Confusing Validation vs. Application Rules in CakePHP3
问题 Multiple questions about validation which may belong together, because they are all kind of adressing the new validation concept in CakePHP 3. I have read the chapters (1, 2, 3) in the cookbook multiple times but honestly I don't understand how to do it the right way. I also know there is currently a issue/discussion at GitHub about the Validation in CakePHP3 which may address the same topic. Validation errors are triggered e.g. with patchEntity. So I would think it is better to ALWAYS check