Multiple php.ini setups is good as long as it doesn't break security as Me.B stated, but being able to edit the vhosts file from the panel I would think is a big no-no. If you put one wrong entry or simple typo, your server is down until you can SSH in and fix it. Not a good idea there
Don't forget to post in the proper forum sections: Moved to Module section.
Don't forget to post in the proper forum sections: Moved to Module section.