* SPDX-License-Identifier: MIT */ declare(strict_types=1); namespace Respect\Validation\Rules; use Attribute; use Respect\Validation\Message\Template; use Respect\Validation\Rules\Core\Simple; use function is_nan; use function is_numeric; #[Attribute(Attribute::TARGET_PROPERTY | Attribute::IS_REPEATABLE)] #[Template( '{{name}} must be a valid number', '{{name}} must not be a number', )] final class Number extends Simple { public function isValid(mixed $input): bool { if (!is_numeric($input)) { return false; } return !is_nan((float) $input); } }