Code on Pastebin

Module Usage:
Set orders:
/tell bot !orders blah blah blah
/g bot !orders blah blah blah

Clear orders:
/tell bot !orders
/g bot !orders

When orders are set, a cron job is setup. When orders are cleared, the cron job is unset. I'm still fuzzy on how exactly this works, I just borrowed the method from RaidTime.php and crossed my fingers, and it worked.

There are three ways to clear orders: via tell, via pgroup, and cron.

Tell, pgroup, and cron all call the same clear_orders function when orders are cleared.

The problem:

Orders are cleared and do not get sent out when a user joins the private group when orders are cleared with a tell or via pgroup, but when orders are cleared via cron users still get an orders tell when joining the bot.

Pastebin is out of date now. Current code is isset(), but it gives me the same strange behavior.

Looks ok yeah, did you check if the orders are really empty after calling the clear_orders where it causes problems?

Yup, it was all very funky. I solved it by dropping the idea I got from RaidTime.php and just checking to see if the order set time was greater than 1. It might waste a few more CPU cycles that nobody is going to notice being wasted anyway, but it works reliably.