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Needing to install apps from source (meaning downloading the raw source code and compiling it) is rare, but it happens. The obvious benefit is that if you have the source code, you can make changes to it.

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While PHP 4 may be obsolete nowadays, it’s sometimes difficult to pick a server configuration that will work with a large number of diverse sites. Luckily, cPanel makes it easy for the server administrator to install both PHP 4 and PHP 5 on the same server, and allow users to pick between.

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In order to more efficiently process HTTP requests for content, output buffering stores the content as a variety and delivers it in one output. By implementing PHP buffering, you can render HTML in a single request so you can avoid header modification errors and improve the efficiency of data transfer on your server.

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If you advertise an email address on a website, sooner or later it will be trawled by so-called spam bots which harvest email addresses for the purposes of selling them to organisations that create spam. There are several ways round this problem, some are more effective than others and none are foolproof.

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PHP safe_mode is very important to web administrators as it can help prevent dangerous scripts running that can jeopardise the security of your web server.

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Classes collect a group of functions that are defined with an object oriented purpose. While a class can be useful to group different elements of PHP together, it is most useful when it comes to organizing code. Learn more about PHP classes.

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Smarty templates power the front end on a wide variety of sites, including some of the most well known sites on the web. As an open source standard, it offers all of the flexibility of standard HTML design with nested templates that make it easier to implement updates and extensions to the layout.

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