That can be done fairly easy by comparing the data before and after.
For example via behavior,
There are some existing ones that log the actual "change" for example to 
db: 
https://github.com/dereuromark/cakephp-tools/blob/master/Model/Behavior/LogableBehavior.php

I bet there are quite a few more out there
Just google for them

Mark



Am Freitag, 7. November 2014 18:27:24 UTC+1 schrieb glk:
>
> Hello everyone,
>
> I'm looking for some type of plugin that will let me find out in the 
> controller (during a post) whether or not the form has actually had any 
> data "changed."
>
> Thanks,
> Greg
>
>

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