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47 lines
1.2 KiB
PHP
47 lines
1.2 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) 2009-2020 Daniele Alessandri
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* (c) 2021-2023 Till Krüss
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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\CompositeConnectionInterface;
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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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* @see http://redis.io/topics/protocol
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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(CompositeConnectionInterface $connection, $payload)
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{
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if (is_numeric($payload)) {
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$integer = (int) $payload;
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return $integer == $payload ? $integer : $payload;
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}
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if ($payload !== 'nil') {
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CommunicationException::handle(new ProtocolException(
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$connection, "Cannot parse '$payload' as a valid numeric response [{$connection->getParameters()}]"
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));
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}
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return;
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}
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}
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