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<?php /* * This file is part of the Predis package. * * (c) 2009-2020 Daniele Alessandri * (c) 2021-2023 Till Krüss * * 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. * * @see http://redis.io/topics/protocol */ 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; } }