";
		echo $_SERVER['HTTP_HOST'];print_r($_SERVER);die;
		$time = time(); 
		$signer = new Sha256();
		$key = new Key('testing');
		$token = (new Builder())->issuedBy('http://example.com')//发布者的url地址
		
		->canOnlyBeUsedBy('http://example.org')//接受者的url地址
		->identifiedBy('12358', true)//该jwt的唯一ID编号
		->issuedAt($time)//该jwt的发布时间
		->canOnlyBeUsedAfter($time + 60)//该jwt的使用时间不能早于该时间
		->expiresAt($time + 3600)//该jwt销毁的时间
		->with('uid', 1)
			->set('username', 'lili')//设置一个变量
			->sign($signer, $key)//设置一个变量，同set
			->getToken();
		echo '
';
		echo $token;
		
		echo '
';
		$token->getHeaders(); // Retrieves the token headers
		$token->getClaims(); // Retrieves the token claims
		echo '
';
		echo $token->getHeader('jti'); // will print "4f1g23a12aa"
		echo '
';
		echo $token->getClaim('iss'); // will print "http://example.com"
		
		$token = (new Parser())->parse((string)'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiIsImp0aSI6IjEyMzU4In0.eyJpc3MiOiJodHRwOlwvXC9leGFtcGxlLmNvbSIsImF1ZCI6Imh0dHA6XC9cL2V4YW1wbGUub3JnIiwianRpIjoiMTIzNTgiLCJpYXQiOjE1NzQzNDk5OTYsIm5iZiI6MTU3NDM1MDA1NiwiZXhwIjoxNTc0MzUzNTk2LCJ1aWQiOjF9.6FtTHmMlqhI1BNoFJiJrmm1nXXtc5-u2tVt-A8s8IN8
');
		
		$token->getHeaders(); // Retrieves the token header
		$token->getClaims(); // Retrieves the token claims
		echo "
....
";
		echo $token->getHeader('jti'); // will print "4f1g23a12aa"
		echo '
';
		echo $token->getClaim('iss'); // will print "http://example.com"
		echo '
';
		echo $token->getClaim('uid'); // will print "1"
		echo '
';
		
		$data = new ValidationData(); // It will use the current time to validate (iat, nbf and exp)
		
		$data->setIssuer('http://example.com');
		$data->setAudience('http://example.org');
		$data->setId('12358');
		
		//先验证私钥
		var_dump($token->verify($signer, $key));
		
		//失败，因为token在60秒后方可验证
		var_dump($token->validate($data));
		
		$data->setCurrentTime($time + 61); // changing the validation time to future
		
		// true
		var_dump($token->validate($data));
		
		$data->setCurrentTime(time() + 4000);
		//false,token过期
		var_dump($token->validate($data));
		
	}
	
}