ISSN Rule
Validate International Standard Serial Number
127k Downloads / Month
Open Source MIT License
127k Downloads / Month
Open Source MIT License
public Intervention\Validation\Rules\Issn::__construct()
Checks for a valid International Standard Serial Number (ISSN).
none
use Intervention\Validation\Rules\Issn; $validator = Validator::make($request->all(), [ 'attribute-key' => new Issn(), ]);