Simply put, with a few things set up on the user's end, it will remove any hassle for typing out the command in the prompt terminal window, and allow multiple copies to be created (each one possibly to launch a different Phergie configuration, like connect to a different server, or connect as a different user, etc.
@ECHO OFF
:: Set our title...
TITLE Phergie IRC Bot
:: Where is the PHP executable located?
SET PHP=
:: Where is the bot located?
SET BOT=
:: This is what server configuration file you want Phergie to load.
SET SERVER=phergie
:: Run Phergie!
"%PHP%\php\php.exe" "%BOT%\Bot.php" "%SERVER%.ini" %2 %3 %4
:: Time to go bye-bye.
:EOF
EXIT
For the line SET PHP=, you specify the location of the PHP executable on the Windows machine, using an absolute location preferably.
For the line SET BOT=, you specify the location of Phergie's Bot.php file on the Windows machine, using an absolute location preferably.
For the line SET SERVER=, you set which .ini file you want to use, without the .ini extension as it will automatically be added.