matching strings

[strings]

Hi

I am trying to figure out if this is at all possible.

When a user searches for a certain string, it replaces the string with bold text, and I accomplished that by doing this:

PHP Code:
//$query = 'DEV'
str_replace($query, '<b>'.$query.'</b>', $results);
//return <b>DEV</b>
//doesn't return <b>Dev</b>

However, if they search for DEV, it will just bold the results that are in all caps, and I am trying for it to return anything that matches DEV, lower or upper case.

What gives??
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[valentino]

This function is pulled straight off the php.net site under the str_replace function, written by: dbergeron [at] clincab [dot] com

I used it a while go on a site for highlighting text, should be fine.

Code

<?php
function highlight($x,$var) {//$x is the string, $var is the text to be highlighted
if ($var != "") {
$xtemp = "";
$i=0;
while($i<strlen($x)){
if((($i + strlen($var)) <= strlen($x)) && (strcasecmp($var, substr($x, $i, strlen($var))) == 0)) {
//this version bolds the text. you can replace the html tags with whatever you like.
$xtemp .= "<b>" . substr($x, $i , strlen($var)) . "</b>";
$i += strlen($var);
}
else {
$xtemp .= $x{$i};
$i++;
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