Form Validation validating blank values with min_length and valid_email rules

Hi, thanks for reply.

Ok. But I do not want that this fields be "always required".

I have other method, with a db insert, where I'm using the require rule to force the user send the required fields.

But on the update method, I need to update only the data received. If the user send only the email, then I need to validate only it, if sent only the username then only it. Or both if both is received. But on the update I can't force the user send all the fields.

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