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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\Command\Redis;
use Predis\Command\Command as RedisCommand;
/**
* @see https://redis.io/commands/lcs/
*
* The LCS command implements the longest common subsequence algorithm.
*/
class LCS extends RedisCommand
{
public function getId()
{
return 'LCS';
}
public function setArguments(array $arguments)
{
if (isset($arguments[2]) && $arguments[2]) {
$arguments[2] = 'LEN';
}
if (isset($arguments[3]) && $arguments[3]) {
$arguments[3] = 'IDX';
}
if (isset($arguments[5]) && $arguments[5]) {
$arguments[5] = 'WITHMATCHLEN';
}
if (isset($arguments[4])) {
if ($arguments[4] !== 0) {
$argumentsBefore = array_slice($arguments, 0, 4);
$argumentsAfter = array_slice($arguments, 5);
$arguments = array_merge($argumentsBefore, ['MINMATCHLEN', $arguments[4]], $argumentsAfter);
} else {
$arguments[4] = false;
}
}
parent::setArguments($arguments);
$this->filterArguments();
}
public function parseResponse($data)
{
if (is_array($data)) {
return [$data[0] => $data[1], $data[2] => $data[3]];
}
return $data;
}
}
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