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<?php declare(strict_types=1);
namespace JustSteveKing\GtinPHP\Rules;
use Illuminate\Contracts\Validation\Rule;
use JustSteveKing\GtinPHP\Gtin as GtinValidator;
class Gtin implements Rule
{
protected string $message;
public function __construct()
//
}
/**
* Determine if the validation rule passes.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function passes($attribute, $value)
// GTIN is between 8 and 14 characters long
if (! GtinValidator::length($value)) {
$this->message = 'The GTIN must be between 8 and 14 characters long';
return false;
// GTIN is a number
if (! GtinValidator::integer($value)) {
$this->message = 'The GTIN must be an integer';
if (! GtinValidator::inspect($value)) {
$this->message = "The GTIN value {$value} does not pass algorithmic inspection.";
return true;
* Get the validation error message.
* @return string
public function message()
return $this->message;
JustSteveKing /
gtin-php
