hpche - 3:59 pm on Feb 21, 2003 (gmt 0)
You can't do it with PHP as that is serverside, but you can do it with Javascipt. Just type 'wysiwyg textarea' or 'textarea replacement' into Google to get some scripts specifically made for people to insert into their CMS. Some are free too. I think they all require IE 5.5+ though.