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parallel/lib/Worker/Environment.php
2016-08-21 23:40:48 -05:00

37 lines
823 B
PHP

<?php declare(strict_types = 1);
namespace Amp\Concurrent\Worker;
interface Environment extends \ArrayAccess, \Countable {
/**
* @param string $key
*
* @return bool
*/
public function exists(string $key);
/**
* @param string $key
*
* @return mixed|null Returns null if the key does not exist.
*/
public function get(string $key);
/**
* @param string $key
* @param mixed $value Using null for the value deletes the key.
* @param int $ttl Number of seconds until data is automatically deleted. Use 0 for unlimited TTL.
*/
public function set(string $key, $value, int $ttl = 0);
/**
* @param string $key
*/
public function delete(string $key);
/**
* Removes all values.
*/
public function clear();
}