, $icons=NULL, $fo
         echo "$content";
     } else {
         echo "<table width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"2\">";
-        foreach ($list as $key => $string) {
-            echo "<tr bgcolor=\"$THEME->cellcontent2\">";
-            if ($icons) {
-                echo "<td class=\"sideblocklinks\" valign=\"top\" width=\"16\">".$icons[$key]."</td>";
+        if ($list) {
+            foreach ($list as $key => $string) {
+                echo "<tr bgcolor=\"$THEME->cellcontent2\">";
+                if ($icons) {
+                    echo "<td class=\"sideblocklinks\" valign=\"top\" width=\"16\">".$icons[$key]."</td>";
+                }
+                echo "<td class=\"sideblocklinks\" valign=\"top\" width=\"*\"><font size=\"-1\">$string</font></td>";
+                echo "</tr>";
             }
-            echo "<td class=\"sideblocklinks\" valign=\"top\" width=\"*\"><font size=\"-1\">$string</font></td>";
-            echo "</tr>";
         }
         if ($footer) {
             echo "<tr bgcolor=\"$THEME->cellcontent2\">";
-- 
2.39.5