观秀春刀2感想？

Could someone critique my PHP register/validation classes?

http://pastie.org/931617 is a link to the source code.If there is a better way to do this, let me know.

Transactions in codeigniter with multiple tables

I\'m new to transactions in general, but especially with CodeIgniter.I\'m using InnoDB and everything, but my transactions aren\'t rolling back when I want them to.Here\'s my code (slightly simplified