Join Char Strings

Again, looking in PHP.net for help - unable to proceed. I'm trying to add a variable string, to another literal string and store it in that variable again. I know it can be done, simply. However, I always get "0" when I add them... $rider_name += "<br>"; I want to take the information from my form, add some html, put in an array - then write it to a file that looks good for printing. How can I make a long string of HTML and then write in a variable, then continue adding to my HTML string...like this: $html_page_string = "<html><head><title>" + $page_title + "</title></head><body>"; etc...And then later add to it after I've inserted my other variables and HTML code: $html_page_string += "</body></html>"; I think this can be done in JavaScript but ah....Can it in PHP? Thanks a ba jillion. Stephen Rivas Jr stephen@throttlehead.com http://www.throttlehead.com