<?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\Response;
/**
* Represents a status response returned by Redis.
*/
class Status implements ResponseInterface
{
private static $OK;
private static $QUEUED;
private $payload;
/**
* @param string $payload Payload of the status response as returned by Redis.
*/
public function __construct($payload)
{
$this->payload = $payload;
}
/**
* Converts the response object to its string representation.
*
* @return string
*/
public function __toString()
{
return $this->payload;
}
/**
* Returns the payload of status response.
*
* @return string
*/
public function getPayload()
{
return $this->payload;
}
/**
* Returns an instance of a status response object.
*
* Common status responses such as OK or QUEUED are cached in order to lower
* the global memory usage especially when using pipelines.
*
* @param string $payload Status response payload.
*
* @return self
*/
public static function get($payload)
{
switch ($payload) {
case 'OK':
case 'QUEUED':
if (isset(self::$$payload)) {
return self::$$payload;
}
return self::$$payload = new self($payload);
default:
return new self($payload);
}
}
}