#! code

If you followed the tutorial on installing PHPDoc then you are probably wondering how to get started actually writing the documentation. PHPDoc will parse all the files given to it and look for comment blocks, it will then use these blocks to create the documentation for your application. A valid PHPDoc comment block must start with a '/**', have a '*' on every line and finish with '*/'.

It is sometimes necessary to block people from using your site, dependent on their IP address. A users IP address can be detected by PHP using the $_SERVER superglobal and the parameter REMOTE_ADDR.