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<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Command;
/**
* @link http://redis.io/commands/zscan
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ZSetScan extends Command
{
/**
* {@inheritdoc}
*/
public function getId()
{
return 'ZSCAN';
}
/**
* {@inheritdoc}
*/
protected function filterArguments(array $arguments)
{
if (count($arguments) === 3 && is_array($arguments[2])) {
$options = $this->prepareOptions(array_pop($arguments));
$arguments = array_merge($arguments, $options);
}
return $arguments;
}
/**
* Returns a list of options and modifiers compatible with Redis.
*
* @param array $options List of options.
*
* @return array
*/
protected function prepareOptions($options)
{
$options = array_change_key_case($options, CASE_UPPER);
$normalized = array();
if (!empty($options['MATCH'])) {
$normalized[] = 'MATCH';
$normalized[] = $options['MATCH'];
}
if (!empty($options['COUNT'])) {
$normalized[] = 'COUNT';
$normalized[] = $options['COUNT'];
}
return $normalized;
}
/**
* {@inheritdoc}
*/
public function parseResponse($data)
{
if (is_array($data)) {
$members = $data[1];
$result = array();
for ($i = 0; $i < count($members); ++$i) {
$result[$members[$i]] = (float) $members[++$i];
}
$data[1] = $result;
}
return $data;
}
}