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<?php
declare(strict_types=1);
namespace Yansongda\Pay\Exception;
use Throwable;
class InvalidSignException extends Exception
{
public mixed $callback;
public function __construct(
int $code = self::SIGN_ERROR,
string $message = '签名异常',
mixed $extra = null,
?Throwable $previous = null
) {
$this->callback = $extra;
parent::__construct($message, $code, $extra, $previous);
}