Normalmente, ao executar o script PHP no modo de servidor da Web, isso é exibido:
$ php -S 0.0.0.0:12345
PHP 5.6.1 Development Server started at Mon Nov 24 14:09:22 2014
Listening on http://0.0.0.0:12345
Document root is /tmp
Press Ctrl-C to...
24.11.2014 / 08:10