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<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Protocol\Text;
use Predis\Command\CommandInterface;
use Predis\Protocol\RequestSerializerInterface;
/**
* Request serializer for the standard Redis wire protocol.
*
* @link http://redis.io/topics/protocol
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class RequestSerializer implements RequestSerializerInterface
{
/**
* {@inheritdoc}
*/
public function serialize(CommandInterface $command)
{
$commandID = $command->getId();
$arguments = $command->getArguments();
$cmdlen = strlen($commandID);
$reqlen = count($arguments) + 1;
$buffer = "*{$reqlen}\r\n\${$cmdlen}\r\n{$commandID}\r\n";
foreach ($arguments as $argument) {
$arglen = strlen($argument);
$buffer .= "\${$arglen}\r\n{$argument}\r\n";
}
return $buffer;
}
}