Introduction to Debugging and Error Checking your PHP Applications

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.

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