Troubleshooting

This chapter deals with more concepts than actual steps and procedures to complete, so problems you might encounter will be more related to syntax than bugs. For a PHP language reference, there really is no better source than php.net. Their online guide (www.php.net/manual/en/) is great, and it contains a much more complete reference by far than the intro crash course in this chapter.

A similarly great resource for both XHTML and CSS (and many other technologies) is the W3Schools site (www.w3schools.com). Every tag is detailed with browser compatibility tables and examples, and the site has interactive test windows where you can try sample code live with changes to see how it works.