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<?php
/*
* This file is part of the Predis package.
*
* (c) 2009-2020 Daniele Alessandri
* (c) 2021-2025 Till Krüss
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Command\Traits\Limit;
use Predis\Command\Command;
use UnexpectedValueException;
/**
* @mixin Command
*/
trait Limit
{
private static $limitModifier = 'LIMIT';
public function setArguments(array $arguments)
{
$argumentsLength = count($arguments);
$argumentsBefore = array_slice($arguments, 0, static::$limitArgumentPositionOffset);
if (
static::$limitArgumentPositionOffset >= $argumentsLength
|| false === $arguments[static::$limitArgumentPositionOffset]
) {
parent::setArguments($argumentsBefore);
return;
}
$argument = $arguments[static::$limitArgumentPositionOffset];
$argumentsAfter = array_slice($arguments, static::$limitArgumentPositionOffset + 1);
if (true === $argument) {
parent::setArguments(array_merge($argumentsBefore, [self::$limitModifier], $argumentsAfter));
return;
}
if (!is_int($argument)) {
throw new UnexpectedValueException('Wrong limit argument type');
}
parent::setArguments(array_merge($argumentsBefore, [self::$limitModifier], [$argument], $argumentsAfter));
}
}
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