Whether you are new to PHP or have been working with it for a while, you have probably heard of the $_SERVER variable. PHP automatically stores some important information in the $_SERVER super global array that can be used in your scripts or to help you troubleshoot problems with your requests. If you are used to previous versions of PHP, the $_SERVER has taken the place of the $HTTP_SERVER_VARS array. In this article I will show you some of the useful attributes of the $_SERVER array so you can begin using them in your scripts.
