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https://github.com/predis/predis.git
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Daniele Alessandri
45 lines
1.1 KiB
PHP
45 lines
1.1 KiB
PHP
<?php
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/*
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* This file is part of the Predis package.
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*
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* (c) Daniele Alessandri <suppakilla@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Predis\Protocol\Text\Handler;
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use Predis\CommunicationException;
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use Predis\Connection\ComposableConnectionInterface;
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use Predis\Protocol\ProtocolException;
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/**
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* Handler for the integer response type in the standard Redis wire protocol.
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* It translates the payload an integer or NULL.
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*
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* @link http://redis.io/topics/protocol
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* @author Daniele Alessandri <suppakilla@gmail.com>
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*/
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class IntegerResponse implements ResponseHandlerInterface
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{
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/**
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* {@inheritdoc}
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*/
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public function handle(ComposableConnectionInterface $connection, $payload)
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{
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if (is_numeric($payload)) {
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return (int) $payload;
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}
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if ($payload !== 'nil') {
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CommunicationException::handle(new ProtocolException(
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$connection, "Cannot parse '$payload' as a valid numeric response."
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));
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}
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return null;
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}
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}
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