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Posted by John Nichel on 06/08/05 16:14
Rory Browne wrote:
> On 6/8/05, David Duong <david@forizon.org> wrote:
>
>>Sebastian wrote:
>>
>>>i'm looking for a function that can highlight certain search terms in a
>>>string. anyone have something already made that i can plugin to my
>>>exisiting code?
>>>
>>>I found a couple but they do not work very well.. some break html code
>>>if the string contains the keywords in the html.
>>>
>>>thanks.
>>
>>You can use str_replace to "highlight" the search terms.
>>
>>For example, you could use the following code for each search term (this
>>function also accepts arrays, see http://php.net/str_replace):
>>
>>str_replace ($search_term, "<b>$search_term</b>", $body_text);
>
>
> Bad idea. Very bad idea.
>
> for example ( using bold to highlight ):
> <?pseudo_code
>
> $html = "<html><body>I want to hightlight the word body in this text.
> </body></html>";
> $search = "body";
>
> $output = str_replace($search, "<b>$search</b>", $html);
> // $output == "<html><<b>body</b>>I want to hightlight the word
> <b>body</b> in this text. </<b>body</b>></html>";
>
> // see what I mean?
> ?>
Good catch Rory. A regex replace would work better here.
$search = "body";
$find = "/\b" . $search . "\b/";
preg_replace ( $find, "<b>" . $search . "</b>", $html );
--
John C. Nichel
ÜberGeek
KegWorks.com
716.856.9675
john@kegworks.com
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