From 69d51d3a81077c0c78e2b8d9a56c8d6f146e8939 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Sat, 13 Dec 2003 06:27:25 +0000
Subject: [PATCH] Prevent funny-looking text when trying to highlight a null
 string

---
 lib/weblib.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/weblib.php b/lib/weblib.php
index d024e81924..1530c19f27 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -717,6 +717,10 @@ function highlight($needle, $haystack, $case=0,
 /// this function after performing any conversions to HTML.
 /// Function found here: http://forums.devshed.com/t67822/scdaa2d1c3d4bacb4671d075ad41f0854.html
 
+    if (empty($needle)) {
+        return $haystack;
+    }
+
     $list_of_words = eregi_replace("[^-a-zA-Z0-9&']", " ", $needle);
     $list_array = explode(" ", $list_of_words);
     for ($i=0; $i<sizeof($list_array); $i++) {
-- 
2.39.5