If you select Run As: PHP Built-in Server in the Run Configuration panel, the options appear for PHP 5.4's built-in web server. This server is designed for development purposes only.
PHP Built-in Server Options
Hostname: The hostname of the PHP built-in server. Default hostname is "localhost." This field sets the hostname that the built-in server uses. You can use any hostname that points to your local machine.
Port: The port number of the PHP built-in server. Default port number is 8000. This field sets the port number that the built-in server uses. You can use any port number, but beware of port conflicts.
Routing script: Optional. A PHP file that runs when the server starts and at the beginning of every HTTP request. See this .