ISBN Rule
Validate International Standard Book Number
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Open Source MIT License
You are viewing the documentation for Intervention Validation Version 3. This version has reached end of life (EOL).
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Please consider upgrading to version Version 4.
public Intervention\Validation\Rules\Isbn::__construct(?int $length = null)
The field under validation must be a valid International Standard Book Number (ISBN).
Parameters
length (optional)
Optional length parameter as integer to check only for ISBN-10 or ISBN-13.
Example
use Intervention\Validation\Rules\Isbn;
$validator = Validator::make($request->all(), [
'attribute-key' => new Isbn(10),
]);