How best to implement a custom variable in the content creation form in D7?
Pregunta
I'm creating a sports league site.
I want to have a variable behind the scenes containing the current league standing. In a content type 'result', upon saving, I first want a field (previous standing) to be populated with this variable, and then for the variable to be updated with the new standing. But I have no idea where to even begin with this!
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