PHP Is Cross-Platform

PHP Is Cross-Platform

You can use PHP with a web server computer that runs Windows, Mac OS X, Linux, Solaris, and many other versions of Unix. Plus, if you switch web server operating systems, you generally don't have to change any of your PHP programs. Just copy them from your Windows server to your Unix server, and they will still work.

While Apache is the most popular web server program used with PHP, you can also use Microsoft Internet Information Server and any other web server that supports the CGI standard. PHP also works with a large number of databases including MySQL, Oracle, Microsoft SQL Server, Sybase, and PostgreSQL. In addition, it supports the ODBC standard for database interaction.

If all the acronyms in the last paragraph freak you out, don't worry. It boils down to this: whatever system you're using, PHP probably runs on it just fine and works with whatever database you are already using.

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What's So Great About PHP?

You may be attracted to PHP because it's free, because it's easy to learn, or because your boss told you that you need to start working on a PHP project next week. Since you're going to use PHP, you need to know a little bit about what makes it special. The next time someone asks you "What's so great about PHP?", use this section as the basis for your answer.

PHP Is Free (as in Money)

You don't have to pay anyone to use PHP. Whether you run the PHP interpreter on a beat-up 10-year-old PC in your basement or in a room full of million-dollar "enterprise-class" servers, there are no licensing fees, support fees, maintenance fees, upgrade fees, or any other kind of charge.

Most Linux distributions come with PHP already installed. If yours doesn't, or you are using another operating system such as Windows, you can download PHP from

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