Quittio\Core\Validation\Plausibility
quittio/core#
Quittio\Core\Validation\Plausibility
IbanIBAN check digit validation (ISO 13616, mod 97-10) without extensions.VatIdFormatFormat of VAT identification numbers by country prefix (structure only, no check digits).VatIdVerificationResult of an online VAT identifier check. $valid is null if no statement is possible: the service was not reachable or answered with an error, or it does not cover the identifier ($supported = false).VatIdVerifierinterfaceOnline check of VAT identifiers (e.g. EU VIES). Implementations must never throw because a service is unavailable; they return a result with $valid = null instead.ViesVerifierVAT identifier check via the REST interface of the EU VIES service.