CLI and CGI
    In PHP 5 there were some changes in CLI and CGI filenames. In PHP 5, the
    CGI version was renamed to php-cgi.exe (previously
    php.exe) and the CLI version now sits in the main
    directory (previously cli/php.exe).
   
    In PHP 5 it was also introduced a new mode:
    php-win.exe. This is equal to the CLI version, except
    that php-win doesn't output anything and thus provides no console (no "dos
    box" appears on the screen). This behavior is similar to php-gtk.
   
    In PHP 5, the CLI version will always populate the global $argv and $argc
    variables.