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Prevent funny-looking text when trying to highlight a null string

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moodler 2003-12-13 06:27:25 +00:00
parent 6675f0141d
commit 69d51d3a81
1 changed files with 4 additions and 0 deletions
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4
lib/weblib.php
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@ -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++) {