ISSN Rule

Explore how to validate International Standard Serial Numbers (ISSN) with the additional validation rules of Intervention Validation for your Laravel application.

public Intervention\Validation\Rules\Issn::__construct()

Checks for a valid International Standard Serial Number (ISSN).

Parameters

none

Example

use Illuminate\Support\Facades\Validator;
use Intervention\Validation\Rules\Issn;

$validator = Validator::make($request->all(), [
    'attribute-key' => new Issn(),
]);