Twitter Follow / UnFollow Script (PHP)

I need a Script with the following options: - Login with Twitter - An Option to Follow User by User ID from a .txt or .csv file. - Auto UnFollow users who don't Follow Me back after 24 hours. - The Script most Detect Time when User was followed by me, if User did not Follow Back in a 24 hours period, UnFollow this User. - Unfollow user in Random Time. (from 10seconds to 60seconds). - Example: Unfollow user #1 in 10 seconds. - Example: Unfollow user #2 in 25 seconds. The Script must Auto Ping my Twitter account or Use a Cron Job to perform the Auto UnFollow Task.