composer require itwmw/engine-validate-attributes

use Itwmw\Validate\Attributes\Validator;

class UserController
{
    #[Validator(validate: UserValidate::class, scene: 'login')]
    public function login()
    {
    }

    #[Validator(validate: UserValidate::class, fields: ['user', 'pass'])]
    public function register()
    {
    }
}

use Itwmw\Validate\Attributes\ValidateAttributesFactory;
use Itwmw\Validate\Middleware\ValidateMiddlewareConfig;

ValidateMiddlewareConfig::instance()->setValidateFactory(new ValidateAttributesFactory());

$validate = (new Itwmw\Validate\Attributes\ValidateAttributesFactory())->getValidate(UserController::class, 'login');
// or
$validate = get_class_method_validator(UserController::class, 'login');

class UserInfo
{
    #[Required]
    #[ChsAlphaNum]
    #[Between(min:1, max: 10)]
    #[Message('昵称')]
    public string $nickname;

    #[Required]
    #[Email]
    #[Message(messages: [
        Email::class    => '邮箱格式错误',
        Required::class => '邮箱不能为空'
    ])]
    public string $email;

    #[Required]
    #[ArrayRule('@keyInt')]
    #[Preprocessor([0], ProcessorExecCond::WHEN_EMPTY)]
    #[Postprocessor('array_unique', ProcessorExecCond::WHEN_NOT_EMPTY, ProcessorParams::Value)]
    public array $group;

    #[StringRule]
    #[Message(name: '备注')]
    #[Preprocessor('trim', ProcessorExecCond::WHEN_NOT_EMPTY, ProcessorParams::Value)]
    #[Postprocessor('removeXss', ProcessorExecCond::WHEN_NOT_EMPTY, ProcessorParams::Value)]
    public ?string $remark = '';

    public function removeXss($value): string
    {
        // 处理xss demo，仅供展示
        $value = preg_replace('/<script.*?>.*?<\/script>/si', '', $value);
        return strip_tags($value);
    }
}

$data = validate_attribute(UserInfo::class, [
    'nickname' => 'test',
    'email'    => '123@qq.com',
    'remark'   => '<script>alert(1)</script>备注说明'
]);

print_r($data);

//UserInfo Object
//(
//    [nickname] => test
//    [email] => 123@qq.com
//    [group] => Array
//        (
//            [0] => 0
//        )
//
//    [remark] => 备注说明
//)