Building your very own custom Fieldtypes in ProcessWire seems to be hard, but it actually is not, once you get the concept. In this post I'll share a simple and as minimalistic module as it can get that everybody can use as a boilerplate for his own Fieldtypes.
A Fieldtype that does not store any information in the database
A Fieldtype that stores information in the database (to be done)
Make your Fieldtype configurable
1. A Fieldtype that does not store any infor