Web Development Summary 4: PHP

PHP is a general scripting language especially suited for Web development which can be embedded into HTML. It usualy runs on a web server and creates web pages based on the code. PHP is very versitile, usable on most web servers, many operating systems and platforms, and relational database managment systems. Another advantage of it is that it and it's source code are completly free.

PHP can be used to do very basic things, such as displaying a message. It also can do things far more complex, like populate the entier page from a database. While php is it's own langage, it can be mixed in with HTML using a <?php > tag. Only the things inside the php delimators gets interperated as PHP everything else is handled normaly by the html.