Submitted by Adam » Debugging essentially means to track down an error in your code. Found a "bug" in your code? Then you need to "de-bug" it! This article will introduce you to some basic concepts such as error checking and built-in functions like var_dump() that will aid you in tracking down errors in your PHP applications. There are also many fully-fledged debugging tools for PHP that lets you set breakpoints, watch variables, and such like, but we won't be using them in this article.
