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[nycphp-talk] PHP STRING QUESTION

Ophir Prusak prusak at gmail.com
Tue Oct 19 15:44:50 EDT 2004


Woops - I read your code to fast :)
I didn't see you were doing this for multiple key words.

In any case though it would be good to use the \b word boundry
modifier so you won't be highlighting substring word matches.


On Tue, 19 Oct 2004 15:41:20 -0400, Ophir Prusak <prusak at gmail.com> wrote:
> Just curious, why are you exploding the string into an array?
> You can just do:
> 
>    function highlight($keyword, $text) {
>                 $text = preg_replace('/\b' . $keyword .
> '\b/i','<b>\\0</b>',$text);
>                 return $text;
> 
> 
>    }
> 
> On Tue, 19 Oct 2004 14:59:52 -0400, Mark Armendariz <nyphp at enobrev.com> wrote:
> > > I am able to search the word using the stristr()
> > > function in php. This function is non-case sensitive.
> > > However, I want to display the searched word in the line as highlighted in
> > a
> > > different color than the line.
> >
> > I wasn't sure if you wanted to return a line from the text (which Dan seems
> > to have taken care of pretty well) or if you just wanted to replace words
> > with formatted versions of themselves.  Here's a really basic function I use
> > to do the latter with multiple keywords (sep. by spaces):
> >
> > <?php
> >    function highlight($keywords, $text) {
> >        $keywords = trim($keywords);
> >
> >        if (strlen($keywords)) {
> >            $keywords = explode(' ', $keywords);
> >
> >            if (count($keywords)) {
> >                foreach($keywords as $keyword) {
> >                        // you could, of course use whatever html formatting
> > you want here
> >                    $text = preg_replace('/(' . $keyword . ')/i',
> > '<b>\\1</b>', $text);
> >                }
> >            }
> >        }
> >
> >        return $text;
> >    }
> > ?>
> >
> > Good Luck!
> >
> > Mark
> >
> >
> >
> > _______________________________________________
> > New York PHP Talk
> > Supporting AMP Technology (Apache/MySQL/PHP)
> > http://lists.nyphp.org/mailman/listinfo/talk
> > http://www.newyorkphp.org
> >
>



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