New Member: PHP 4 bug?

Hi all, I have no idea how big this list is, or it's technical level, but as I have a question I thought it would be nice to start introducing myself. Having a technical background, I do some web development, and recently started using php to automate some of the web tasks. I do have a small LinuxPPC machine at home to do the development, and we do support several websites at our production webserver (Redhat Linux) for a few clients. At the server we have PHP 4.0.1 pl2, at the development server I do have PHP 3.0.12. I developed a small program that works fine at the development server, but not at the production server. Specifically the statement: ereg_replace("\W", "_", $id); seems to be not processed at all (meaning: replace all non alphanumeric characters by an underscore). Other ereg_replace calls are processed correctly on both servers. Does anybody know why PHP 3.0.12 processes this correctly and PHP 4.0.1 pl2 doesn't? Is this a bug? Thanks in advance, Ernst de Moor (the Netherlands) --- If you have a spare minute or two: http://www.creagraphy.com Als U een momentje of twee over heeft: http://www.creagraphy.nl