Chapter 1. Why PHP and MySQL?
This first chapter is an introduction to PHP, MySQL, and the interaction of the two. In it, we'll try to address some of the most common questions about these tools, such as "What are they?" and "How do they compare to similar technologies?" Most of the chapter is taken up with an enumeration of the many, many reasons to choose PHP, MySQL, or the two in tandem. If you're a techie looking for some ammunition to lob at your PHB ("Pointy-Haired Boss," for those who don't know the Dilbert cartoons) or a manager asking yourself what is this P-whatever thing your geeks keep whining to get, this chapter will provide some preliminary answers.
What Is PHP?
PHP is the web development language written by and for web developers. PHP stands for PHP: Hypertext Preprocessor. The product was originally named Personal Home Page Tools, and many people still think that's what the acronym stands for, but as it expanded in scope, a new and more appropriate (albeit GNU-ishly recursive) name was selected by community vote. PHP is currently in its sixth major rewrite, called PHP6 or just plain PHP.
PHP is a server-side scripting language, usually used to create web applications in combination with a web server, such as Apache. PHP can also be used to create command-line scripts akin to Perl or shell scripts, but such use is much less common than PHP's use as a web language.
Strictly speaking, PHP has ...
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