Field Rules
missing
The field under validation must not be present in the input data.
missing_if:anotherfield,value,…
The field under validation must not be present if the anotherfield field is equal to any value.
missing_unless:anotherfield,value
The field under validation must not be present unless the anotherfield field is equal to any value.
missing_with:foo,bar,…
The field under validation must not be present only if any of the other specified fields are present.
missing_with_all:foo,bar,…
The field under validation must not be present only if all of the other specified fields are present.
same:field
The given field must match the field under validation.