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<?php
namespace Drobotik\Eav\Validation\Constraints;
use Drobotik\Eav\Interface\ConstraintInterface;
class NotBlankConstraint implements ConstraintInterface
{
public function validate($value): ?string
if (!is_string($value) || trim($value) === '') {
return "This value cannot be blank.";
}
return null;
kuperwood /
eav
